Service Slants

Motor,  Dec 2003  by Savasta, Bob

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Dual-mass flywheels are used on Liberty and Wrangler models. If clutch slippage has occurred, Jeep engineers recommend that you lightly scuff and clean the flywheel, then give it a good once-over before installing a replacement disc. Minor heat checking is okay, but cracks, especially around the pressure plate bolt holes and in the friction surface, usually mean the flywheel's structural integrity has been compromised from excessive heat. When in doubt, err on the side of safety and replace the flywheel.

Caution: Never send out a dual-mass flywheel for machining. Removing too much stock will result in the flywheel cracking or warping after installation, which will interfere with proper clutch engagement.

Copyright Hearst Business Publishing Dec 2003
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