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Old 03-02-2023, 09:18 AM   #2
JFP in PA
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Join Date: Feb 2005
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Quote:
Originally Posted by muledog View Post
I am having the IMS bearing upgrade in my 2004 BoxsterS and want to replace the clutch while this work is done. The car has 68,000 miles and the clutch doesn’t show signs of where but it save most of the labor while the IMS work is done.

The reputable shop I am working with wants to replace the flywheel also which adds $1,100 to the cost. Isn’t.there an inspection that can be done on the flywheel for reuse?
The dual mass flywheel is tested with a rotation test to see if the two sections rotate away from each other and then correctly return. It is a "go/no go" type test, it either passes or it doesn't. If the flywheel shows signs of being "burned" due to heat from clutch slippage, it also has to be replaced as dual mass flywheels cannot be resurfaced.

https://www.sachsperformance.com/en/sachs-service-flywheel-check
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