Dennis and the Machines

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@maulkdub 16 сағат бұрын

Nice video... I'm having no spark issues after rebuilding my ecu😢

@dennisandthemachines 16 сағат бұрын

Oh no!! Any warranty on the rebuild or did you do it yourself? Module rebuilding is something I want to get into it just seems a little daunting

@maulkdub 15 сағат бұрын

@dennisandthemachines I'm sure there is a warranty.. going to try this spark test before ruling the ecu as bad still

@dennisandthemachines 15 сағат бұрын

Not sure what you’re working on but I wanted to throw this out there just in case. For the control wire the test light only works on 2 wire coils. On a 3 or 4 wire coil I would use a lab scope to look for the signal. A multimeter might not respond fast enough to pick the signal up. I’ve never tried an LED test light on a 3 or 4 wire coil signal. It might work there but the LED would not live long absorbing the spark

@maulkdub 13 сағат бұрын

@dennisandthemachines thanks, I'm working on a 96 ls400. Crazy part is I had spark before sending off my ecu

@marclaporte3710 4 күн бұрын

You guys got that old thing to run ! Was always curious about that. Wish I was there to see it.

@marclaporte3710 4 күн бұрын

It's the simple things like this that make your job run smooth.

@dennisandthemachines 3 күн бұрын

You’re very correct

@marclaporte3710 4 күн бұрын

😢 😭

@dennisandthemachines 3 күн бұрын

It’s okay. I should be able to rescue it

@marclaporte3710 4 күн бұрын

I'm re-gripping my golf clubs before the upcoming 2025 season. I'm gonna request to keep an old one just for this. Very clever, Dennis.

@dennisandthemachines 3 күн бұрын

Vacuum hose or fuel line work too. Something fun though about using a golf grip at work

@carguyc8 11 күн бұрын

9:58 haha!

@dennisandthemachines 11 күн бұрын

One of his most underrated movies ever!!!!

@jackgalizio 13 күн бұрын

0:16 😂.

@dennisandthemachines 12 күн бұрын

Thanks bud!!!! Glad you enjoyed it 🙂

@craighenry9666 13 күн бұрын

Damn good video.

@dennisandthemachines 13 күн бұрын

Thank you!!

@terrapinflyer273 13 күн бұрын

The functionality of that backprobe attachment and the fuse tester (continuity probe? I'm bad with terminology) was awesome! There were a few times I needed a smaller probe, but didn't realize all the possible ways to check with the cheapo multimeter I have. Can you share a link or product name for the multimeter you were using? That thing is cool! Also, any good resources to learn more about multimeter usage scenarios or related electrical stuff?

@dennisandthemachines 13 күн бұрын

Thanks for watching @terrapinflyer273! If you go on Amazon and type in 'multimeter leads' a bunch of options come up at different price points. 'Multimeter backprobes' comes up with even more options on the backprobe front. Sometimes I use 'T-pins' and alligator clips. It all depends on what I'm trying to do and how much space I have to get in there. As far as resources, I just posted a video on multimeter use ;) and I'm working on another that covers advanced meter use. The owners manual that comes with your meter is usually a pretty good learning tool as well. If your meter didn't come with one look up 'Mac Tools EM721 owners manual'. That manual has a bunch of different testing methods for different types of sensors. It's the main meter I used in my video 'Multimeter Skills you NEED to Know!' It's going to be a little further out but I'm also working on some videos on how to make your own test leads and how to use a test light. Another really good resource for all things automotive diagnostics is the channel @ScannerDanner He's a teacher for automotive and has a ton of really good videos that explain basics and advanced diagnostics. He also has a textbook (Engine Performance Diagnostics) he wrote that I STRONGLY recommend. I have all of my apprentices buy it and we go through it together.

