GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 1998 🢒 GMC C Pickup - 2WD 🢒 Transmission/Transaxle 🢒 Automatic Transmission - 4L60-E 🢒 Valve Body

Removal Procedure
  1. Remove the oil pan, gasket, and filter. Refer to Automatic Transmission Fluid and Filter Replacement .

    2. Object Number: 5443 Size: SH
  2. Disconnect the electrical connectors from the control valve body components.

    3. Object Number: 29454 Size: SH
  3. Remove the bolts securing the pressure switch to the control valve body.

    4. Object Number: 409065 Size: SH
  4. Remove the torque converter clutch solenoid bolts.

    5. Object Number: 409129 Size: SH
  5. Remove the retainer clip, torque converter clutch solenoid, and the O-ring.
  6. Remove the wiring harness bolts and let the wiring harness hang.

    7. Object Number: 13895 Size: SH
  7. Remove the manual shift detent spring bolt.
  8. Remove the manual shift detent spring assembly.
  9. Remove the remaining control valve body bolts.

    10. Object Number: 29460 Size: SH
  10. Remove the manual valve link and the control valve body from the transmission case.

Installation Procedure

    Object Number: 29460 Size: SH
  1. Install the manual valve link and the control valve body to the transmission case.

    2. Object Number: 7748 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.

  2. Install the remaining control valve body bolts.

    3. Tighten
    Tighten the bolts to 11 N·m (8 lb ft).

  3. Install the manual shift detent spring assembly.
  4. Install the manual shift detent spring bolt.

    5. Object Number: 409129 Size: SH
  5. Install the O-ring, torque converter clutch solenoid, and retainer clip.
  6. Install the wiring harness and bolts.

    7. Tighten
    Tighten the bolts to 11 N·m (8 lb ft).


    Object Number: 409065 Size: SH
  7. Install the torque converter clutch solenoid bolts.

    8. Tighten
    Tighten the bolts to 11 N·m (8 lb ft).


    Object Number: 29454 Size: SH
  8. Install the bolts securing the pressure switch to the control valve body.

    9. Tighten
    Tighten the bolts to 11 N·m (8 lb ft).


    Object Number: 7750 Size: SH
  9. Connect the electrical connectors to the control valve body components.
  10. Install the filter, gasket, and oil pan . Refer to Automatic Transmission Fluid and Filter Replacement .