SCREAMING Bearings! (Full Teardown) Ford F-150 4.6 5.4

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[@tomdixon1213]

Dave’s rapid response to your request is phenomenal. What an assistant! You are blessed to have Dave.

[@Gizmo42Rodeo]

What a difference a Dave makes. I'm also a Dave

[@jimmymcclendon6210]

Sounds exactly something Dave would say.....

[@ChromaKeyMystress]

I've been laughing and giggling since the noise started. HOLY COW!!!!

[@thethirdrail8397]

I have heard louder - Back in the 90's when we had the 84 dodge caravan, a bearing went bad and you want to hear loud while on the Hiway... us 94 from MPLS mn headed west back to north dakota... heck that was louder than this! the Wheel bearing went! I think this was in 1995! we no longer have the van! Thank god for that!

[@moonflow23]

3 minutes in, and my jaw is on the floor....I've never heard a bearing that loud in my life, and I live in St. Louis, where car maintenance is fix it when something falls off.

[@ken2tou]

Yup. Sounds like the bearings are made of sandpaper. 😅

[@justin.gollnick]

im wondering if somehow the noise rapidly got to that point, of if the owner is REALLY good at drowning out expensive sounds haha

[@stanbrown5425]

270 junkyard specials

[@johnt.848]

Ray bravely drove it further down the road than I would have dared.

[@davidmollard9832]

Hey not everyone, my vehicles are very well cared for here in Arnold

[@bearing_aficionado]

Oh hell yeah! As The official bearing aficionado of this channel, I wholeheartedly endorse bearing videos!

[@realcdcruze3558]

That familiar bearing helicopter sound.

[@1crustyoldmsgtretired870]

OOF that one is a growler! I think what happened was someone replaced the pinion seal and smoked the nut on without thinking about the preload on the pinion bearings.

[@golf25radioman]

Your theory of someone putting incorrect preload/tightness on the pinion may be it. I thought there was way too much backlash, which could be related to that. A full bearing overhaul, and limited slip too if the owner approves may be the ticket. I look forward to the followup video. Thanks for another great video. 😊

[@scottreed991]

Exactly my thoughts. Preload on crush washer. Pinion bearing too loose. Peace.

[@Ronskutin]

Thumb up for Dave! He is excelent mechanic like Ray, hard working and always happy. He is keeper for sure. I salute you, sir!

[@ryancase8744]

anyone else watching the truck in drive on the lift going down secretly think "what if the lift failed and the truck went sailing through the back of the shop" that would make the highlight reel for sure. Love the knowledge and commentary from Ray!

[@tomtke7351]

I kinda agree that this test is best accomplished with another in the driver's seat.

[@MarkEdmond-gw9lz]

In

[@garyh7949]

That thought did cross my mind.

[@Jay.Kellett]

"Let's put this down." Wheels still in drive. Not a good idea I'm thinking.

[@yesyes541]

Grin and Bearing it

[@jerryc3050]

I saw what you did.

[@otissmith7057]

That proctologist snap of the glove when you had to 'go deep' for the retaining clips got me.

[@Michael-yi4mc]

Ray spinning the axle with a drill is every mechanic’s second childhood dream. Including myself!

[@shadetreemech290]

Yeah, I liked that too.

[@rickydonahue1586]

Like Sleeper Dude says you always want to check your rear end because no one else is going to do it for you!👍

[@williamsquires3070]

“It’s ‘limited slip’ only until you spill lubricant on the shop floor. Then it’s ’unlimited slip’!” 😅

[@westvideo]

Dave's new nickname will be Radar

[@abitoffcenter383]

Yeah, I have an f150 and it sounded very similar to what that one did. I took it apart and things didn't look to bad. But I could tell that at some point the pinion nut had been over tightened. You could really see it on the races. I think they were trying to compensate for an incorrect spacing between the pinion and ring gears. Since I was unsure about what all had been done to it. I just rebuilt the whole thing. I've had no worries since then. Although every once in a while I'll hear a high pitch clicking. Sounds like a U-joint to me. But the odd thing is that it just comes and goes. I can't seem to find a reoccurring situation that would making it happen. It's just completely random and goes away as quickly as it shows up. But, it is a Ford. Fix Or Repair Daily 😕🤦‍♂

[@robertsturtevant6185]

Rather fix or repair daily, before I’m found on road dead…..😂😂

[@tomtke7351]

FORD has been around a long long time... so never forget: First On Race Day.