@Sevalecan 13 күн бұрын

Fair, but you know what annoys me more? Replacement connectors are difficult to find, expensive, or nonexistent in some cases. And aside from the terminals, plastic becomes more brittle with age and eventually something's gonna snap as a vehicle needs work. Terminals can be replaced, maybe your success varies based on the connector brand and series, but often terminals are more available than the connector housing itself, again depending. I really wish it wasn't that way. And they're ALL DIFFERENT because automotive connectors aren't really standardized and change make to make, model to model, year to year. Front probing is also fine if you have a small enough or correct terminal to insert and don't need it assembled for a diagnosis, but obviously you might not want to waste the time if you're only measuring it once. I'm thinking some solid core copper wire could be smushed and cut to the right size for a terminal, or if doing a lot of these it may make more sense to find the connector series (again, difficult) and order some terminals you can make probes out of. Not that it's a huge problem but I often have difficulty getting proper contact with backprobing, but if you're resistance checking it's probably less of an issue than measuring signals, because if I'm measuring signals I'm probably not going to stand there with my hand holding the probe to keep it in position while I say, start up the vehicle. Just some thoughts, enjoyed the rant.

@dennisandthemachines 13 күн бұрын

I agree with you completely. IMO no one method is 100% all the time. The state of plastic connectors as they age and deteriorate might be what pushed me to start back probing. Honestly I am happy with anyone that uses the methods that work for them and just takes their time and does the job right. I’m a big fan of loaded circuit tests. Where I’m at we see a bunch of corrosion and rodent damage is fairly common as well. I usually backprobe and use a test light or a scope, other than on 5v reference circuits that need to be unplugged for accurate reading. Resistance tests are great for locating shorts. Voltage drop testing is probably my favourite method of checking wiring integrity. I’ll also admit that I probably use a scope more than most as I mainly work on diagnostics and training apprentices. I’m glad you’ve found the methods that work best for you, and it sounds like you understand what you’re doing and the limitations associated with each method, which I think is super important. I appreciate your very detailed response, thanks for watching and keep up your good work!!!

@mikeadler434 14 күн бұрын

👍👍

@dennisandthemachines 14 күн бұрын

Thanks for watching!!

@elerileigh7926 14 күн бұрын

No, that’s incorrect, it can activate the capacitive layer with nothin but the metal end cap, same goes for batteries

@jordandyck3617 14 күн бұрын

Post a video proving it

@dennisandthemachines 14 күн бұрын

I’ll test this and post my results! Thanks for the input 🙂

@FPSG 14 күн бұрын

Nice rant. If this saves one harness, it was worth it.

@dennisandthemachines 14 күн бұрын

Very much appreciated!!

@Milkperson4life 14 күн бұрын

It also works with batterys

@dennisandthemachines 14 күн бұрын

Learn something new everyday!!! Thank you 😊

@paulschauer6273 15 күн бұрын

😂😂😂😂

@dennisandthemachines 15 күн бұрын

Insane timing how fast you got that comment up!!!

@paulschauer6273 15 күн бұрын

I can be very quick when needed then again I see Dennis losing his shit it makes me feel better about myself

@mitchlauzon7062 24 күн бұрын

You da man!!!

@dennisandthemachines 24 күн бұрын

I don’t know about that! I just like taking care of tools…..thanks for watching!!!

@murdockpt 26 күн бұрын

buy a big pack of velcro strips and learn to coil. your tool box will look great and your lady would idolize your handiness.

@dennisandthemachines 25 күн бұрын

I’m becoming a fan of those Velcro strips these days. I used to use garden wire for everything, and it works pretty well. However it definitely doesn’t have the curb appeal of the space age Velcro 🙂

@paulschauer6273 29 күн бұрын

Love the Christmas vacation clip 10/10 Dennis

@dennisandthemachines 29 күн бұрын

Thanks Paul! It felt appropriate

@NOOZY3408 Ай бұрын

Amazing explain thanks

@dennisandthemachines Ай бұрын

I’m glad you liked it. Happy I could help 🙂

@mitchlauzon7062 Ай бұрын

Very informative thanks!

@dennisandthemachines Ай бұрын

Happy to help good sir!

@RIBill Ай бұрын

Just get a plug socket with a rubber insert.

@dennisandthemachines Ай бұрын

I've got a few of them in different lengths. I just like a rubber hose or my golf grip for starting the plugs 🙂

@sloth1992 Ай бұрын

Tight is tight!!!

@dennisandthemachines Ай бұрын

😅😅 Until it's loose again 🤣🤣 Thanks for watching 😁

@BigBearBjorna Ай бұрын

Just buy a sparkplug socket, they’re cheap. Plus you can add a swivel to them if the sparkplug hole is in a congested place.

