For 1990-2009 cars only
Removal Procedure
- Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
- Remove the oil filter. Refer to Automatic Transmission Fluid Filter and Seal Replacement .
- Remove the accumulator attaching bolts.
- Remove the 2-1 manual servo piston cover bolts.
- Unclip the pipe from the transmission case.
- Remove the accumulator assembly.
- Remove the 2-1 manual servo piston assembly and the filter.
- Remove the seal.
- Disassemble and inspect the accumulator and the 2-1 manual servo assemblies for foreign debris and clean as necessary.
Installation Procedure
- Install the 2-1 manual servo piston assembly seal.
- Install the 2-1 manual servo piston assembly and the filter.
- Install the accumulator assembly.
- Install the 2-1 manual servo piston cover bolts.
- Install the accumulator assembly attaching bolts.
- Install the new oil filter seal and the oil filter. Refer to Automatic Transmission Fluid Filter and Seal Replacement .
- Install the oil pan gasket, the oil pan and the oil pan bolts. Refer to Oil Pan Replacement .
- Lower the vehicle.
- Fill the transmission to the proper level. Refer to Transmission Fluid Check .
- Inspect the oil pan gasket for leaks.
- Reset the TAP values. Refer to Adapt Function .
Important: The seal must be installed as shown. If it is not installed, or is installed in the wrong location, the transmission will operate only in reverse.
Notice: Refer to Fastener Notice in the Preface section.
Tighten
Tighten the accumulator bolts and the 2-1 manual servo bolts to 12 N·m (106 lb in).
Important: It is recommended that transmission adaptive pressure (TAP) information be reset.
Resetting the TAP values using a scan tool will erase all learned values in all cells. As a result, The ECM, PCM or TCM will need to relearn TAP values. Transmission performance may be affected as new TAP values are learned.