Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

1-2 Accumulator




1-2 Accumulator

Removal

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

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