@dennisandthemachines Ай бұрын

I've spent more on spark plug sockets than I care to admit 😅 (9 piece MAC tools set). The purpose of this trick is to help prevent possible cross threading from starting the plug slightly on an angle. Experienced techs don't usually run into issues with it, so it's more of a DIYer or new to the trade type of tip.

@hyperslow556gungamer Ай бұрын

Has no-one ever thought of turning counter-clockwise until you hear the click and feel the seating? Anti-Seize then allows it to turn home.

@dennisandthemachines Ай бұрын

Lots of folks have mentioned your method in the comments. It's a good way of doing it for sure. Lots of different ways that work. Thanks for watching 🙂

@2JZDestroyer Ай бұрын

glad there are other methods.

@dennisandthemachines Ай бұрын

Thanks for watching!

@gagarin777 Ай бұрын

You can just start it by turning it counterclockwise (like you would take the plug out). This causes the plug to start sitting straight and the threads will become aligned. Then start screw it in properly.

@dennisandthemachines Ай бұрын

Absolutely that works too!

@hyperslow556gungamer Ай бұрын

@@dennisandthemachines If I ran a shop and caught mechanics feeling for threads in any other way, I would want a 200 word write up on why they chose to waste time over more efficient methods.

@dennisandthemachines Ай бұрын

Personally I wouldn't have an issue if one of my techs worked in a way that took a few extra minutes here and there to ensure the job was done mistake free. I've seen guys start plugs wrong and strip a few threads with a plug socket. I haven't seen stripped threads starting it with a piece of hose. Not saying that those guys were great techs though. I get where you're coming from. Cheers!

@edwissel7034 Ай бұрын

came here to say that another smart mechanic you deserve a cookie 🍪

@Brinkz1.8t20v Ай бұрын

*Thread* not tread 🤦🏼‍♂️🤦🏼‍♂️🤦🏼‍♂️

@dennisandthemachines Ай бұрын

🤣 I've spent too much time in the gutters of the internet. I was poking fun at the reels where the guys go full send with an impact on a poor little bolt and then say 'cross treads better than no treads'....

@keithsmith9889 Ай бұрын

Almost any old vacuum house works the same

@dennisandthemachines Ай бұрын

Absolutely!

@stiven647 Ай бұрын

i feel like a spark plug socket with an extension would work the same way no? assuming youre hand threading them, they should go in about 3/4 of the way before you ned a ratchet. youll never cross thread if you thread them in by hand first

@dennisandthemachines Ай бұрын

I believe the theory behind a vacuum hose or golf grip is that even if it cross threads, it applies so little torque to the plug that it won't damage aluminum heads. With a socket and extension some guys are strong enough that they can still damage the threads in aluminum heads even without a ratchet attached. At the end of the day skill and experience will get the job done right regardless of what tool their using. I think the golf grip/rubber hose technique is a good one for DIYers and newer apprentices. Thanks for watching 🙂

@muddman1789 Ай бұрын

Fuel line works too and most guys actually have that laying around

@dennisandthemachines Ай бұрын

Ironically I did not have fuel line handy 😂 however I'm a big fan of using what you have. Fuel line works great for this too!

@locool676 Ай бұрын

I alwaysenused vacuum line when doing the plugs on my RX7. My dad told me when i started wrenching on it at 14 that I'd ruin the engine if i didnt start the plugs by hand.

@dennisandthemachines Ай бұрын

Your dad's a smart man. Having you wrenching so young and teaching you ways of doing it to prevent problems. That's awesome, thank you for sharing!

@mrmasonry9792 Ай бұрын

I used to use a piece of fuel line. works the same way, it just fits over the tip rather than the bottom.

@dennisandthemachines Ай бұрын

Fuel line works! I've also used vacuum line, back when cars had more vacuum controls

@mrmasonry9792 Ай бұрын

@@dennisandthemachines Yeah and some of that Vacuum line was quite ridged.

