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Topic: IMPORTANT - Clutch Fluid Servicing

in Forum: C6 Driveline Components


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IMPORTANT - Clutch Fluid Servicing (1/5)
 4/24/12 5:04pm
FrankM
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Williston Park, NY - USA

Vette(s):
2008 C6 Coupe, LS3, Blk/Blk, 6M Z51, 3LT


Joined: 10/10/2006
Posts: 19

The C6 User's Manual doesn't mention it, nor will the Chevy dealer service your clutch fluid, but if you have a manual transmission with more than several thousand miles on it, check your clutch fluid reservoir and you will see how dirty and gunky the fluid is.You probably also noticed that your clutch doesn't behave like it did when newer. The fluid should be checked every several fill-ups and and new fluid added. To clean an excessively dirty fluid, get the Dot3 or dot4 brake fluid and a turkey baster. (Be sure to prevent the fluid from getting on your paint - very corrosive). Remove as much fluid as possible with the baster, add new fluid, and put cover back on reservoir. Pump clutch eight to ten times or more, then repeat the process. Do the whole process several times til the fluid is clear.






|UPDATED|4/24/2012 2:04:17 PM (AZT)|/UPDATED|


______________
2008 C6 Coupe, LS3, Blk/Blk, 6M Z51, 3LT


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Re: IMPORTANT - Clutch Fluid Servicing (2/5)
 5/8/12 6:24pm
kraz
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monmouth junction, NJ - USA

Vette(s):
93 red coupe 08 yellow z51


Joined: 4/28/2010
Posts: 11

hi all you should only use DOT 4 in c6 corvettes
Re: IMPORTANT - Clutch Fluid Servicing (3/5)
 5/25/12 11:56am
thecorvettemechanic
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Joined: 5/25/2012
Posts: 1

Absolutely true on the clutch fluid changing. 
 
GM has a TSB that states the correct change interval is 2 years/24k miles on all c6.  DOT 4 is the specification for the brake fluid.
 
Now, that being said, clutch fluid turning black is considered NORMAL and will not create clutch durability issues. 
 
The brake fluid is a lubricant and thus the reason why operation feels smoother after it.
 
Just make sure the baster method is NOT the only thing you do. 
 
You have a 9mm bleeder screw on the slave cylinder that should be used after you drop the exhaust pipe and the tunnel plate.
 
Allthebest, TCM
Re: IMPORTANT - Clutch Fluid Servicing (4/5)
 9/13/15 12:13pm
dwa175
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oakville, CT - USA

Vette(s):
1979 c-3 +2007 c-6 z-51


Joined: 12/30/2014
Posts: 27

I don't need a time to change  the car keeps getting harder to shift,than change fluid alls well where is the fix  there must be a way  keep looking. I use dote 4 synthetic fluid  doesn't hurt paint and I thing it works ,I been using this for years in all my vehicles,dosnt atrack water .  dwaBeer
Re: IMPORTANT - Clutch Fluid Servicing (5/5)
 11/3/15 11:46am
dwa175
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oakville, CT - USA

Vette(s):
1979 c-3 +2007 c-6 z-51


Joined: 12/30/2014
Posts: 27

gm is going to warranty problem with clutch master cyl  I have letter for gm stating this  check it out dwa
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