GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2002 🢒 GMC C Sierra - 2WD 🢒 Engine 🢒 Engine Electrical 🢒 Transmission Fluid Auxiliary Cooler Replacement

Removal Procedure

    Object Number: 711677 Size: SH
  1. Remove the front grill assembly. Refer to Grille Replacement in Exterior Trim.
  2. Place a drain pan under the vehicle.
  3. Disconnect the transmission oil cooler lines from the auxiliary cooler. Refer to Transmission Fluid Cooler Hose/Pipe Replacement .
  4. Remove the auxiliary oil cooler bolts (1) and push pins (2).
  5. Remove the auxiliary oil cooler from the vehicle.

Installation Procedure

    Object Number: 711677 Size: SH
  1. Install the auxiliary oil cooler to the vehicle.

    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 bolts (1) and the push pins (2) that retain the auxiliary oil cooler to the radiator brace.

    3. Tighten
    Tighten the bolts to 12 N·m (106 lb in).

  3. Connect the transmission oil cooler lines to the auxiliary cooler. Refer to Transmission Fluid Cooler Hose/Pipe Replacement .
  4. Install the front grill assembly. Refer to Grille Replacement in Exterior Trim.
  5. Fill the transmission to the proper level with Dexron® III transmission fluid. Refer to Transmission Fluid Check .