GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Pontiac
🢒
2005
🢒
Grand Prix
🢒
Transmission/Transaxle
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Automatic Transaxle - 4T65-E
🢒 Reaction Sun Gear and Drum Assemble
Inspect the reaction sun gear and drum assembly (678) for the following:
•
Worn or scored bushings
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Damaged reaction sun gear teeth
•
The band apply area of the drum for discoloration or wear
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The welds connecting the sun gear to the drum for voids or cracks
•
A worn or damaged 1-2 support outer race
Install the reaction sun gear and drum assembly (678) into the case.
Check that the lugs engage with the 1-2 support roller clutch inner race.