Brake Vibrations and a Surprising End

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Greasy Fingers

Greasy Fingers

Күн бұрын

Пікірлер: 263
@serpentza
@serpentza 2 жыл бұрын
If you had just thrown parts at it and replaced all four rotors this problem solving would have been delayed, perhaps forever. I’m glad you approached this issue so methodically. Great video
@GreasyFingers
@GreasyFingers 2 жыл бұрын
Unless I’d have been wise enough to know that eBay parts are 💩
@Laguna2013
@Laguna2013 2 жыл бұрын
Holy cow. That look of satisfaction on your face when you finally nailed the problem was priceless. But.... now I wonder how are we mortals ever to hope that a shop tech will run any similar to problem to ground like you did? More videos please at a 1x/wk pace minimum please :)
@GreasyFingers
@GreasyFingers 2 жыл бұрын
Thanks, mate. This business is all about experience. I wasn’t aware about two things and that sent me in the wrong direction. 1/ Rear wheel issues can feel exactly as if they were front wheel issues. 2/ When you try to find out whether your disks are okay, measure run out AND thickness.
@scottcarson9287
@scottcarson9287 2 жыл бұрын
Your vids bring a zen feeling to restoration. I'm also afflicted with the perfectionist bug. "Zen and the art of Porsche restoration"
@GreasyFingers
@GreasyFingers 2 жыл бұрын
Thanks, Scott. Yes, that’s where a big part of the motivation is coming from.
@scooter1261
@scooter1261 2 жыл бұрын
This by far the most German car channel there is and I love it 😁
@GreasyFingers
@GreasyFingers 2 жыл бұрын
There’s not much we’re really good in, but if there’s something, it’s probably cars. And humour. 😆
@SupercarSeany
@SupercarSeany 2 жыл бұрын
Your prudence in tracking down the specifics of this issue are impressive, certainly a labor of love. This is perhaps the one time my "to hell with it - I'll just replace all of the rotors and hubs" would have actually saved some time. However, certainly not as rewarding.
@GreasyFingers
@GreasyFingers 2 жыл бұрын
Thanks, mate. To be honest, a little less groping in the dark would have been nice.
@albertbalteanu1453
@albertbalteanu1453 2 жыл бұрын
Every time I watch a Greasy Fingers video I learn something new and obscure that other restoration cahnnels don't cover. Also I would love to learn more about your history in restoring cars, your shop, it's evolution and how the business is currently going. Maybe we'll see such a video in the future.
@GreasyFingers
@GreasyFingers 2 жыл бұрын
Thanks, Albert. Yes, I guess it’s time to make a film about all this.
@franky19541
@franky19541 2 жыл бұрын
Tenacity always pays 😅 It is good to see you again after so many months of absence, greasy finger !👍 François
@GreasyFingers
@GreasyFingers 2 жыл бұрын
Thanks, François. I recently worked on a Mercedes project with tight budget and schedule, so I decided not to waist any time with filming.
@EliteRock
@EliteRock 2 жыл бұрын
What a satisfying video to watch, thank you. I've never seen such a deep dive into brake (and hub/wheel-carrier) set-up on ANY car. Along with the one on geometry a few months ago, it makes one realise that very, very few cars of any substantial age are set up properly, and it's probably the reason that people are often disenchanted with their heroes when they drive them. Good to see you remind people that rubber suspension bushes are NOT bearings, I've cringed watching people bolt them up with the suspension hanging. ETA >> perhaps not something you'd want to do too often, but letting 911 owners who are thinking about paying you to set up their cars drive Walter might convince them.
@GreasyFingers
@GreasyFingers 2 жыл бұрын
Thanks a ton, mate. In fact it’s a nail chewing experience to let someone drive Walter. The kid did the other day, still having increased blood pressure.
@hanvandewal917
@hanvandewal917 2 жыл бұрын
I admire your persistence and the 'Deutsche Gründlichkeit' that you show and put in action! An admirer, freundlichen gruessen als Holland.
@GreasyFingers
@GreasyFingers 2 жыл бұрын
Thanks, Han! I wished solving the problem had required less Gründlichkeit. 😆
@moon-lit-rider987
@moon-lit-rider987 2 жыл бұрын
Wow that was some intense investigation work, you have the patience of a saint 😇 So glad you sorted it. Love this channel 🚙💨✨
@GreasyFingers
@GreasyFingers 2 жыл бұрын
Thanks, Craig. I didn’t always sound like a saint though. 😊
@hoelzken
@hoelzken 2 жыл бұрын
Great findings, cangrats to you, Johannes!
@GreasyFingers
@GreasyFingers 2 жыл бұрын
Thanks, Michael!
@ABROOKSH
@ABROOKSH 2 жыл бұрын
“Let me show you the results with a metaphor” 😄😁😆 I love everything about your work, especially the writing.
@GreasyFingers
@GreasyFingers 2 жыл бұрын
Thanks, mate. Lot of thinking goes in it and thankfully, viewers are kind enough to not point me on inevitable mistakes.
@manjit9445
@manjit9445 2 жыл бұрын
Really great to see the channel is growing nicely - it’s been a journey. Well done.
