[V8Vairs] Excessive clutch chatter

[Ken Hand]

 ??? There are a few things that I have seen people do that will cause clutch chatter or brake problems in general when they replace these items. I see so many people not take care to keep things clean, especially the friction surfaces. I see mechanics and do it yourselfers so many times pick up brake shoes/pads and drums/rotors with their dirty greasy hands and never clean the surface. With clutch discs and brake shoes the damage is already done when you do this as the lining cannot be effectively cleaned.
??? I know what you are going to say, that you kept everything clean, but, even a finger print on a flywheel will cause a hard spot and chatter. Even the smallest of debris between the flywheel and the crank will make things wobble just enough to cause chatter.
??? One other thing to look for is, do you have anything loose or worn like the mounts. Also you need to make sure that you have the bellhousing centered on the engine if you took it off, even if you didn't check anyway. The only way to do this effectively is to use a dial indicator from the flywheel to the bellhousing. This will do two things, it will make sure that the clutch disc is not off center, that will cause chatter, and also keep your main shaft lined up so you don't take out the clutch gear bearings and ruin the main shaft.


 


Ken Hand
248-613-8586
www.corvairmechanic.com 

 


 

-----Original Message-----
From: jjrunningrealtor at aol.com
To: v8vairs at corvair.org
Sent: Sat, 24 Nov 2007 7:27 pm
Subject: [V8Vairs] Excessive clutch chatter










Hi all,

I replaced the pressure plate, disc, throwout bearing, roller pilot bearing and 
had the flywheel resurfaced in my 66 Crown Conversion and the clutch still 
chatters. Has anyone experienced excessive clutch chatter with there Crown 
Conversions? Can anyone offer any advise on what to look for or do next?

It didn't chatter before I replaced everything and the reason I replaced it all 
was that the old throwout bearing went out and the clutch disc was trashed.??

Jerry in FIRERY California
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