GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Buick
🢒
2009
🢒
Enclave - AWD
🢒
Transmission
🢒
Automatic Transmission - 6T70/6T75
🢒 Harsh or Late Second and Sixth Shift
Checks
Causes
2-6 Clutch Assembly
•
Inspect for worn or improper surface finish on the 2-6 Clutch Plates (446, 447) and Backing Plate (448)
•
Inspect for fatigued 2-6 Clutch Piston Cushion Spring (445)
Case Cover Assembly (403)
•
Inspect for damaged or broken 2-6 Clutch Piston (405) and piston seals damaged, worn or delaminating
•
Inspect for fatigued 2-6 Clutch Piston Return Spring (406)