@halvardollikainen3999
@halvardollikainen3999 2 жыл бұрын
Always nice to watch your work. Replaced a few brake disks and wheel bearings om my cars, but never given the «measurements» much thougt. Learned a lot from this video of your problem solving over the last months 😀👍
@GreasyFingers
@GreasyFingers 2 жыл бұрын
Thanks, Halvard. It’s really the hopeless problems that one can grow on. (Easy to say that once the problem’s solved.)
@stevewuertz3598
@stevewuertz3598 2 жыл бұрын
EXTRAORDINARY patience, discipline and resolve here. I especially appreciate the wise words of advice on using a block of wood and a jack to preload the suspenion before tightening tp prevent early bushing failure. That's something I've read about and remembered once you brought it up but if not for your reminder, I might have overlooked this valuable suggestion. Bravo
@GreasyFingers
@GreasyFingers 2 жыл бұрын
Thanks a lot, Steve. Glad you watched though it’s not an Alfa!
@stevewuertz3598
@stevewuertz3598 2 жыл бұрын
@@GreasyFingers I always learn much from your clips. We are appreciate your work
@goofballgarage
@goofballgarage 2 жыл бұрын
Greasy Fingers is my favorite Channel … is just smooth, easy and cool …
@TheStreetBastard
@TheStreetBastard 2 жыл бұрын
I like his voice and his fine sense of humor.
@lieberfreialsgleich
@lieberfreialsgleich 2 жыл бұрын
thank you for your explanation, that any vibration can come from rear wheels. That is exactely what I learnt on our last BMW. This car always had vibrations. First, I changed the front brakes, then the rear brakes. Less vibrations, but still too much. I changed all parts off the front axle. Less vibrations, but stil too much. And then, I changed the rear tires. That was the problem!
@GreasyFingers
@GreasyFingers 2 жыл бұрын
Thanks for commenting, mate. These wheel vibrations are very annoying and very difficult to get rid of. I’d rather take a rotten sill instead …
@jameswalsh1690
@jameswalsh1690 2 жыл бұрын
Excellent film, thank you sir! I went through similar headache a few years ago on my 911SC. Spent much time and money chasing an intermittent vibration only felt during hard braking from speed. After replacing many of the 'obvious' parts like you it turned out that one of the brake flex lines was starting to deteriorate internally and was acting like a valve!
@GreasyFingers
@GreasyFingers 2 жыл бұрын
Thanks, James. Now, that sounds even more devilish than my problem!
@walterkucharski4790
@walterkucharski4790 2 жыл бұрын
I'm in the middle of a complete rebuild of my 1977 911. I will surely measure my brake components and carrier runout. Thanks so much for the in depth investigation.
@GreasyFingers
@GreasyFingers 2 жыл бұрын
Fingers crossed for your project, Walter. Unlike anybody else I love the 2.7. What colour is yours?
@laapulsford
@laapulsford 2 жыл бұрын
Wow Johannes, fixing this annoying vibration was certainly hard won. On my very first car, I suffered from a very similar vibration and it drove me crazy. After 2 years of changing everything under the sun, the culprit turned out to be a faulty tire. It seemed one or some of the internal cords had broken and this caused the tire to distort under load and speed. Congratulations on tracking down the the root cause - I am sure you were so happy.
@GreasyFingers
@GreasyFingers 2 жыл бұрын
Wow, Lester. The cross you carried sounds just like mine. And as always, in hindsight all was so plain to see!
@rodgraff1782
@rodgraff1782 2 жыл бұрын
A lot of guys ruin the wheel carriers by improper removal or installation of the bearing races. They get them in cocked. I always heated the outside and used the proper puller. On install I put the races in the freezer overnight and heated the wheel carrier. No problems . If they are cocked you will know when you try to adjust the wheel bearings. You won’t be able to get the play out with tightening down the nut so you can still move the washer with a screw driver. Once I replaced the carriers installed the bearing races the proper way. My wheel bearing adjustment problem went away. Good video.
@GreasyFingers
@GreasyFingers 2 жыл бұрын
Hi Rod. Thanks for commenting. Yes, using the thermal effects is a very elegant way to change bearings. I don’t have a freezer in my workshop, but I heated the wheel carrier to about 150 degrees Celsius to support the process. That’s about the temperature that I can handle with my welding gloves.
@johngallagher6004
@johngallagher6004 2 жыл бұрын
Love your content. Watched all to date from JG in NSW Australia.
@GreasyFingers
@GreasyFingers 2 жыл бұрын
Thanks, John. It’s so cool to have this global audience. My son, whom you can see in the film, went to school in Townsville for two terms.
@MetHerInBaghdad
@MetHerInBaghdad Жыл бұрын
I was starting to lean toward a bad tire or perhaps wheel. Glad you found the culprit and Walter is now more sorted than before.
@GreasyFingers
@GreasyFingers Жыл бұрын
Thanks, James. 😊
@laapulsford
@laapulsford 2 жыл бұрын
Sorry Johannes, I did mean to say, great production and great music. Thank you for working so hard to create world class content - a real Friday evening treat to watch..
@GreasyFingers
@GreasyFingers 2 жыл бұрын
Thanks, Lester. It’s an amazing thing for me to see how many guys out there enjoy my humble efforts.
@julianwinn4502
@julianwinn4502 2 жыл бұрын
Well, I admire your persistence. Amazing how these challenges with cars become all-consuming until solved!
