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1st gear shimmy

Trance_LT4

Well-known member
Joined
Dec 11, 2001
Messages
140
Location
Suffolk, VA
Corvette
Red 96 LT4 coupe
Friend of mine asked me a question I couldn't answer. He's a got a 6 speed in his C4, and the car shakes a bit when he slips the clutch to start off (like from a stoplight). He either has to really goose it, or not use any gas when he starts off to not shake. Sounded odd to me, any ideas?
 

BigRed

Well-known member
Joined
May 23, 2001
Messages
948
Location
Edmonton
Corvette
1985 Bright Red Rocket
Sounds like the Throw out bearing bud but it can be the Clutch as well if its worn out.
 

Ken

Gone but not forgotten
Joined
Jan 30, 2001
Messages
8,236
Location
Hermosa Beach, CA
Corvette
1987 Z51 Silver Coupe
Sounds like the clutch disc is wearing out and if it allowed to continue, some serious glazing of the flywheel is going to occur. :nono

It's highly suggested to replace both the disc and the pressure plate when you do address the problem. ;)

_ken :w
 
B

boblx2a

Guest
Clutch shimmy

I had that same problem on a '55 Chevy rebuild when I didn't think to have the fly wheel resurfaced before I installed it. This was on a 350, 4 speed but this sounds exactly the way mine acted. Removing the fly wheel and having it resurfaced fixed the problem. Of course I would suspect his is one of the latter problems since he probably doesn't have a warped fly wheel.
 

vigman

Motor head!!!!
Joined
Feb 13, 2001
Messages
3,471
Location
Valencia, CA,USA
Corvette
88 Convert ( SOLD ) /1973 coupe 4 speed/1964 Vert!
Shimmy

Either the flywheel,clutch or the pressure plate is not FLAT when engaging.

It's like the warped brake rotor thing.

If you have excessive runout...your brakes grab-release-grab-release squeek squeek squeek.squeek

Same deal here.

Do the whole thing, but the sooner you fix it the better.


Mike
 

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