GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Pontiac
🢒
2009
🢒
Montana SV6
🢒
Transmission
🢒
Automatic Transmission - 4T65-E
🢒 Reaction Sun Gear and Drum Assemble
Inspect the reaction sun gear and drum assembly (678) for the following:
•
Worn or scored bushings
•
Damaged reaction sun gear teeth
•
The band apply area of the drum for discoloration or wear
•
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.