@GreasyFingers
@GreasyFingers 2 жыл бұрын
Thanks, Julian! So right, all-consuming is the word.
@minimalistinlife
@minimalistinlife Жыл бұрын
I enjoyed This episode very much
@GreasyFingers
@GreasyFingers Жыл бұрын
Glad you liked it, mate.
@alastairwatson3201
@alastairwatson3201 2 жыл бұрын
I celebrate your triumph and admire your persistence!
@GreasyFingers
@GreasyFingers 2 жыл бұрын
Thanks, Alastair. It was a very annoying experience to see that all the other cars in the workshop drove so much better with brakes allegedly so much worse.
@criss323
@criss323 Жыл бұрын
I have similar problem from months on cayman S, tried so many things without solving. I feel streess and sad but now your video really inspired me to do all my best and i will find the problem! You send me so positivity and i don't know how thank you ❤ One of the best film i ever see, very emotional! You have new subscriber Thank you!
@GreasyFingers
@GreasyFingers Жыл бұрын
Hey, mate. Welcome to the channel and fingers crossed you find the problem of your car.
@oliverkoch2003
@oliverkoch2003 2 жыл бұрын
Your video is so on point showing the tasks and obstructions you have to overcome to get something into almost as new condition. I got to learn throughout the years that replacing for new often does not solve the problem, even worse, it sometimes creates new ones. And sorting those out quite often sends you one a wrong path of diagnosis, as you initially never doubt the new, just replaced, components. So you find yourself barking at the wrong tree and then spend countless hours to encircle the issue. Had that case with front drum breaks on a 62 beetle. After the third set of drums I removed the perfectly round & new Technomagnesio wheels and put the rather oval steel wheels on. Turned out, the way the wheel bolts load tension on the entity warps the drum even at a low 80Nm.
@GreasyFingers
@GreasyFingers 2 жыл бұрын
You’re hitting the nail to the head, Oliver. We went through exactly the same thing.
@chromring8561
@chromring8561 2 жыл бұрын
Großartig! Tolle Fehlersuche, deren vermeintliche Behebung und am Ende eine überraschend einfache Lösung! Jedes neue Video hat für mich erste Priorität bei YT und ist dann auch noch ein Englischtraining - Danke dafür!
@GreasyFingers
@GreasyFingers 2 жыл бұрын
Danke vielmals! Ja, es war irrsinnig herausfordernd und aufwändig, dieses Problem einzukreisen. Und jetzt muss ich vier Monate warten, bis er wieder raus darf! 😫
@markusjarvi
@markusjarvi 2 жыл бұрын
I was in a similar situation with a 1964 Volvo 1800S restoration. First measurements showed a big throw out of over 0,2 mm if I remember correctly, clearly warped rotors. At the time it seemed that the discs were not available any more for early models so I went and pressed the bolts from the hubs to remove the disc, unfortunately causing the hubs to warp with the intention of having the rotors turned. I had the hubs turned on a lathe and the discs turned on a brake lathe. Luckily at that point a supplier informed that the reproduction discs were available and on this one the hubs are integral to the discs. Brakes are totally smooth. I still have the original hubs and discs in a box, maybe one day I will test what kind of throw out can be reached.
@GreasyFingers
@GreasyFingers 2 жыл бұрын
Thanks for commenting, Markus. Based on the comments to this film you wouldn’t believe how many of us had problems of this kind. The 1800S is a glorious car. Do you still own it?
@markusjarvi
@markusjarvi 2 жыл бұрын
@@GreasyFingers Yes I do, occasionally starting it in the garage and waiting for the summer
@mikemorrison3033
@mikemorrison3033 2 жыл бұрын
Thank you for another great video Johannes! I must admit your multiple visits to the press for the rear wheel bearings gave me PTSD from work I just had to repeat three times last month on my rear suspension. Also, I hear you got a tour of my Aircooled shop when you were in Toronto...sorry I missed meeting you! Next time, Mike.
@GreasyFingers
@GreasyFingers 2 жыл бұрын
Thanks, Mike. Yes, Rob told me about it. Spare part quality is increasingly an issue. Definitely next time!
@halosenpekka1090
@halosenpekka1090 Жыл бұрын
Brilliant work! And excellent tip for any carthusiasts out there! Thanks for this sharing of good break debug.
@henryatkinson1479
@henryatkinson1479 2 жыл бұрын
Great video as always!
@GreasyFingers
@GreasyFingers 2 жыл бұрын
Thanks, Henry.
@matthewkinney5474
@matthewkinney5474 2 жыл бұрын
It seems brake disc runout and thickness variation are very important! Good video, and I love seeing the process of eliminating factors of a complex problem. It helps to know there are others who are hunting for solutions for a long time.
@GreasyFingers
@GreasyFingers 2 жыл бұрын
Thanks Matthew. I confirm there are others. 😆
@Meyersmanx1
@Meyersmanx1 2 жыл бұрын
I love your tenacity! This is my favorite channel 👍
@GreasyFingers
@GreasyFingers 2 жыл бұрын
Thanks, Brook. ☺️
@georgewcamp
@georgewcamp 2 жыл бұрын
Love the smile when you rotate the zimmerman!!
