Accumulator: Service and Repair

3-4 ACCUMULATOR PISTON

REMOVAL
1. Remove valve body.
2. Compress 3-4 accumulator piston cover, then remove snap ring retainer.
3. Release cover slowly, then remove piston cover, return spring, and piston. Some models do not use a spring.
4. Remove seal from 3-4 accumulator cover and piston and inspect for damage and wear.

INSTALLATION
1. Install new seals on 3-4 accumulator cover, if necessary. Lubricate cover pocket of case with transmission fluid.
2. Install 3-4 accumulator piston and return spring into case, then the cover.
3. Compress cover using suitable tool, then install snap ring. Ensure cover is reseated snugly against snap ring.
4. Install valve body, filter, pan, and gasket. Refill transmission pan to proper fluid level.