[@stevemccauley5734]

@@tomtke7351first on race day. Last to the finish line lol. F****ing old rebuilt dodge.

[@ElitePraetorianGuard]

@@tomtke7351 First On Race Day.... More like Fucked On Race Day! Just kidding, I have no hate for Fords.

[@tc410]

That thing sounds like an air raid siren!

[@confuse3671]

1) it's a crush sleeve, not crush washer. 2) That is not a limited slip differential, that is an open diff. Those "clutch packs" are actually shims. 3) Yeah, someone over tightened the pinion. The races are probably not smooth anymore. I had one that actually cracked the race. Snap on makes special punches to get at the races - highly recommended (under the category - the right tool saves you lots of time). 4) I've never seen diff fluid look so much like water and have soap bubbles in it... That's supposed to be 90 weight??? How hot is it in Florida? New bearings should be set for 25 in-lbs drag torque. That includes the side bearings.... There is no way a diff should have fallen out like it did. Recommend you install the diff without the pinion, set the side pre-load, then install the pinion. I would also check the backlash and pattern just to be sure. Someone's been in there. Tapered bearings are supposed to have pre-load to survive. I like getting differential parts from Tom's Differentials. When Tom still owned it he gave me lots of advice on my first differential rebuild and gear swap after I messed up the first set of gears (I was too loose on the backlash). I would also recommend getting the GM gear marking compound. It is yellow, contrasts nicely with the black metal parts. Heck, by an install kit from Tom's. I think all of them are Timkin, made in USA bearings. BTW, are the side shims under the bearings? Is that a Dana? I hate Dana's for that reason alone. Give me a GM any day over a Dana. I know Dana 60s require pinion spreaders to make your life easier - but they are expensive. See OTC. BTW, before I did my own rear end work, I found offroad and 4x4 shops were the most economical way to do it. Those guys did gear swaps day in / day out and it was something like $500 / axle. Now a days, the gears alone would probably cost that. Sorry for the long response

[@gregjohnson2073]

Maybe he torqued it to 25 ft lbs.

[@robertsturtevant6185]

Okay, for a Friday I laughed too hard at the glove being put on….. 😂😂😂😂

[@seamasrigh2162]

"Hey! It's that guy." That was IMPRESSIVE.

[@johnt.848]

Wrong channel. 🤣

[@lookin424]

I have driveshaft banging with slop between forward and reverse shifts that I've isolated to the rear end as well as a high speed vibration. I need to takle this same rear. Glad to see the job before hand. I will be Closely taking pointers on the part 2 reassemble. Thanks Ray

[@bobherweg6442]

Sounds like rear universal.

[@michaelpressman7203]

​@@bobherweg6442check the universals first

[@lookin424]

@@bobherweg6442 I replaced the drive shaft it is all brand new. It did help, but the vibration is still there. New tires and freshly balanced. Alignment was checked and redone all good. With the drive shaft disconnected from the rear end there is a notable amount of play moving the pinion flange forward and backwards and all of the drive shaft play that I can feel in the shifter goes away I cannot move the drive shaft at all connected into the transmission so there is no play in the four-wheel drive or transmission once disconnected from the rear end. Last thing I need to do having done all of that is to crack open the rear end. I think I have a broken bearing race or cage in the pinion part of the rear end assembly

[@jackbowman4788]

Morning Ray- I got nervous when you were under that truck with the engine in gear ! Just me I guess !

[@1jackvalley580]

Nope, You were not the only oneJack

[@williameldridge9382]

Then you fundamentally don't understand physics.

[@kennybaumann2117]

​@@williameldridge9382Well I guess I don't fundamentally understand physics either so please explain how they are applicable in this scenario.

[@alanclarke2524]

No. Not just you, but I was more concerned as he lowered the truck towards the ground with the driving wheels still powered.

[@kennybaumann2117]

@@alanclarke2524 Me too I that's why I asked @williameldridge9382 why he responded we don't understand physics because of our concerns. He has yet to respond so must be a keyboard troll.

[@ryburnsjr]

Baseball cards in the spokes

[@Michael-yi4mc]

Poker card is better since it’s laminated

[@ChrisLincolnHomes]

"Using the whole fist there doc?"-Fletch lol

[@stevemccauley5734]

Best movie EVER

[@ralphedds1]

Once I saw the tires, I remembered the truck.