@GreasyFingers
@GreasyFingers 2 жыл бұрын
Happy moment! ☺️
@bradcrossman5068
@bradcrossman5068 2 жыл бұрын
Congrats on your success Johannes! Many years ago, turning new rotors on a brake lathe was common procedure before everyone started just installing them. It wasn't uncommon to find that even new rotors needed to be resurfaced.
@GreasyFingers
@GreasyFingers 2 жыл бұрын
Thanks, Brad. Yes, and today it’s hard to find a workshop that even owns a lathe.
@bradcrossman5068
@bradcrossman5068 2 жыл бұрын
@@GreasyFingers I may be wrong but i was told that today's rotors are sold at minimum thickness whereas when i was in the industry 40 years ago, rotors could be turned 2 or 3 times before they got to minimum thickness.
@paulnorris7270
@paulnorris7270 2 жыл бұрын
Nice work, I have a similar problem with my 1970 911, but that is vibration when driving and braking... a job for the winter. You have inspired me!
@GreasyFingers
@GreasyFingers 2 жыл бұрын
Thanks, Paul. And all the best for your project!
@StevenVanLoven
@StevenVanLoven 2 жыл бұрын
Fantastic to see ! Your persistence is an inspiration and great help . Thank you !!
@GreasyFingers
@GreasyFingers 2 жыл бұрын
Thanks, Steven. And welcome! Back to the wall kind of project with a “I want my car back” shout on the lips.
@tho4747
@tho4747 2 жыл бұрын
Es ist so schön zu segen, das mein Lieblingskanal wieder zurück ist. Wenn Sie jemals in Norwegen sind, serviere ich Ihnen kalte norwegishe bier. Ich hoffe das Sie mir entschuldigen kan, für meine schlechte Deusch kanst.
@GreasyFingers
@GreasyFingers 2 жыл бұрын
Es ist so schön (in perfektem Deutsch) zu lesen, dass Greasy Fingers jemandens Lieblingskanal ist!
@Cento24
@Cento24 2 жыл бұрын
Some serious attention to detail and diagnosis. Congrats on another great video!
@GreasyFingers
@GreasyFingers 2 жыл бұрын
Thanks, mate!
@chrismadge7292
@chrismadge7292 2 жыл бұрын
Super video, I’m loving your almost obsessional attention to detail.😊
@GreasyFingers
@GreasyFingers 2 жыл бұрын
Thanks, Chris. What you mean „almost“? 😆
@kiwihame
@kiwihame 2 жыл бұрын
Such an engineeringly excellent, amuzing and ultimately satisfying episode. I yearn for one of these cars but even with NZ$100,000+ to spend on a 911 3.2 Coupe, I'm starting to come to terms with not ever being able to afford a good one. They're stupid money in New Zealand, the UK cars are rusty and all the 911s in Japan are LHD. So I may just have to live vicariously through your excellent channel.
@GreasyFingers
@GreasyFingers 2 жыл бұрын
Thanks, mate! I find the 60k€ (100kNZ$) class of cars difficult to buy, as people normally overestimate the quality of their cars. The 80+ league is easy, because for that amount of money, simply everything needs to be very very good. If had to buy a car, I’d go for a 40k one. Please also note: the SC model is much more fun than people think.
@kiwihame
@kiwihame 2 жыл бұрын
@@GreasyFingers Thanks Johannes, I really appreciate the advice. =)
@RichieRich845
@RichieRich845 Жыл бұрын
Well done👍
@azare4155
@azare4155 2 жыл бұрын
another great post from @GreasyFingers... #Legend
@GreasyFingers
@GreasyFingers 2 жыл бұрын
I’m certainly not a legend, but I love the film „I am Legend“. Kept me from sleeping for about two years.
@gearhead9828
@gearhead9828 2 жыл бұрын
Your perfectionism is mind blowing! How is Olivia doing, by the way? Thanks!
@mikesage9544
@mikesage9544 2 жыл бұрын
Perfection? Hmmmm. Its a matter of finding the cause. And the work plus the thought required to do so. Tenacious I would call Mr Fingers. A bloody fine engineer.
@GreasyFingers
@GreasyFingers 2 жыл бұрын
It’s kind of true what Mike says. I like being perfectionistic with nothing immediately on stake. Different game with the back to the wall. Thanks for commenting, guys!
@robertallen5210
@robertallen5210 2 жыл бұрын
Persistence pays off!
@GreasyFingers
@GreasyFingers 2 жыл бұрын
Yeap!
@cybersurfer2010
@cybersurfer2010 2 жыл бұрын
Great video… Nice work and good result! Enjoy driving Walter…
@GreasyFingers
@GreasyFingers 2 жыл бұрын
Thanks, mate!
@RleogPhotog
@RleogPhotog 2 жыл бұрын
Amazing tenacity shown while tracking down that left rear rotor source of the vibration. Thanks for documenting the steps thoroughly. Not only do I learn more about my Carrera, mechanically, but I also notice how well you’ve edited the video. There was a brief glimpse of the next main character; a SC?
@GreasyFingers
@GreasyFingers 2 жыл бұрын
Thanks, Bob. The SC is a customer car, I have done some footage, but I’m not sure I can make a proper GF-film of it.
@raisingjunior6389
@raisingjunior6389 2 жыл бұрын
Great video as always, this will save many Diy mechanics a lot of time, Well done!
