6 speed question? - Team Camaro Tech
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post #1 of 4 (permalink) Old Oct 9th, 19, 10:20 AM Thread Starter
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6 speed question?

I’m looking at a 2002 WS6 that’s fairly well built (supercharger,etc). I haven’t test driven it yet.... the owner says absolutely nothing wrong but he said the stage 3 clutch bearing has a slight buzzing noise, but that it has nothing to do with any issues. He said he put in a new Spec SC09SST Twin Disc Clutch.

Question: I’m not very familiar with manual transmissions other than driving them. Does that buzzing noise mean it’s going bad, or do high performance 6 speeds do this?

If something is going out, what exactly would need to be replaced? All the clutches? Thoughts?

Thanks you.
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post #2 of 4 (permalink) Old Oct 9th, 19, 11:04 AM
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Re: 6 speed question?

If seller is implying the "clutch bearing" makes a noise...no that is NOT normal. I assume he is referring to the "throw out bearing" which is hydraulic on a 2002. Using the SPEC twin disc clutch measurements (stack height) and distance to PP and trans need to be taken to determine if any "shim(s) need to be used so the throw out bearing does not over extend or is to long (there are different heights/lengths of bearings depending on application). If, for example, the TO bearing is to long or to much shim was used to space it away from trans than there is constant pressure on PP which will both kill TO bearing and clutch.

The T56 is a very stout and good transmission but it, or the clutch, TO or pilot bearings should not make any "noise"

Without hearing the noise in person IDK if this "noise" is even from the described "clutch" (read TO) bearing. It could be the pilot bearing or internal to the transmission. Point is a "buzzing noise" is not normal
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post #3 of 4 (permalink) Old Oct 9th, 19, 11:43 AM Thread Starter
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Quote:
Originally Posted by SoCal805 View Post
If seller is implying the "clutch bearing" makes a noise...no that is NOT normal. I assume he is referring to the "throw out bearing" which is hydraulic on a 2002. Using the SPEC twin disc clutch measurements (stack height) and distance to PP and trans need to be taken to determine if any "shim(s) need to be used so the throw out bearing does not over extend or is to long (there are different heights/lengths of bearings depending on application). If, for example, the TO bearing is to long or to much shim was used to space it away from trans than there is constant pressure on PP which will both kill TO bearing and clutch.

The T56 is a very stout and good transmission but it, or the clutch, TO or pilot bearings should not make any "noise"

Without hearing the noise in person IDK if this "noise" is even from the described "clutch" (read TO) bearing. It could be the pilot bearing or internal to the transmission. Point is a "buzzing noise" is not normal


How much can I expect to pay to repair it if it just needs the shims as you described above?
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post #4 of 4 (permalink) Old Oct 9th, 19, 01:31 PM
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Re: 6 speed question?

Quote:
Originally Posted by Camarocarter View Post
How much can I expect to pay to repair it if it just needs the shims as you described above?
well if "something" is making a "buzzing noise" than that something is likely bad or what it may be rubbing against.

Shims are used between TO bearing and tranny face to set the correct distance of the TO bearing to the pressure plate (clutch) fingers. To do this the transmission needs to be removed....and whoever is doing this needs to know what that "gap" needs to be and use shim (s) of the correct thickness to install. All this info, and shims, would have been included with the SPEC clutch

With this said IDK if "shims" is the cause or remedy of your "buzzing noise", simply a note that the distance between clutch and TO bearing is critical and if not right can be a noise or damage or non function of the clutch/tranny

This assumes what the seller is saying is related to "clutch bearing" (read wrong wording) but is he is referring to the TO (throw out) bearing making noise than the tranny needs to come out to see and replace and also the clutch hydraulics need to be bleed.

You might find more responses if you post in the 2002 F body section. This one is for 1st gen 1967-69
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