Envoy 2WD L6-4.2L (2008)
Accumulator: Service and Repair
Accumulator Assembly, Spacer Plate, and Gaskets
Tools Required
*
J 25025-B Pump and Valve Body Alignment Pin Set
*
J 36850 Transjel Lubricant
Removal Procedure
1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
2. Remove the transmission oil pan and 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 control valve assembly.
3. Remove the control valve body. Refer to Valve Body and Pressure Switch Replacement (See: Valve Body/Service and Repair) .
4. Remove the accumulator cover retaining bolts.
5. Remove the 1-2 accumulator cover assembly.
6. Disassemble the 1-2 accumulator.
1. Blow compressed air into the 1-2 accumulator cover, as shown, to remove the 1-2 accumulator piston.
2. Remove the 1-2 accumulator inner and outer springs.
7. Inspect the 1-2 accumulator inner and outer springs for cracks.