[@daveanderson2865]

Full bearing rebuild is in order if the owner is going to keep truck. Otherwise, minimum replacement.

[@wolfpreist]

may favorite use for used newish oil is drill bit lubrication

[@peterwill3699]

And used transmission oil makes a grate winter rust prevention up north.

[@therealblue42]

Perfect example of why bearings have to be tested under load. Nice work!

[@dnclark79]

Following up on a previous comment I made about Dave being quoet and that is why I like him as part of your channel. Back in the days before your own shop, there was a video where you changed a compressor on a ford van. One of your coworkers came to tell you to make sure to have the bolts in the compressor when reinstalling for the clearance. I am sure that mechanic was trying to be helpful, and social. Or at least trying to get through the day. Dave is recognizably skilled. When he helps you out, he makes sure he understands what help is needed, and doesn't try to one-up you

[@olddrummer1942]

Dave probably quiet because he can't get a word in over Ray's talking!! LOL. (Just Jokin' folks)

[@MarkWatson-xi1ry]

Limited slip? I don't see any springs or clutch plates, also there was no tag on the cover bolt to use special additive.

[@CatsMeowington]

"I need a little bit of protection for reaching deep into the rear", and upon reassembly, we recommend a tube or two of Desitin be applied to the affected area of noise, I know it works for me!

[@HarryHafsak]

The foaming oil is from the oil moving in the diff. Banks has a video for their cover and it explains it.

[@martinmurphy4852]

You have the patience of a saint and evidently the heat resistance of a camel. Maybe I am just getting older but I can't do the simplest thing with my car anymore. Within 3 minutes my clothes are soaked in sweat and shortly after that my glasses are also covered and I can't see what I am doing anyways

[@benrandomly2016]

Looking at those back tires and weirdness with the pinion bearings, I bet a kid has been out doing power brake burnouts. I use to see this a lot in the 1990s in V8 cars from the 60s, 70s, and 80s. I hope you get this job for a full rebuild.

[@DaveLee83]

holy moly there's space in the yard. Could do all sorts of activities in there now.

[@SuperBighead1973]

I’ve been a fan of the Axel Saver Bearings anytime I’ve ever had to work on a rear end. An Axel Saver is built the same as a regular bearing, except they’re wider (double thick). It allowas you to keep an axle that otherwise would have to be replaced. If you’re working on a budget, they are lifesavers.

[@petethefat2614]

I’d have to agree with you ray. The rear end in this ford is super finicky and if someone torqued it down too much it will make that sound.

[@squiggyg.8415]

I noticed I was holding my breath when he was lowering the truck 😎

[@garywalstrom2603]

I would start looking for recycling yard replacement part.

[@mivitel]

Not related to this video, but I want to mention that Ray's lines even reached The Netherlands. I had to change the light bulb on the front of my car. To remove the whole unit (thanks Volkswagen) I said to myself that I have to "popping zee hood".

[@Paramount531]

Great video! I haven't done much differential stuff, only one has ever failed me on a Pinto station wagon in the early 80s. A $75 used rear axle at the wrecking yard solved that one.

[@michaelpressman7203]

Blown up u-joints,yokes and blew a spider gear threw the rear end housing 😢

[@DanielJohnson-ec8rk]

Brave man to admit to owning a Pinto

[@DocZoidberg549]

​@@DanielJohnson-ec8rkMy first car was a sh*t green pinto wagon. It was the 70's and I was so happy to have transportation. It wasn't like today with spoiled kids that don't appreciate what they have.

[@DanielJohnson-ec8rk]

@@DocZoidberg549 when I was 17 I bought an 82 Trans am. This was about 1989. My insurance was $300 a month for bare Minimum liability. After 6 months of paying for insurance, I traded it straight across with my mom’s mechanic for an AMC Pacer. Yes, it’s true. Now that car was embarrassing but cheap and reliable

[@rjc862003]

the soft preload on the limited slip clutch sprags would be enough to prevent diff action without any load on it

[@TheJcrandazzo]

Pinion preload and mis adjusted ring to pinion gears

[@gmoffat70]

It is a very common problem. I had a 2008 that did the same. They were originally recalled. If noise just started it can be shimmed. It's just the gear alignment. Even when parts look perfect. I had to get all new rear end parts from driveshaft yolk to inner wheel bearings.

