servo

Quote:

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Originally Posted by RedHeartbeat

The PN of the parts currently inside the 2007 GMT900 4L60e trans is...

Cap 8642485
4th apply piston 8642482
Piston 8642553 and approximately 2.280 diameter
out cylinder that fits on the piston 8642466

not sure on the size of a Corvette servo piston. Anyone have one they bought and haven't installed yet?

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vette servo is more like 1.8"

wow, that means the GMT900 has a stronger servo than the vette. This one was removed and measured with calipers. It's sitting on the floor in the garage and came out of my 2007 model.