GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2004 🢒 Savana 🢒 Transmission/Transaxle 🢒 Automatic Transmission - 4 Speed-M41 🢒 Valve Bdy, Accums, Solenoid Wiring Harness Inst

Installation Procedure

    Object Number: 153974 Size: SH
  1. Lubricate a new TV cable O-ring (1) with A/T fluid.
  2. Install the new O-ring to the TV cable (2).
  3. Install the TV cable to the transmission case (3).
  4. Measure the accumulator piston outer diameter and accumulator spring length before installation. Refer to Accumulator Piston and Spring Specifications . Replace as necessary.

    5. Object Number: 153975 Size: SH
  5. Lubricate the following components with A/T fluid:
    6. • The new piston O-rings
    • The accumulator springs
  6. Install the new O-rings to the accumulator pistons (1,3,4).
  7. Install the accumulator springs.

    8. Object Number: 153976 Size: SH
  8. Install the accumulator pistons to the transmission case (1,2,3).
  9. Install the valve body to the transmission case.
  10. Slowly lift the valve body in order to install the TV cable to the cam.
  11. Inspect that the accumulator pistons are fully seated.

    12. Object Number: 153978 Size: SH
  12. Match the manual shift lever pin (1) with the manual valve groove.

    13. Object Number: 469471 Size: SH
  13. Use 14 valve body bolts of the following lengths:
    14. • 60.0 mm (2.36 in) bolt
    • 47.0 mm (1.85 in) bolts
    • 30.0 mm (1.18 in) bolts
    • 25.0 mm (0.98 in) bolt

    Object Number: 153981 Size: SH

    Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  14. Install the 14 valve body bolts according to the following lengths:
    15. • 10 30.0 mm (1.18 in) bolts (1)
    • 2 47.0 mm (1.85 in) bolts (2)
    • 1 25.0 mm (0.98 in) bolt (3)
    • 1 60.0 mm (2.36 in) bolt (4)

    Tighten
    Tighten all valve body bolts to 10 N·m (89 lb in).

  15. Lubricate a new solenoid wiring harness grommet O-ring with A/T fluid.
  16. Install the new O-ring to the solenoid wiring harness grommet.
  17. Install the solenoid wiring harness to the transmission case.
  18. Install the solenoid wiring harness bolt. Refer to Accumulator Piston and Spring Specifications .