[@reaper352c5]

when you put the gloves on, the first thought that came to mind was bend over and cough. lol

[@Bfaided]

I mean he is servicing the rear end

[@peterlennon1139]

😂😂😂😂 ​@@Bfaided

[@doncnunez6231]

And both hands on the shoulders!! 🤣

[@sweezyjackson4935]

The coughing is for hernia check. Bending over is prostate. What kinda Dr you going to that wants you to cough after bending over? 😂

[@rickydonahue1586]

​@@doncnunez6231😳!🤔? 🤣🤣🤣

[@lawrencecavens5760]

I think you missed the noise - To me it sounded like the back lash was Way to Way out of adjustment and if you look closely to the ring gear at the outer tip the pinion wasn't set right and was extremely loose. Bearings don't sound like that They just growel

[@JRS-iq9pz]

Interesting. Can't wait to see the rebuild.

[@stillraven9415]

I dont know what you did but the only time o heard any difference at all was right at the diff cover

[@JonathanDeaux]

RAY! I subscribed to your channel about a month ago, been watching a ton of your vids. Today, I go to check on any new vids only to find out I was unsubscribed, had to re-subscribe. Something wonky with KZbin because I damn well didn't unsubscribe.

[@RainmanRaysRepairs]

Yea YT does that all the time. It’s really annoying

[@catherinemorgan2741]

Good Day Ray and hi to Dave

[@TimSwannell]

When you show the close up of the bearing race at 24.04 you can see it has ridges in it; the rollers falling into these grooves is what is causing the noise, essentially cogging. It could be an under hardened race or it could have been someone putting way too much preload on the bearing (its probably a combination of the both)

[@user-jn9xh5nt3t]

What a unique anti theft alarm.

[@mikelococo3254]

Just had mine replaced last month same noise. New diff and bearings all around. Worked great did complete break in procedure. 3500 miles later same whining. Going back to shop tomorrow.

[@fanofoldfans9238]

I think it's the inner pinion bearing race. just an observation. I agree rebuild the whole rear end or put a used one in it. Great troubleshooting method.

[@Papieck37]

Had the same issue 2 times with my 1988 E30 325is BMW.... Ended up doing a complete rear diff overhaul.

[@wesleyellis9451]

Opening test drive sounds like a swarm of angry drones

[@bootinnj]

thats a hard diag but of course you got this your rainman ray! cant wait to see the rebuild if customer agrees.

[@jamesmoore7106]

Hey, you can mix that with a little bit of regular drain oil and use it for chain lube on your chainsaw. I’ve been doing that for years.

[@whatwasthat3269]

Shop looks fantastic.

[@frtsnfr7504]

Friend of mine got a F-150. Came by and dropped the tailgate. I know you hate Ford but you can sit if u want He wasn’t happy when I said I hope the tailgate doesn’t fall off.

[@XENONEOMORPH1979]

new parts kills the doubt and fresh parts.

[@madman432000]

I have a Jeep Liberty with rear end apart that is kind of the same. Didn't find any bad bearings and no gears chipped. A couple years ago I did have the pinion nut fall off and driveshaft fell off as I was leaving a stop sign. Reinstalled the nut and yoke and drove it. Just started making more grindy noises but nothing as severe as this truck had. You going to disassemble the clutch pack? I didn't see any threaded adjusters or shims come out with that carrier.

[@doleph1]

"A noise" is an understatement. Holy heck!

[@vawlkus]

that is one of the NASTIEST noises I have ever heard on one of your video's Ray.

[@timcarlyle147]

my brother had same issue 3 week ago ford f 250 found bearings were bit tapered customer did rebuild come out great

[@bobbg9041]

It really sounded like the pion was slipping I'm surprised it didn't chew them up. If it was mine I'd take this time to do a full rebuild and upgrade to the way he drives either speed or power like you did on the Jeeps. He can always sell the used parts as a set.

[@kirk1065]

As a diff. tech for many years it's my opinion you should look at replacing ring and pinion with the bearings it will make noise if you don't

[@wilbilt]

It looks like that ring and pinion are toast, especially the wear at the outer edges. Slamming around with that much backlash likely did them in.

[@kirk1065]

@@wilbilt 👍

[@5695q]

new bearings and seals all the way around and hope the owner understands that the diff would be a good choice to change also. Rear end would be good for the rest of the trucks life.

[@RenegadesGarage]

Rainman Ray.. I would definitely do a complete rebuild on it. And now is the perfect opportunity to change the gear ratio. Why not, right?