@GreasyFingers
@GreasyFingers 2 жыл бұрын
Thanks, Geoffrey. 😊
@Mrelectric423
@Mrelectric423 2 жыл бұрын
The on the car brake lathe can address this issue. As an auto mechanic I enjoy using the machine and getting near perfect brake run out measurements.
@GreasyFingers
@GreasyFingers 2 жыл бұрын
Yeah, that would have helped A LOT with the front wheel part of the project. I’m sure you’re aware the brand Hunger is leading in this domain. They’re located in Kaufering which is around the corner from my workshop’s location. The point is, you see: if you’re trying to be a serious KZbinr, you can’t just go to the workshop next door and let them solve the problem.
@Mrelectric423
@Mrelectric423 2 жыл бұрын
@@GreasyFingers Good point and great channel, I really enjoy your stories.
@vellafiretv2173
@vellafiretv2173 2 жыл бұрын
I have an on the car brake lathe that I spent a lot of money on 30 years ago and I find it's great for resurfacing but it seems to amplify not remove any existing runout. :-(. Now for my daily drivers (not performance cars) I just buy very cheap rotors for most pad changes and it's always worked out so far.
@annoodannoo1032
@annoodannoo1032 2 жыл бұрын
Learned new things again - thank you!
@GreasyFingers
@GreasyFingers 2 жыл бұрын
Welcome! 😊
@gintonicmunich
@gintonicmunich 2 жыл бұрын
well done 🙌
@GreasyFingers
@GreasyFingers 2 жыл бұрын
Thanks, mate!
@neilbardsley
@neilbardsley 2 жыл бұрын
Well done. I wish my garage have a lift and all those tools :)
@GreasyFingers
@GreasyFingers 2 жыл бұрын
Thanks, Neil. The lift is a blessing!
@geoffmcconville5792
@geoffmcconville5792 2 жыл бұрын
Well done! Time for a well earned beer! “Failure is not an option, work the problem” Apollo 13
@GreasyFingers
@GreasyFingers 2 жыл бұрын
Thanks, Geoff. I think I shall obey to that suggestion. ☺️
@seancain7305
@seancain7305 2 жыл бұрын
Congrats !
@GreasyFingers
@GreasyFingers 2 жыл бұрын
Thanks, Sean.
@brynowen9922
@brynowen9922 2 жыл бұрын
well done for sticking with it. i'd probably have sold the car after the first year! :-)
@GreasyFingers
@GreasyFingers 2 жыл бұрын
Thanks, Bryn. Solving this problem at some point became indispensable. Sort of a duty.
@jhonatesc
@jhonatesc 2 жыл бұрын
Great episode it help me a lot with my Porsches
@GreasyFingers
@GreasyFingers 2 жыл бұрын
Glad it helps, mate!
@butziporsche8646
@butziporsche8646 2 жыл бұрын
I really love both of my 911SCs. I just gave my Targa to my son. Now I'm buying a 914 and I'm going to swap in a 911S engine and lighten it.
@GreasyFingers
@GreasyFingers 2 жыл бұрын
Very cool. The SC are widely underestimated, torquey punch and revvy at the same time. Especially the 204 BHP version is a fantastic engine.
@diycarmechanic587
@diycarmechanic587 2 жыл бұрын
at 6.38: please search on line how to proper apply grease to a wheel bearing ... putting some grease on the external face is not enought .. and... greetings for your videos ... they are superb!!!
@GreasyFingers
@GreasyFingers 2 жыл бұрын
Hey mate. Thanks! Just because I didn’t show it in the film, doesn’t mean that I haven’t filled it with grease, does it?
@diycarmechanic587
@diycarmechanic587 2 жыл бұрын
@@GreasyFingers Hi there! a part from the grease you put inside the hub I am thinking about packing the bearing in the proper way: mechanics are used to put a slab of grease in the palm of the hand and pressing on it the bearing in each point till you see the grease escaping on the opposite side.. in this way you are sure of greasing properly all rollers... avoiding they overheat... In my opinion it could be nice to show also this detail.. Anyway.. superb videos and good spirit 😊😊
@tritop
@tritop 2 жыл бұрын
'Six tenth of a Millimeter, it's unbelievable' :)
@GreasyFingers
@GreasyFingers 2 жыл бұрын
It’s a lot!
@rodkubis384
@rodkubis384 2 жыл бұрын
As an one in Engineering specifically in measuring brake rotors I was going to say thickness variation is a HUGE part in pedal vibration. All manufactures demand less than .01mm. Jeep in the early 2000's had to change caliper manufactures because the rubber seals in the pistons didn't pull the pad back off the rotors far enough when releasing the brakes. The pad then wore the "high" side of the rotor and the thickness variation caused pedal vibration...
@GreasyFingers
@GreasyFingers 2 жыл бұрын
Thanks for commenting! My point was: a thickness variation can sure be caused by other components having a failure like callipers, wheel carrier etc. But given the process of manufacturing it’s hard to imagine that you get a new disk with a thickness variation. Or am I mistaken?
@rodkubis384
@rodkubis384 2 жыл бұрын
@@GreasyFingers All manufactures now machine both sides of the rotor in a single setup. Therefore there sould be almost zero thickness variation. As well the tolerance limit is 10 microns (.01mm). Bad heat treatment(cooling from casting process) CAN leave hard spots that will do it and cheap aftermarket may not do both side in the same machining, but from factory (all, including north amercan manufactures) measure 100% of the rotor including runout and thickness variation.
