GM Service Manual Online
For 1990-2009 cars only

Control Valve Body Cover Replacement W/ Gasket

Removal Procedure

  1. Disconnect the negative battery cable. Refer to

    Caution: Unless directed otherwise, the ignition and start switch must be in the OFF or LOCK position, and all electrical loads must be OFF before servicing any electrical component. Disconnect the negative battery cable to prevent an electrical spark should a tool or equipment come in contact with an exposed electrical terminal. Failure to follow these precautions may result in personal injury and/or damage to the vehicle or its components.

    in General Information.
  2. Remove the park/neutral position switch. Refer to Park/Neutral Position Switch Replacement .
  3. Raise the vehicle. Support the vehicle. Refer to General Vehicle Lifting and Jacking in General Information.
  4. Remove the left front tire and wheel assembly. Refer to Wheel Removal in Tires and Wheels.
  5. Remove the inner splash shield.
  6. Remove the tie rod end from the knuckle assembly. Refer to Stabilizer Shaft and Link in Front Suspension.
  7. Remove the stabilizer shaft link from the lower control arm. Refer to Stabilizer Shaft and Link in Front Suspension.
  8. Remove the ball joint from the steering knuckle. Refer to Ball Joint in Front Suspension.
  9. Remove the drive axle from the transmission. Refer to Drive Axle in Drive Axle On-Vehicle Service.
  10. Remove the pinch bolt from the steering gear intermediate shaft.
  11. Caution: Failure to disconnect the intermediate shaft from the rack and pinion steering gear stub shaft can result in damage to the steering gear or to the intermediate shaft. This damage may cause loss of steering control, which could result in an accident and possible personal injury.

  12. Remove the intermediate shaft from the steering gear.
  13. Position a transmission jack under the transmission oil pan. Raise the jack until the jack supports the transmission.
  14. Remove the three frame-to-body bolts on the left side.
  15. Lower the transmission jack and the transmission in order to gain access to the case side cover.
  16. Remove the oil cooler pipes at the case. Refer to Automatic Transmission Oil Cooler Pipes Replacement .

  17. Object Number: 97369  Size: SH
  18. Remove the case side cover bolts.

  19. Object Number: 97371  Size: SH
  20. Remove the case side cover.
  21. Clean the case and side cover gasket surfaces.

Installation Procedure


    Object Number: 97371  Size: SH
  1. Install the new gaskets on the case.
  2. Install the case side cover.

  3. Object Number: 97369  Size: SH
  4. Install the new side cover bolts.
  5. Tighten
    Tighten the side cover bolts to 11 N·m (98 lb in).

    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.

  6. Install the oil cooler pipes to the transmission. Refer to Automatic Transmission Oil Cooler Pipes Replacement .
  7. Raise the transmission so that the frame bolts can be installed.
  8. Install the three frame-to-body bolts.
  9. Tighten
    Tighten the bolts to 112 N·m (83 lb ft).

  10. Remove the transmission jack.
  11. Install the intermediate shaft to the steering gear.
  12. Install the pinch bolt at the intermediate shaft.
  13. Install the drive axle to the transmission. Refer to Drive Axle in Drive Axle On-Vehicle Service.
  14. Install the ball joint to the steering knuckle. Refer to Ball Joint in Front Suspension.
  15. Remove the drive axle seal protectors.
  16. Install the stabilizer shaft link to the lower control arm. Refer to Stabilizer Shaft and Link in Front Suspension.
  17. Install the tie rod end to the knuckle. Refer to Stabilizer Shaft and Link in Front Suspension.
  18. Install the inner splash shield.
  19. Install the left front tire and the wheel assembly. Refer to Wheel Installation in Tires and Wheels.
  20. Lower the vehicle.
  21. Install the park/neutral position switch. Refer to Park/Neutral Position Switch Replacement .
  22. Connect the negative battery cable.
  23. Inspect for leaks.
  24. Check the fluid level.