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Old 04-11-2010, 06:51 AM   #1
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Flywheel question

lWhen replacing the clutch, is it necessary to replace the flywheel?

I read in the factory service manual that resurfacing the flywheel is not recommended because "The flywheel surface is manufactured with a unique contour that would be negated by machining"

I have mine all apart and I can't notice any contour. Can somebody confirm this?

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Old 04-11-2010, 09:21 AM   #2
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if you have the money a center force flywheel would be a good investment if your flywheel looks worn.
if you resurface a flywheel you will be reducing the thickness and causing a reduction in clutch plate to drive surface pressure ( less clutch holding ability ).
this would not be a problem on a car but for a jeep that is used off road or with big tires it will cause the clutch to slip under hard use ( when you need it to hold the most )

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Old 04-11-2010, 10:02 AM   #3
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I'm sorry Scott, but your reply makes no sense to me.
The only things I can see that affect the clutches holding ability are the spring pressure from the pressure plate, the surface contact area between the flywheel - clutch disk - pressure plate and the engine RPM.
I don't see how resurfacing a flywheel would effect any of them.

Now if the flywheel is not supposed to be flat the surface area would change.

I've been looking at replacement flywheels. They all say that they are of the flat type.
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