gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Accumulator, A/T|Service and Repair|Page 7783 > < Diagram Information and Instructions|Page 7779
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Accumulator: Service and Repair

Accumulator Assembly, Spacer Plate, and Gaskets

Special Tools

*

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   (See: Maintenance/Vehicle Lifting/Service and Repair) .
2. Remove the transmission oil pan and filter. Refer to Automatic Transmission Fluid and Filter Replacement   (See: Service and Repair/Removal

and Replacement) .

Note

The 1-2 accumulator can be removed without removing the control valve assembly.

3. Remove the control valve body. Refer to Control Valve Body Replacement   (See: Valve Body/Service and Repair/4L60-E/4L65-E/4L70-E -

Automatic Transmission) .

4. Remove the accumulator cover retaining bolts.
5. Remove the 1-2 accumulator cover assembly.
6. Disassemble the 1-2 accumulator. Refer to 1-2 Accumulator Disassemble   (See: Service and Repair/Overhaul) .

7. Remove the spacer plate support retaining bolts (77).

Note

Accumulator, A/T|Service and Repair|Page 7783 > < Diagram Information and Instructions|Page 7779