which serial numbers have which old/new bearings
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Joined: Apr 2012
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From: Clemson, SC
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For 3.8L motors, up to M97/01 68509790 has the smaller IMS bearing and Engine number from M97/01 68509791 has the larger revised IMS.
For 3.6L motors, if the engine s/n is M96/05 69507476 and up it has the larger bearing.
However, the only way to be 100% certain is to pull the transmission and actually inspect the IMS bearing flange.
Larger nut (like on the left) = larger bearing.
For 3.6L motors, if the engine s/n is M96/05 69507476 and up it has the larger bearing.
However, the only way to be 100% certain is to pull the transmission and actually inspect the IMS bearing flange.
Larger nut (like on the left) = larger bearing.
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nmeone
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Apr 21, 2018 08:54 PM