Accumulator: Service and Repair

Removal Procedure





1. Raise and support the vehicle. Refer to Vehicle Lifting.
2. Drain the engine oil.
3. Remove the oil pan bolts, the oil pan and gasket. Refer to Oil Pan Replacement.
4. Remove the oil filter and seal. Refer to Oil Filter and Seal Replacement.
5. Remove the accumulator attaching bolts.





6. Remove the accumulator assembly.





7. Remove the 2-1 manual servo piston cover bolts.





8. Remove the 2-1 manual servo piston assembly and the filter.
9. Remove the seal.
10. Disassemble and inspect the accumulator and the 2-1 manual servo assemblies. Refer to Accumulator and 2-1 Manual Servo Replacement

Installation Procedure

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.





1. Install the 2-1 manual servo piston assembly seal.
2. Install the 2-1 manual servo piston assembly and the filter.





3. Install the 2-1 manual servo piston cover bolts.





4. Install the accumulator assembly.

Notice: Refer to Fastener Notice in Service Precautions.





5. Install the accumulator assembly attaching bolts.
Tighten the accumulator bolts and the 2-1 manual servo bolts to 27 Nm (20 ft. lbs.).
6. Install the new oil filter seal and the oil filter. Refer to Oil Filter and Seal Replacement.
7. Install the oil pan gasket, the oil pan and the oil pan bolts. Refer to Oil Pan Replacement.
8. Lower the vehicle.
9. Fill the transmission to the proper level. Refer to A/T Fluid/Filter Changing.
10. Inspect the oil pan gasket for leaks.