GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Geo 🢒 1997 🢒 Tracker - 2WD 🢒 Engine 🢒 Engine Controls - 1.6L 🢒 Valve Body and Accumulator Pistons Removal

    Object Number: 166191 Size: SH
  1. Remove the fluid pan and the gasket (2). Refer to Automatic Transmission Fluid and Filter Replacement .

    2. Object Number: 166721 Size: SH
  2. Remove the TV cable (3) from the transmission case (2).
  3. Remove the electrical connectors from the torque convertor (TCC) solenoid and the shift solenoid assembly.

    4. Object Number: 166373 Size: SH
  4. Remove the fifteen bolts that attach the valve body (1) to the transmission case.

    5. Object Number: 166379 Size: SH
  5. Lift the valve body slowly and disconnect the TV cable (3) and the TV cable cam (2). Remove the valve body from the transmission case.
  6. Remove the one bolt and the solenoid wiring harness from the transmission case.

    7. Object Number: 166396 Size: SH
  7. Cover the accumulators with a clean cloth.
  8. Apply low compressed air slowly to the fluid passages until the air pressure forces the following items out of the case bores:
    9. • The second brake accumulator
    • The direct clutch accumulator
    • The forward clutch accumulator
  9. Inspect the accumulator pistons for the following:
    10. • Cracks
    • Scarring
    • Damage
  10. Inspect the accumulator springs for the following:
    11. • Weakness
    • Cracks
    • Damage
  11. Inspect the piston seals for the following:
    12. • Cuts
    • Damage
  12. Inspect the accumulator case bores for the following:
    13. • Scars
    • Nicks
    • Pitting