GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
2009
🢒
Sierra Denali
🢒
Transmission
🢒
Automatic Transmission - Allison
🢒 Oil Pump Cover Thrust Washer Inspection
Measure the thickness of thrust washer (1) at dimension A.
Specification
The minimum thrust washer thickness is 1.49 mm (0.059 in).
Replace the thrust washer if the thickness does not meet specifications.