@GreasyFingers
@GreasyFingers 2 жыл бұрын
@@rodkubis384 That’s extremely valuable information. It confirms my suspicion that sloppy transport has caused the problem of my front disks.
@barryaqui9053
@barryaqui9053 2 жыл бұрын
Love your channel, and wait for more , just wanted to know, why you don't use impact tools?
@GreasyFingers
@GreasyFingers 2 жыл бұрын
Thanks, Barry. I have a battery impact tool which I use for wheel bolts. The reason why I don’t use it more: this work is contemplation for me and I’m annoyed by the sound.
@jimgordon3274
@jimgordon3274 2 жыл бұрын
Not that it matters much, because of the content of all of your films is so good, but I love your choice of music. I started watching for the Giulia. I mow enjoy the Porsche ones as well.
@GreasyFingers
@GreasyFingers 2 жыл бұрын
Thanks, Jim. Much appreciated. It’s one of the things I love most about making films: selecting the song for it.
@macwiz1333
@macwiz1333 2 жыл бұрын
Great work and as always a pleasure to watch 👌 Rear disc manufacturer Zimmermann as well?
@GreasyFingers
@GreasyFingers 2 жыл бұрын
Thanks, mate. Yes, also Zimmermann.
@nicholas787nicholas
@nicholas787nicholas 2 жыл бұрын
Loved the video! Time to look at the rest of your productions! You don’t find the need to pack the bearings completely with grease?
@GreasyFingers
@GreasyFingers 2 жыл бұрын
Thank you, Nic & welcome. I did pack the bearings with grease, just didn’t show it in the film.
@jesse818
@jesse818 Жыл бұрын
That’s for sharing your video. Where is the front jack point to lift the car?
@GreasyFingers
@GreasyFingers Жыл бұрын
Welcome! It’s not exactly a jack point, but if you protect it with a piece of wood or rubber, you can use the front cross member to lift her.
@mrman17
@mrman17 Жыл бұрын
This (variation of thickness, or "ditches") in brake discs/rotors is something I've come across in the past. It can happen when the discs get overheated, and the brakes are held on while the discs cool off. Perhaps the car was tracked, and the driver didn't do a cool-down lap, for example, and sat for a while with the brakes applied. Many moons ago, there was an anti-theft device that would go between the steering wheel and the brake pedal, making the car immobile. These would cause the same problem on some cars if it was fitted, and the brakes were still hot. Or even if the car was driven with a seized calliper.
@GreasyFingers
@GreasyFingers Жыл бұрын
Thanks for commenting, mate. Yes, all good points that make a lot of sense. In my case, a misaligned rear wheel carrier destroyed the disks. I'm mentioning it towards the end of the film, but admittedly not very clearly.
@garagechronicles9008
@garagechronicles9008 2 жыл бұрын
And I'll say again, this is why these cars are adored by engineers. Nice sleuthery.
@GreasyFingers
@GreasyFingers 2 жыл бұрын
Thanks, mate. Love the wording.
@ralleyquattro
@ralleyquattro 2 жыл бұрын
I buy Zimmerman when possible, never had an issue with quality. Glad to see Walter healthy again. How is the 944?
@GreasyFingers
@GreasyFingers 2 жыл бұрын
Good to know! Bad news about the 944 as much as the channel is concerned. Sold. 🥲
@ralleyquattro
@ralleyquattro 2 жыл бұрын
@@GreasyFingers It is OK, I had a 944 Turbo S Silver Rose and sold it for 911... so understandable.
@francois1357
@francois1357 2 жыл бұрын
@@GreasyFingers oh noooo!!
@Kyle900t
@Kyle900t 2 жыл бұрын
I enjoyed the video and happy for you that it is now solved. I was wondering if you would have been able to correct the initial disk on a lathe? Cheers.
@GreasyFingers
@GreasyFingers 2 жыл бұрын
Thanks, Kyle. Yes, I think I should do that. They deserve to be rehabilitated.
@hotrodchris805
@hotrodchris805 2 жыл бұрын
Enjoyable watch, thankyou! How do you find the Twinbusche single post lift, other than hard on the head!!??
@GreasyFingers
@GreasyFingers 2 жыл бұрын
Hi Chris. Thanks! The lift is a very good product. It allows to have unhindered access to the car from one side and you can even move around the car in the workshop when it’s on the lift. Little disadvantage: the fork builds rather high, so flat cars require attention to drive over it.
@MKI4EVA
@MKI4EVA 2 жыл бұрын
EPIC!!! friend had similar issue.
@GreasyFingers
@GreasyFingers 2 жыл бұрын
It’s very common, as I learned during this project.
@natjes6017
@natjes6017 2 жыл бұрын
Hahaha, great video as per usual, maniac channel indeed 😁
@Nick_T105
@Nick_T105 2 жыл бұрын
This was my favourite line from this video - delivered with complete sincerity.
@Roland_Rohrle
@Roland_Rohrle 2 жыл бұрын
Great video, KZbin suggested… I’ve subscribed.👍🏻😎
@GreasyFingers
@GreasyFingers 2 жыл бұрын
Welcome! 😊
@rgms573
@rgms573 2 жыл бұрын
This is what I call automotive troubleshooting!
