Throw Out Bearing - Team Camaro Tech
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post #1 of 17 (permalink) Old Jan 28th, 13, 11:53 AM Thread Starter
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Scott
 
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Throw Out Bearing

Is there any way to check the Throw Out Bearing to be good or not, other than the obvious ? I have my bearing out, as I was having a host of other issues, It seems to be fine, but I really want to find out if in fact this may have been my problem....some have suggested it was.

If I cant visually see anything wrong, would it be wise to cut it open to see ?

Secondly, I seem to notice that the face of it is not flat, but rather has a ridge, and can see through wear marks, that this ridge is riding against the fingers of the clutch - Is this normal or should the face be flat.

Thanks
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post #2 of 17 (permalink) Old Jan 28th, 13, 02:14 PM
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Mike
 
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Re: Throw Out Bearing

Alway's a good idea if you have it out just replace it.

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post #3 of 17 (permalink) Old Jan 28th, 13, 02:47 PM
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kevin
 
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Re: Throw Out Bearing

you should be able to place several fingers in the hole and spin the flange to feel any roughness in the bearing
as said, when in doubt throw it out and get a new one
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post #4 of 17 (permalink) Old Jan 28th, 13, 02:54 PM Thread Starter
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Scott
 
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Re: Throw Out Bearing

yep - planned on replacing it, but was trying to find out if this was my issue, as nothing is jumping out at me.

Was curious about the ridge on the bearing, as I stated, and if that was normal.
It does spin with a little resisitance, but feels like there it is full of grease.
Wonder if the wrong combo of clutch to Throw out bearing was in there.
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post #5 of 17 (permalink) Old Jan 28th, 13, 03:23 PM
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Greg
 
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Re: Throw Out Bearing

So what issues are you having?

Not all bearings are made equal. I replaced a brand new bearing (that came in a clutch kit) with a known value name brand. The no name was too-noisy for my liking.

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post #6 of 17 (permalink) Old Jan 28th, 13, 03:48 PM
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Re: Throw Out Bearing

Yep, when you pull a spark plug to have a look it's usually OK to keep using it. A throw-out bearing? Toss it.
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post #7 of 17 (permalink) Old Jan 28th, 13, 03:52 PM Thread Starter
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Scott
 
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Re: Throw Out Bearing

This has been a very very long list of posts previously. But in a nutshell, when I pushed the clutch in, everthing seems fine, but once it started to get aggravated by driving, when I came to stop, I would push in the clutch and then noises would happen. Even if I had it in neutral, and pushed the clutch in and out I could feel the stick and noises. Afterwards, I found out that the guy who built this car had the wrong mounts, wrong crossmember cause this is a BB but in a SB car, The right mounts and crossmember pushed the motor forward and to the passeneger side, This was now better cause the fork was hitting the firewallm and it was a Lakewood fork which through threads, would not work as I need the 2632 fork for a generation 1. Bought all the parts and slowly getting things back together. Now I have the tranny out and going through the clutch, pilot etc. so I am trying to do some investigative work to see if i can find out what the problem may have been.
I have a brand new Throw out for my 55 and I just looked at it, and the face is smooth, and this one is ridged. However, this has a racing clutch in it, I assume a centreforce. so if they take a different throwout than a smooth face, that may alleviate the concern that it is the wrong bearing. If it supposed to be smooth, then its wrong
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post #8 of 17 (permalink) Old Jan 28th, 13, 06:22 PM
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Re: Throw Out Bearing

There are only 2 throwout bearings, long and short. Most all chevies take the short.

The best bearing is all steel and has the letters SCA and a part number stamped in it.

The cheap china ones have some plastic and no number and no SCA. Fun part is they all have the same part number, and if you have the parts store guy look em up, they all come up with the same number in the computer.

And yes, the face should be flat.l

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post #9 of 17 (permalink) Old Jan 28th, 13, 06:41 PM Thread Starter
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Scott
 
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Re: Throw Out Bearing

Jim, I have 2 Throw out bearings in front of me and one is flat (that is to go in my 55) and the one I just pulled out has the ridge.
I looked up a "Centreforce" Throw out bearing (as I think this may be a Centreforce) and it shows according to the picture that it has a face with a ridge on it.

I am not sure where to go from here, I am hoping to have the Bellhousing off soon (which is a Lakewood) and then I will be able to confirm it is a Centreforce.
This bearing has no numbers on it though, I could take some photos if that would help or you could google Centreforce Throw out - probably will direct you to Jegs
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post #10 of 17 (permalink) Old Jan 28th, 13, 08:12 PM
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Scott
 
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Re: Throw Out Bearing

Photo would help. I do not recall seeing any bearings with a ridge. Always a flat to slightly convex face if I recall.

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post #11 of 17 (permalink) Old Jan 28th, 13, 09:08 PM Thread Starter
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Scott
 
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Re: Throw Out Bearing

Here are a couple of photos of the bearing that I pulled out.
The face is not flat.

Hopefully I uploaded then correct

Last edited by SS-Scotty; Apr 9th, 13 at 09:33 AM.
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post #12 of 17 (permalink) Old Jan 29th, 13, 08:52 AM
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Russ
 
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Re: Throw Out Bearing

Go with the one that is recommended for the pressure plate you are using.
Russ
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post #13 of 17 (permalink) Old Jan 29th, 13, 10:52 AM
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Re: Throw Out Bearing

Also check the inside surface where it rides on the input shaft. Mine had a wear pattern to it and was causing the linkage to catch when it got really hot out. Good luck.
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post #14 of 17 (permalink) Old Jan 29th, 13, 11:51 AM
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Re: Throw Out Bearing

Look for a Federal Mogul , Timken or BCA 1705 bearing. Look for the colored dust seal. I think your bearing should be 1.250" tall for a Centerforce clutch. Think the centerfore # is a 1416? . Take the bearing out of the box, spin it in your hand , should be smooth and solid, not sloppy. If its not , ask for another one. Parts people don't like me too well when I tell them their new bearing is bad. Yes , watch out for china. Most bearings I find are BCA made in USA. Yes, add a dab of grease in the bearing collar , but most have a recessed pocket for this . The other bearing is almost 1.375 tall. They all should have flat surfaces unless you have a long style p/plate.

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post #15 of 17 (permalink) Old Jan 29th, 13, 02:14 PM Thread Starter
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Scott
 
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Re: Throw Out Bearing

I will take notice to the parts numbers Thanks
Do you see anything wrong with mine, with the face being pointed and not flat.
Was this a boo boo by someone, and what sort of troubles would you suspect I may have with this one. Dont get me wrong, I have no plans to reuse it
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