Clunking sound when I go into reverse! - Team Camaro Tech
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post #1 of 7 (permalink) Old Apr 12th, 01, 02:45 PM Thread Starter
 
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I just had my 2nd clutch installed in two weeks--it's a 12" clutch-all seems to be pretty good through all 4 gears, but when I go into reverse , there's a clunk--what is the cause exactly; and what do you suggest I do to remedy this? Thanks in advance!
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post #2 of 7 (permalink) Old Apr 12th, 01, 06:13 PM
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Is it kicking you out of reverse? or just "cluncking", what is your idle set at?
Are you fully disengauging the clutch? You should be clearing the gears before going into reverse, this will slow down main shaft so the sincros will align without hammering them.
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post #3 of 7 (permalink) Old Apr 13th, 01, 12:31 PM
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Check your u-joints in the drive line.
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post #4 of 7 (permalink) Old Apr 14th, 01, 03:35 PM
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Reverse gear is not synchronized - just a set of spur gears with an idler. Just put the lever in any forward gear for a sec before you go into reverse to stop the mainshaft and cluster from spinning. Also sounds like you're not getting full disengagement of the clutch, or the input shaft wouldn't be spinning at all with the clutch disengaged - check the clutch adjustment.

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JohnZ
'69 Z28 Fathom Green

[This message has been edited by JohnZ (edited 04-14-2001).]
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post #5 of 7 (permalink) Old Apr 14th, 01, 09:31 PM Thread Starter
 
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thanks ---another question: John z-what would I check concerning the clutch adjustment, and what would I change to get this to stop--I know of the bolt under my master cylinder for the clutches' adjustment; but I don't know how to adjust it to remedy my reverse gear clunking upon shifting--
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post #6 of 7 (permalink) Old Apr 16th, 01, 11:40 AM
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What is the car, what transmission, what kind of clutch? Stock parts or performance? Need some info to help you any further.

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post #7 of 7 (permalink) Old Apr 17th, 01, 01:22 PM Thread Starter
 
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<BLOCKQUOTE>quote:</font><HR>Originally posted by JohnZ:
What is the car, what transmission, what kind of clutch? Stock parts or performance? Need some info to help you any further.

<HR></BLOCKQUOTE>

john--the car is a 68 l35 396/325 stock-The tranny is a muncie 4-speed, not the rockcrusher, the one below that(m-22?); the clutch is a GM 12" brand new-The car is built on stock parts, no performance add-ons really- Maybe this will be enough info--thanks

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