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My clutch chatters and fells 'jerky' when I start out from a dead stop. Do I need a new clutch?

Mon, Oct 31st, 2011
Posted in Ask the Expert

Jeff Jackson

Probably. Chattering and jerking can be caused by oil contaminated clutch linings (due to an oil leak on the back of the engine, usually the rear main crankshaft seal), or by damage to the clutch itself. For the clutch to engage

smoothly, the pressure plate must come

down evenly on the disc. In other words, the surface of the pressure plate must be parallel to the flywheel otherwise it won't engage smoothly. If the flywheel is warped (which can happen as a result of overheating and abuse), it can make the clutch grab.

On rare occasions, a manufacturing defect in a new or rebuilt clutch can cause uneven engagement as can improper installation of the clutch. If someone allows the weight of the transmission to 'hang' on the clutch, it can bend the clutch disk causing shudder, grabbing or chattering. Damaged splines on the transmission shaft can cause the clutch disk to hang up and grab.

If this is happening to your vehicle, the best way to diagnose the problem is to take it to Brown Tire. We will be happy to help you with any concerns about your vehicle.

Brown Tire, Battery & Transmission

Hwy. 16 & 43



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