gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

4L60-E/4L65-E/4L70-E - Automatic Transmission|Page 4739 > < Diagram Information and Instructions|Page 4734
Page 1
background image

Accumulator: Service and Repair
4L60-E/4L65-E/4L70-E - Automatic Transmission

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:  Use care not to drop the following items that will be removed along with the spacer plate:

4L60-E/4L65-E/4L70-E - Automatic Transmission|Page 4739 > < Diagram Information and Instructions|Page 4734