Sierra Denali AWD V8-6.2L (2008)
Accumulator: Service and Repair
Accumulator Assembly, Spacer Plate, and Gaskets
Tools Required
*
J 25025-B Dial Indicator Post and Guide Pin Set
*
J 36850 Transjel Lubricant
Removal Procedure
1. Remove the transmission filter. Refer to Automatic Transmission Fluid and Filter Replacement (See: Service and Repair/Removal and
Replacement) .
Important: The 1-2 accumulator can be removed without removing the valve body.
2. Remove the valve body. Refer to Valve Body and Pressure Switch Replacement (See: Valve Body/Service and Repair/4L60-E/4L65-E/4L70-E -
Automatic Transmission) .
3. Remove the accumulator cover bolts.
4. Remove the 1-2 accumulator cover.
Important: regular production option (RPO) M33 transmissions do not use a 1-2 accumulator spring inner (104).
5. Remove the 1-2 accumulator cover (57) and pin.
6. Disassemble the 1-2 accumulator assembly (54, 56, 57, 104).
7. Inspect the 1-2 accumulator springs for cracks.