[@HypocriticYT]

My Camaro had the diff howl twice until I replaced the gears with Yukon gears and upgraded the ratio 😅

[@marksmith-ew7ir]

I have seen you put new bearings in axels and you have said set the correct tension on bearings to gain the uneven wear not to shorten the life .

[@charleskadletc2431]

Good honest work.

[@lamatrisefontain98]

Ray, you have bigger balls that I do, I would have turned around in the very first driveway. I expected to hear metal hitting the road surface at any second.

[@desotosky1372]

Thought the same thing. Was sure he would be doing a road side rescue with his flatbed from the bridge.

[@spencemccall8383]

That rear end requires diff fluid with an additive. Wonder if someone replaced pinion seal with incorrect torque and or no diff fluid additive

[@oldspokes]

I expected more carnage 🤨

[@opendstudio7141]

Curious to see if one of the pinion inner bearing races is cracked.

[@RobH.]

Thanks!

[@philsonnenberg6092]

Least of your worries with that year F150. Pretty sure that thing is part of the recall that is due to the trans downshifting to first at any speed. Quality UAW made vehicle!

[@chrissmith513]

Those pinion races are Toast 😊😊😊

[@rayvarnson8976]

When you talk about tapered roller bearings, the bearing set is known a cup and cone. I only know this as I worked in a bearing house then a electric motor shop. Just for your information.

[@darkerbinding6933]

If I was the owner, I'd let you do the full meal deal on the axel. You've already got it taken apart.

[@bblod4896]

I'd replace all the bearings since it's already apart and perhaps the clutch (friction ) plates if the wrong differential lubricant was used. Looking forward to part II.

[@glasswinder]

The first 10 feet was enough for me brother 🎉🎉

[@kevincurry4735]

Happy Friday Ray. Noise instead of Words. Wow sounds like a sewing machine on its last legs.

[@garypillischafske1425]

I believe you are correct. The adjustments had been tinkered with for those bearings, causing a lot of stress in that diff. Good catch!

[@akaltenbach]

Some ford trucks require a friction modifier addative in the diff, along with the gear oil . Without the addative it can cause damage and noise.

[@DarrenIsted]

that truck sounded like an electric milk float lol

[@RAYROTHSTEIN66]

Those dark lines on the outter races on the pinion bearings are the cause of the noise. It's like little digits the bearing has to roll over.

[@fleece192]

Good video, always learning stuff. On what to do.. and not to do. Like filming under a running vehicle 🚗

[@brianwheldon7177]

Ray I think if you break the bearing cage and with the rollers out of the way ill bet there is damage to the inner race surface hardening, there seem to be to much noise in there to be just a preload issue.

[@robames1293]

When I first heard the noise when you were driving it sounded similar to UJ noises, possible the tone relative to road speed. I didn't think of pinion bearings though.

[@Wartai]

When you drove off with that Helicopter sound, you drove it further than I would have ... I was waiting for the diff to explode

[@edwardrobb4682]

This rear has allot of problems . My first thought as the pinion bearings . But because of the miles and the problem with those clutches , I would just replace that center unit with a good used one or a new one . But it’s up to the owner . Your very good at rear ends so I am certain that you will handle this very well for the owner .

[@garypatton9720]

Hi Ray. Those Ford 8.8's have been known to have their pinion nuts loosen up all by themselves and they can make that horrible noise even if the bearings still look good. That's why they recommend to use a new pinion nut with red thread locker upon reassembly. That doesn't explain a resistance to turning freely though ...

[@jowens1126]

The most cost effective solution would be to get a complete rear end from a low mileage junk yard wreck.

[@TheMaster1]

So how does Dave like his new Box?

[@arthurrodesiler3109]

My self is the posi plates are shot along with the side gears. Side gears have spines on them were the posi plates grap onto them. So the whole diff is probably shot cause it was drove to long with that noise.

[@timanglin89]

Dang man, your shop sure has come a long way. It’s looks great!!

[@patricknesbitt4003]

I remember replacing front wheel bearings on a Plymouth Horizon where the owner's son rode the brakes for 2 miles coming down a mountain heating the rotors to the point where they turned blue and cooked the grease in both bearings. Test driving the car produced a noise that sounded like a twin engine Cessna flying 10 feet over the car.

[@andrewb8548]

15 feet into that test drive I could smell that oil.