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Joined: Aug 2002
Posts: 123
Shade Tree Mechanic
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OP
Shade Tree Mechanic
Joined: Aug 2002
Posts: 123 |
Hey, people. My 40 Master Deluxe, in the process of restoration, has suddenly developed a really bad clutch chatter to the point that it is even present after changing gears - especially in 'downshifting' - and I can't even start up without embarrassement. This chatter has always been there as far back as I can remember and I always attributed it to oil on the clutch face, because it always disappeared after everything was warmed up - i.e., after a mile or so. It sounds like 'Major Repair'. Any thoughts on this before I start some major dismanteling?
Doc
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Joined: Dec 2001
Posts: 203
Backyard Mechanic
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Backyard Mechanic
Joined: Dec 2001
Posts: 203 |
It sounds like the flywheel and/or clutch pressure plate needs to be resurfaced. The simple thing to do is check to make sure all of the pressure plate bolts are tight. I had this chatter problem on my both of my old chevys and resurfacing the flywheel made the cars so nice to drive. Of course, while I was in there everything got replaced: clutch, pressure plate, pilot bearing (bushing), and throwout bearing.
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Joined: Dec 2001
Posts: 2,142 Likes: 3
ChatMaster - 2,000
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ChatMaster - 2,000
Joined: Dec 2001
Posts: 2,142 Likes: 3 |
John
1954 Belair Sport Coupe
1960 2 door Impala Hardtop 348/340HP 4spd
1962 2 door Impala Hardtop 409/409 4spd
1962 2 Door Biscayne Sedan 327/250 Auto
1977 Monza Mirage 305 4 Speed
1988 Celebrity Wagon
2018 GMC Sierra 2500 HD Diesel
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Joined: Jan 2002
Posts: 30,701 Likes: 141
ChatMaster - 25,000
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ChatMaster - 25,000
Joined: Jan 2002
Posts: 30,701 Likes: 141 |
Due to the fact that you said it suddenly developed the problem-I would say something broke in the clutch.The springs in the disc-something in the pressure plate???---Would need to be removed and inspected.Plan on replacing the pilot bearing, throw out bearing ,disc & pressure plate.Resurfacing the flywheel may also be necessary.Check for broken motor mounts and the transmission mount.If the trans. mount is replaced adjust the fore and aft specs.as per shop manual.
Gene Schneider
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Joined: Aug 2002
Posts: 123
Shade Tree Mechanic
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OP
Shade Tree Mechanic
Joined: Aug 2002
Posts: 123 |
Yeah, Gene. I also suspect the motor/transmission mount, because even though the problem has always been there, it suddenly stopped going away after everything warmed up. I have ordered everything except the mounts. I'll order them tomorrow. Thanks guys.
Doc
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