@dennisandthemachines Ай бұрын

You're right about that. Brings back some memories. Mostly of trying to get hardened rubber hoses off that leaked but still somehow didn't want to come off and trying not to slice my hand open while cutting them.... Good times 😂

@mrmasonry9792 Ай бұрын

@@dennisandthemachines Not to mention how they would dry rot to the point you just had to replace the whole system, usually with fuel line LOL

@dennisandthemachines Ай бұрын

Yup!

@surge_8185 Ай бұрын

My spark plug socket works pretty well. This seems simple also

@dennisandthemachines Ай бұрын

Spark plug socket works too!

@v2vortex Ай бұрын

Nice idea...

@dennisandthemachines Ай бұрын

It’s definitely not the worst idea I’ve ever had

@v2vortex Ай бұрын

@dennisandthemachines let the haters hate.... It works for you and that's what makes it important!

@dennisandthemachines Ай бұрын

Thanks @v2vortex I really appreciate that! There's a ton of different ways to get the job done right. I like passing on the tricks the old guys in the shop showed me once upon a time 🙂

@joelfortune1662 Ай бұрын

fuel line or an old sparkplug boot.

@dennisandthemachines Ай бұрын

Fuel line works very well. I've found on some engines an old spark plug boot isn't quite long enough, but that could just be me

@muaad Ай бұрын

Why not reverse the rotation till it clicks in and prevent any cross threading all together?

@dennisandthemachines Ай бұрын

That works too! I've never had an issue using a golf grip or a piece of vacuum hose to get the spark plugs started. I have used your trick of turning it backwards till it clicks when I'm using a sparkplug socket and extension to get it started. Thanks for watching 🙂

@rustytoyota Ай бұрын

Older GM's love todo this.

@dennisandthemachines Ай бұрын

Yes they do 😅

@2011samv Ай бұрын

Don't leave the keys in the ignition

@dennisandthemachines Ай бұрын

In my experience I've found more cars that lock themselves with key out than in. However I've mostly worked in North American and Japanese stuff. I realize it may not be that way for every vehicle. I believe it also depends on location. A friend of mine from England told me over there cars default to unlock as opposed to in North America always wanting to lock. Not sure how many different cars he drove when he was over there, but it was a neat conversation.

@paulschauer6273 Ай бұрын

Love this I have had the whole lock myself out of a car fortunately it was a loaner so I’m sure you can use your imagination

@dennisandthemachines Ай бұрын

I'm guessing you bought loaner insurance and figured out a way to get back in ? 😅

@paulschauer6273 Ай бұрын

@@dennisandthemachines no the boss just reefed on the door to get the puck into unlock the door the inside door panel is all scratched to shit

@DuaneDonaldson 2 ай бұрын

Many redrawn AM diagrams dont like to label or even show connectors in the middle of the harness. Many diagrams by both do not draw all wires when there is a splice going off to another location, a simple note with an arrow would be nice to see. Hyundai/Kia are totally untrustworthy with proper wire colors. thanks mate.

@dennisandthemachines 2 ай бұрын

You’ve got some experience fixing vehicles, I agree with you 100%. One of the worst ones I’ve run into was a 2014 Chevrolet Impala with a parasitic draw that was keeping the BCM awake. There was two drastically different power distribution layouts depending on trim level. I had the draw narrowed down to two circuits, and both AM and OE diagrams showed wires in those circuits that didn’t exist on the car. I even got a friend at the dealership to send me the diagram direct from GM and it showed that same wire that didn’t exist. The customer opted not to continue with diagnostics at that point. That car still haunts me. I even offered to continue diagnostics on my own time. That one was quite curious

@DuaneDonaldson 2 ай бұрын

@@dennisandthemachines DO you remember the trim options and what system was not on this vehicle? A few details please?

@dennisandthemachines 2 ай бұрын

I’ll have a look at my documents and see if I saved the details on this one. I’ll get back to you tomorrow on it either way.

@marcussmithwick6326 2 ай бұрын

Awesome, thanks!

@dennisandthemachines 2 ай бұрын

Very happy to help 🙂

@HugeKaleb 2 ай бұрын

Good video :)

@dennisandthemachines 2 ай бұрын

Thank you!

