GM Service Manual Online
For 1990-2009 cars
Makes 🢒 Chevrolet 🢒 2004 🢒 C-Series Medium Duty Truck C6/7/8 - Mexico 🢒 Transmission/Transaxle 🢒 Clutch 🢒 Release Bearing Replacement

Removal Procedure

    Object Number: 794034 Size: SH
  1. Remove the transmission. Refer to Transmission Replacement in Manual Transmission - Medium Duty.
  2. If equipped with the 8.1L engine, with regular production options (RPOs) MM7/MPJ/MWX, remove the clutch fork and release bearing.

    3. Object Number: 794031 Size: SH
  3. If equipped with RPO MWW without MXD, remove the release bearing.

    4. Object Number: 794000 Size: SH
  4. If equipped with RPOs MWW and MXD, remove the release bearing and lub hose.
  5. Remove the lub hose from the release bearing, if necessary.

Installation Procedure

    Object Number: 794000 Size: SH
  1. Remove the release bearing fitting (5) from the new release bearing, if necessary.

    2. 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 lub hose (1) to the release bearing, if necessary.

    3. Tighten
    Tighten the lub hose to 13 N·m (115 lb in).

  3. Install the release bearing fitting (5) to the lub hose, if necessary.

    4. Tighten
    Tighten the release bearing fitting to 13 N·m (115 lb in).

  4. If equipped with RPOs MWW and MXD, install the release bearing and lub hose.

    5. Object Number: 794031 Size: SH
  5. Apply lubricant GM P/N 12378484 or equivalent to the release bearing (1).
  6. If equipped with RPO MWW without MXD, install the release bearing.

    7. Object Number: 794034 Size: SH
  7. Apply lubricant GM P/N 12378484 or equivalent to the release bearing (1).
  8. If equipped with the 8.1L engine with RPOs MM7/MPJ/MWX, install the clutch fork and release bearing.
  9. Install the transmission. Refer to Transmission Replacement in Manual Transmission - Medium Duty.