@GreasyFingers
@GreasyFingers 2 жыл бұрын
Thanks, mate. I wished I could have found it earlier. In hindsight it took me embarrassingly long to figure it out. One is always wiser when it’s over.
@ichbinyannick
@ichbinyannick 3 ай бұрын
I had a similar problem - but after changing my wheel bearings, brakes and doing my hubs it turned out to be my rear tires being flattened out from standing for too long with little air :-)
@GreasyFingers
@GreasyFingers 3 ай бұрын
Thanks for commenting. Yeah, that’s the problem: too many things that can go wrong. ☺️
@mikesage9544
@mikesage9544 2 жыл бұрын
Should have used the title Bad Vibrations and opened the video with a really awful cover band version! Seriously though, tremendous work. I have Z discs on my driving car with pads from EBC. Over the last 2 years I have given them absolute hell. They have never shown signs of giving up on me. Inspite of LFB whilst chasing motorbikes through the forest of blackness. Lass dich blicken wenn es um aussprechen geht. I did send you my number. Servus Mike.
@GreasyFingers
@GreasyFingers 2 жыл бұрын
Looking forward, Inselaffe!
@Steph-iw3hr
@Steph-iw3hr Жыл бұрын
Relentless You are Johaness , I would like to get a guy like you close to my home to look at my 911’s. . Steph . Could you unveil a bit of your new 911 vintage 70’s ? 😊
@GreasyFingers
@GreasyFingers Жыл бұрын
Relentless and without mercy.😄 I’m counting the minutes till all customer projects have been processed to finally work on my own cars.
@Steph-iw3hr
@Steph-iw3hr Жыл бұрын
@@GreasyFingers finally , the solution was to replace rear break discs to avoid vibrations th equate gave the measurement on only one face not the red face ? thanks
@GreasyFingers
@GreasyFingers Жыл бұрын
Sort of. Bent wheel carrier, destroyed disc, but destruction was not evident by run out, but thickness fault.
@996turbo
@996turbo Жыл бұрын
Great videos! I love the ocd lol😂
@GreasyFingers
@GreasyFingers Жыл бұрын
Massive one!
@996turbo
@996turbo Жыл бұрын
@@GreasyFingers i'm far away from that level but i sure like my cars running the right way
@xXmarkingupXx
@xXmarkingupXx 2 жыл бұрын
A lot of Porsche owners seem like they started off their addiction with BMWs. Did you ever have a BMW? Will we ever see any classic BMW content from you?
@GreasyFingers
@GreasyFingers 2 жыл бұрын
My dad worked for BMW for more than 20 years, so the emotional bonds are tight. I’ll certainly do an 02 project one day, but today, it’s not even on the horizon.
@seandenny1553
@seandenny1553 2 жыл бұрын
Is that Cearah coating just a clear or is it like a paint I’ve heard the name but I don’t know what it is?
@GreasyFingers
@GreasyFingers 2 жыл бұрын
Hi Sean. In my case I used a semi-gloss clear, but it seams it’s available in many different shades. It’s a basically a paint with a high durability resulting from micro-ceramic particles.
@BenThomas-q4k
@BenThomas-q4k Жыл бұрын
I worked at Porsche cars Australia as an apprentice mechanic when your carrera was a near new car. I can tell you that the first operation we would have done in that situation was on-car disc machining. had you done this , problem would have been solved in one day , and at a fraction of what you spent. Im sorry for the loss of time and money you went through.. did you ever consider this or is it not a common operation where you are?
@GreasyFingers
@GreasyFingers Жыл бұрын
Thanks for commenting, Ben. I probably didn’t explain the crucial point properly: my problem was that a bent wheel carrier continued to distort the disk. I had changed/repaired the disks a couple of times, but the problem kept returning. I’m aware about on-car disk machining, actually the market-leading company Hunger is located around the corner from where my workshop is.
@BenThomas-q4k
@BenThomas-q4k Жыл бұрын
I see now, I forgot about that aspect, while the on car machining centres the machining around the theoretical centre, The continued bending from the hub will always be an issue. glad you found it!@@GreasyFingers
@peaktraveller
@peaktraveller 2 жыл бұрын
May you only have Good Vibrations as per the Beach Boys. Glad Walter is fixed.
@GreasyFingers
@GreasyFingers 2 жыл бұрын
I love that song, mate. Glad you remind me of playing it again …
@pathtoselfrelliance
@pathtoselfrelliance 2 жыл бұрын
Great video! So you own a classic Porsche shop, should have figured:) Whats the name of your business?
@GreasyFingers
@GreasyFingers 2 жыл бұрын
Thanks, Ola. In fact I’m not a workshop that does KZbin videos, I’m a KZbinr who sometimes does projects. No workshop site, name or branding or anything of the kind. Just helping fiends and gentle customers.
@GreasyFingers
@GreasyFingers 2 жыл бұрын
Are you Norwegian actually? Got a Norwegian customer car in the workshop this winter.
@pathtoselfrelliance
@pathtoselfrelliance 2 жыл бұрын
@@GreasyFingers Not Norwegian, I'm from neighbor country Sweden. I live in Stockholm. Johannes let me know when you wanna move to Sweden and work on Porsches all day long. I'm thinking about open a business...any day now, hopefully, perhaps, in my dreams atleast.
