Car shutters when leaving from a full stop??

Unit 5302 · 09-28-2002, 07:15 PM

The problem is you re-used your stock pressure plate. You didn't have the flywheel surfaced either, did you?

Both the pressure plate and flywheel wear slightly with the old clutch. When that happens low spots are created on the surface. Installing a new clutch which does not have the same low spot wear on it creates an imperfect match. Thus you'll have parts of the clutch that are not pressed against the metal to grab properly. The reduced area that is grabbing therefore has a lot more stress put on it, and it has a tendency to glaze that surface.

What the resulting symptom is becomes apparent as a chatter while the clutch seats itself properly. You're going to want to take it real easy on the clutch for a few hundred miles as it's seating, which will now be much more difficult because the flywheel/plate have their own wear patterns the clutch must adapt to. Any hard usage and you'll be forced to take the tranny back off and replace the pressure plate, and have the flywheel surfaced for sure. Not to mention you may need to replace the clutch again.

It's almost always a requirement to replace the pressure plate, and replace/resurface the flywheel when doing a clutch job. While you're in there the pilot bearing and throwout bearing should also be replaced as well.

Hope you get lucky this time around and the clutch is able to seat without glazing stuff.

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09-28-2002, 07:15 PM	#4
Unit 5302 Registered Member Join Date: May 1999 Posts: 5,246	The problem is you re-used your stock pressure plate. You didn't have the flywheel surfaced either, did you? Both the pressure plate and flywheel wear slightly with the old clutch. When that happens low spots are created on the surface. Installing a new clutch which does not have the same low spot wear on it creates an imperfect match. Thus you'll have parts of the clutch that are not pressed against the metal to grab properly. The reduced area that is grabbing therefore has a lot more stress put on it, and it has a tendency to glaze that surface. What the resulting symptom is becomes apparent as a chatter while the clutch seats itself properly. You're going to want to take it real easy on the clutch for a few hundred miles as it's seating, which will now be much more difficult because the flywheel/plate have their own wear patterns the clutch must adapt to. Any hard usage and you'll be forced to take the tranny back off and replace the pressure plate, and have the flywheel surfaced for sure. Not to mention you may need to replace the clutch again. It's almost always a requirement to replace the pressure plate, and replace/resurface the flywheel when doing a clutch job. While you're in there the pilot bearing and throwout bearing should also be replaced as well. Hope you get lucky this time around and the clutch is able to seat without glazing stuff.