1-2 Accumulator

4R70E/4R75E

1-2 Accumulator

Removal

1. With the vehicle in NEUTRAL, position it on a hoist.

2. Drain transmission fluid and remove the transmission fluid pan and transmission fluid filter. For additional information, refer to Fluid Pan, Gasket and Filter 4R70E/4R75E.

3. Compress the 1-2 accumulator cover and remove the accumulator piston retaining ring.





4. NOTE: Note the location of the 1-2 accumulator springs for reference during assembly.

Remove the 1-2 accumulator.

1. Remove the 1-2 accumulator cover.

2. Remove the nested bottom inner and outer 1-2 accumulator springs.

3. Remove the accumulator piston.

4. Remove the upper 1-2 accumulator spring.





Installation

1. Install the 1-2 accumulator.

1. Install the 1-2 accumulator upper spring.

2. Install the accumulator piston.

3. Install the nested bottom inner and outer 1-2 accumulator springs.

4. Install the cover and seal assembly.





2. Compress the 1-2 accumulator springs and install the accumulator piston retaining ring.





3. Install the transmission fluid pan and transmission fluid filter. For additional information, refer to Fluid Pan, Gasket and Filter 4R70E/4R75E.