@GreasyFingers
@GreasyFingers 2 жыл бұрын
@@pathtoselfrelliance Thanks, Ola. In fact I know Stockholm a little, I used to own a company with a Stockholm-based partner. And another one with Lund-based partners. Got something Swedish going on here … 😊
@pathtoselfrelliance
@pathtoselfrelliance 2 жыл бұрын
@@GreasyFingers Yeah, then you dance around midsummer pole like a frog aswell I guess. (Swedish tradition if you haven't heard of it, which then will make no sence at all😅)
@annoodannoo1032
@annoodannoo1032 2 жыл бұрын
i saw you using a German product called "Dr xxxx" to encapsulate rost (you mentioned that it was recommended by a friend of yours), It gives a flexibel, paintable surface as I remember it. Now I can't find it in your videos and maybe I am a bit lazy so I just ask here: What is the name of that product?
@GreasyFingers
@GreasyFingers 2 жыл бұрын
Hey, that’s Owatrol. 😊
@annoodannoo1032
@annoodannoo1032 2 жыл бұрын
@@GreasyFingers LOL - I wonder where the "Dr thing2 came from :-) Thanks!
@FeeeshEP3
@FeeeshEP3 Жыл бұрын
Good old Walter
@GreasyFingers
@GreasyFingers Жыл бұрын
Mate, buddy, lad.
@N911GT2
@N911GT2 2 жыл бұрын
I do hope you have ‘packed’ that bearing more than just some grease on the outside.
@GreasyFingers
@GreasyFingers 2 жыл бұрын
Sure thing!
@8359s
@8359s 2 жыл бұрын
Guessing before watching, not OEM hubs and bearings.
@GreasyFingers
@GreasyFingers 2 жыл бұрын
Guessed right, Robert. The price tags are enormous.
@8359s
@8359s 2 жыл бұрын
@@GreasyFingers Got it, I just had similar problem with Audi S4 B8, went through Zimmermann drilled rotors with Yellowstuff pads, then EBC USR + Red stuff pads, then again EBC USR with Yellow stuff and new replacement hubs, they got bent right away, then with Brembo Xtra discs and pads all over and OEM hubs and bearings :D. It took 3 years to get to the bottom of the issue.
@diplomacy2000
@diplomacy2000 2 жыл бұрын
I had this problem and it was loose wheel bearings.
@GreasyFingers
@GreasyFingers 2 жыл бұрын
I had that on my list of suspects too.
@diplomacy2000
@diplomacy2000 2 жыл бұрын
@@GreasyFingers I don't doubt it. By the looks of it you're a master.
@GreasyFingers
@GreasyFingers 2 жыл бұрын
@@diplomacy2000 Trying to give my best. 😊
@gplusgplus2286
@gplusgplus2286 2 жыл бұрын
I didn't get it how this happened? New discs were like this or they became like this when you put them in the car? And this means that the front of the disc was true but the rear was crooked (thickness)?
@GreasyFingers
@GreasyFingers 2 жыл бұрын
Neither do I, but I guess the front disks were corrupted from the start, bad production batch at the manufacturer, I guess. The rear disks were okay, but the left one got beaten up by the bended wheel carrier.
@gplusgplus2286
@gplusgplus2286 2 жыл бұрын
@@GreasyFingers thanks for replying!
@Rededair
@Rededair 4 ай бұрын
Are you aware of the works of Dizzie Rascal? ....in particular "Bonkers "?
@GreasyFingers
@GreasyFingers 4 ай бұрын
Basically yes. Why are you asking?
@844metalman
@844metalman 2 жыл бұрын
Ebay parts can be risky.....
@GreasyFingers
@GreasyFingers 2 жыл бұрын
Hell, yes. I’m cured.
@francescobertelli8588
@francescobertelli8588 6 ай бұрын
this is the diary of a psychopath..
@GreasyFingers
@GreasyFingers 6 ай бұрын
Thanks, LOVE the compliment!!
@copmy
@copmy Жыл бұрын
You did not grease the bearing correctly.
@GreasyFingers
@GreasyFingers Жыл бұрын
Yes, I’m a naughty boy!
@donnelly1979
@donnelly1979 2 жыл бұрын
As a regular mechanic I would have changed the rotors first as almost 95%of brake vibration is due to rotor damage/warping
@GreasyFingers
@GreasyFingers 2 жыл бұрын
You’re quite right, mate.
@scottcrawford4148
@scottcrawford4148 7 ай бұрын
Cerakote looks unfinished - nice!
@GreasyFingers
@GreasyFingers 7 ай бұрын
Thanks, Scott. Yes, I‘m going to use it a lot more in the future.
@coolcolschannel8773
@coolcolschannel8773 2 жыл бұрын
Nice to watch whilst having a cup of tea and eating a donut ( music a touch too loud)
@GreasyFingers
@GreasyFingers 2 жыл бұрын
Glad to see you happy.
@achim489
@achim489 2 жыл бұрын
Quality never goes out of style or if you buy cheap you probably have to..... like tools
@GreasyFingers
@GreasyFingers 2 жыл бұрын
Yes, that is true. Spare part quality is an issue.
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