clutch squeal

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Apr 20, 2006
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I finished installing a 5 speed last week. I followed protocol and put in a new clutch disc and plate, throwout bearing, pilot bearing, rear main seal, etc. I did not change the clutch fork though it has some wear on the points.

I ran the truck for a while and it ran fine - gearbox was a little notchy but it's begun to loosen up.

After a long 2 to 3 hour drive, the clutch starts sqealing loudly. It's loudest when the clutch is released. Off the clutch pedal, no real noise. I removed the inspection plate and took a look at it. The bearing does not spin when the clutch is out although the fingers seem to be scraping a little against the bearing. When the clutch is pressed in, the bearing moves but it squeals like a pig. Sometimes when it's fully in, it does not squeal.

I am assuming that the bearing is a dud and I needed to pull the transmission again? The bearing came in the kit (called the Rhino Pac). It looks different to the Toyota bearing, it's shallower and flatter. I'll admit the new bearing seemed a little stiff even before I installed it and I considered leaving the old OEM bearing on there because it spun nicer and looked beefier.

I guess the question I have it whether I can just replace the bearing with an OEM part or is it better to get rid of the Rhino Pac altogether and just get the OEM clutch and plate? I am concerned they are a set given the different shape of the Rhino bearing. Otherwise, is there some way of adjusting this out?

Primarily goal is to not to have to pull the tranny again.
 
I can't imagine the T/O bearing going bad this fast, unless you installed it backwards. Don't worry I did the same thing. ;)
 
The kit had pretty detailed set of instructions about installing the bearing - using locktite, not pressing it totally against the carrier, which face to use.

It could be possible and it did cross my mind when examining it earlier today. It's pretty hard to mix up the OEM bearing, the AMS bearing is almost flat on the other hand.
 
not pressing it totally against the carrier,

Whats up with that?

I'd never use a t/o brg that didn't at least have the same features or design as the original....
 
The instructions on the enclosed sheet said leave a small space between the ridge on the carrier bearing and the back of the bearing. The manufacturer claimed that pressing it fully home could cause a noisy bearing (not that it could be any louder than it is).

The bearing has the same inside diameter for the carrier and about the same outside diameter. The OEM bearing is more donut shaped on one side. This is flatter on both with slight raise. Anyway, it was available at the parts store and I was not willing to wait a week to get it from the dealer or one of the vendors. Lesson learned.
 
When I did my clutch job I put the T/O bearing (aftermarket) on backwards not even knowing there was a right and wrong way to do it.:doh: It only lasted about ten miles before it seized. I bit the bullet and had a mechanic put the new OEM one on. This was an expensive clutch job... lesson learned.

Sorry not much help, but I feel your pain.
 
I've never used a Rhino Pac clutch before and after reading about the t/o brg I decided to pic one up and investigate...... Never heard of not pressing the brg all the way on, but after reading the tech sheet you are correct... after looking at the brg I now see why... very poor design.. I don't recommend using this setup.......
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I have a 5 speed and my clutch squeals as well but in the opposite way. I was just about to post a question about it. If put a little pressure on the pedal or fully push in the clutch pedal it goes away. What the hell is causing this noise? I used to think it was belt noise until recently.
 
I've got an 89 62 which had a similar squeal with the clutch fully released. I adjusted the stop on the clutch pedal slightly, which silenced the squeal. Strikes me that as the springs fatigue and the bumper on the pedal stop wears, the pedal throw might have to be adjusted. Any reason why this wouldn't work, or did I just put a Macgyver bandaid on a sucking chest wound?
 

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