@williamgrimes2014 2 ай бұрын

Yuuup, kinked line or blocked up nozzle

@dennisandthemachines 2 ай бұрын

In this case a very kinked line. Thanks for the comment 🙂

@1windozesuk 2 ай бұрын

What state has a licensed mechanic? EDIT: I just looked it up, Michigan and Hawaii. A few others require license for state inspections and some for emissions repairs

@dennisandthemachines 2 ай бұрын

Michigan & Ontario are where I’ve worked and gotten my terminology from. Thanks for checking out my video 🙂

@westozbandogs 2 ай бұрын

A good mechanic then

@BleedingWhiteKnuckles 2 ай бұрын

This guy doesnt know much either!!! He thought the rear washer fluid & front are related & connected to eachother, when they're completely seperate tanks, reservoirs, motors, circuits, etc.. but atleast he knows how to do maintenance which is more then most these days unfortunately.

@dennisandthemachines 2 ай бұрын

On this particular car both front and rear washer fluid pumps are located in the same reservoir. By testing the rear washers I’ve verified fluid is in the shared reservoir. Both pumps and the fluid level sensor share a ground. By operating both pumps and listening to their sound, conforming that the rear pump works, tells me it’s likely not an electrical issue. This means I’ve isolated the fault to the mechanical/hydraulic portion of the circuit. Visual inspection of the hydraulic components quickly showed me where the fault was. This entire process took about 2 minutes. Even though I hadn’t looked up the specific operation of this cars wiper system, by confirming the customer complaint I was quickly able to isolate the problem. By fixing it so quickly I was able to save my customer a diagnostic fee and really improve their day. This is the approach I take to try to help my customers out where I can. Thanks for taking the time to watch!

@roncooper1546 2 ай бұрын

@BleedingWhiteKnuckles your stoned

@HugeKaleb 2 ай бұрын

🚨🚨🚨 UH OH!! SOUND THE IDIOT ALARM BECAUSE WE FOUND HIM!!! 🚨🚨🚨 LISTEN HERE MR BLEEDINGWHITEKNUCKLES U R DUMB. I hear open to good dialogue and new opinions. Here's something new for you. You're an idiot. I kiss dumb boys like you for breakfast buddy! I wouldn't trust my car in your incapable hands, but maybe we can discuss my balls in your mouth!!! HAHAHAHAHA. You clearly know nothing about cars. Instead of making your white knuckles bloody, come make my brown ass bloody. IDIOT!!!!

@HugeKaleb 2 ай бұрын

@crazyd1377 2 ай бұрын

A broken hose or a broken plastic line! Common problem

@dennisandthemachines 2 ай бұрын

At first I figured it was probably a broken hose. Just a pinched line though, quick and easy fix.

@derekmulready1523 2 ай бұрын

The fuse is also a possibility. 🇪🇺🇮🇪

@dennisandthemachines 2 ай бұрын

@@derekmulready1523 always a good habit to check fuses. The fuses on this one were okay. I could also hear the pump running even though it wasn’t spraying. Which is usually a decent indication that the electrical portion of the system is working

@brettgraham1254 2 ай бұрын

Never take ur car to a quick lube they put crappy oil in ur vehicles and don't know what they r doin

@dennisandthemachines 2 ай бұрын

Quality of the oil is huge. A friend of mine has one of the Hyundais with a 2.5L that has a connecting rod recall. Over 250k miles on the thing. It’s had nothing but brand name synthetic oil since new and it runs great.

@Thunderbird1968 2 ай бұрын

Good advice

@dennisandthemachines 2 ай бұрын

Thank you!

@heffedirte6243 2 ай бұрын

Yeah, the weak battery probably wasn't helping the situation

@dennisandthemachines 2 ай бұрын

It definitely was not. I like these old trucks though. The rough life it’s had and the multiple things wrong with it and it still runs pretty good now that it’s got a new coil

@hang3xc1 2 ай бұрын

It boggles my mind that there are people that couldn't figure out a simple issue like this. There is a tank for the fluid, a motor to pump it, and a hose to carry it to the window. If there is fluid, and you hear the motor, it pretty much HAS to be the hose.

@dennisandthemachines 2 ай бұрын

I like your diagnostic process 🙂

@sanne3704 2 ай бұрын

Not everyone is on the same level of common sense, but thats what keeps certain professions in business hahah.

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