Found needle bearing in engine. - Team Camaro Tech
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post #1 of 19 (permalink) Old Dec 17th, 05, 08:13 PM Thread Starter
 
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Question Found needle bearing in engine.

Replaced the rear oil seal in engine and found a needle bearing. Where
could it have come from and how do I fix it?
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post #2 of 19 (permalink) Old Dec 17th, 05, 08:29 PM
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Re: Found needle bearing in engine.

Roller rocker, roller lifter, cam gear thrust plate (if needle bearing type).

Jody


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post #3 of 19 (permalink) Old Dec 17th, 05, 10:42 PM
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Re: Found needle bearing in engine.

If you have a roller cam, I wouldn't even start the car until you found out where that bearing came from. I guess no matter where it came from running the engine wouldn't be a good idea.

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post #4 of 19 (permalink) Old Dec 18th, 05, 06:49 AM
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Re: Found needle bearing in engine.

Don't run engine anymore. You gotta find out where it came from. A buddy blew up his race-prepped (expensive!) 502 because needle bearings fell out. If you've had one fall out already, then that means a bunch more will probably fall out soon, as something is failing. Maybe they already fell out and are lodged in oil galley just waiting to blow up your engine.

As stated above, could be rocker, lifter or cam thrust plate, wherever you've got needle bearings.

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post #5 of 19 (permalink) Old Dec 18th, 05, 11:07 AM
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Re: Found needle bearing in engine.

If it's a four speed and you don't have a brass pilot bearing it could be froma roller bearing pilot bearing in the end og the crank? If it's an auto trans did it have a four speed? Did the engine get rebuilt and still have roller bearing pilot bearing in the crank? It's not something that would have to be removed to run a flex plate and auto trans. If it's just sitting there it's probebly coming apart.

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post #6 of 19 (permalink) Old Dec 18th, 05, 02:43 PM
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Re: Found needle bearing in engine.

One way to help tell where it came from is by it's size. How long is it? are both ends smooth or is it broken off (jagged on the end)? The thrust plate bearings are short. Roller rockers will depend on the style and make as will the lifter bearings. Did you hear any funny noises? (chirping, etc...). When I had a roller lifter fail, it would make a chirping noise every once in a while, very hard to find or describe. Needle bearing will do a number on your engine, it did on mine.

Royce (NO XQSSS) Bradley

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post #7 of 19 (permalink) Old Dec 18th, 05, 07:25 PM
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Re: Found needle bearing in engine.

Allen,
Where exactly did you find the roller ? Which engine do you have ?

Bill Koustenis
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post #8 of 19 (permalink) Old Dec 21st, 05, 09:11 PM Thread Starter
 
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Re: Found needle bearing in engine.

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Originally Posted by BillK
Allen,
Where exactly did you find the roller ? Which engine do you have ?
Found it in the oil pan and have a LT1 engine.

Allan
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post #9 of 19 (permalink) Old Dec 22nd, 05, 10:51 AM
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Re: Found needle bearing in engine.

Allen,
About the only thing I can think of with a roller bearing in a LT1 would be a lifter. I would say its time to pull the intake and take a look at the lifters first.

Bill Koustenis
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post #10 of 19 (permalink) Old Dec 22nd, 05, 11:24 AM
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Re: Found needle bearing in engine.

Seems like on some of the later LS1 or LT1 F-body engines, GM had a recall notice on the roller rockers or lifters.

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post #11 of 19 (permalink) Old Dec 22nd, 05, 11:45 AM
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Re: Found needle bearing in engine.

Maybe it has a roller bearing block protector behind the timing chain gear?

Jeff

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post #12 of 19 (permalink) Old Dec 22nd, 05, 07:50 PM
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Re: Found needle bearing in engine.

Dave,
The "recall" was on the LS1's. The LT1's dont come with roller rockers from the factory. Only other thing I dont know about is if the distributor up in front has any type of roller bearings in it.

Bill Koustenis
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post #13 of 19 (permalink) Old Dec 23rd, 05, 07:01 AM
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Re: Found needle bearing in engine.

I believe JC Dubs has it, Isn't there a flat Torrington type bearing and race behind the cam to keep wear off block? Other than that,, early and LT1 do not have that type of beaing inside of motor, unless you have needle roller rockers? .

Don
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post #14 of 19 (permalink) Old Dec 23rd, 05, 01:45 PM
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Re: Found needle bearing in engine.

I work for Timken and I work on the product line that makes the roller lifters. If you can give me the dimensions I can tell you if it came from there. I doubt it came from the roller lifters because we have never had any failures reported. Believe me they complain about every little thing!

Brett
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post #15 of 19 (permalink) Old Dec 23rd, 05, 05:36 PM
 
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Cool Re: Found needle bearing in engine.

Ya'll may laugh, but when i rebuilt the engine in my truck (didn't like 7,000, i know... i know..) I pulled the engine, pulled the carb, then manifold, and lone behold, i found a set of vice grips, and the old carb bracket. The bolt to the vice grips was in the oil pan, and a hose clamp was inside the fuel pump. Now i have no idea how all that stuff got there... other than carelessness by the person who rebuilt it before me (maybe that is why all eight connecting rod bearings turned?). Anyways, i guess this is off topic, but figured maybe somebody would get a good laugh.
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