GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2006 🢒 GMC Sierra Denali 🢒 Transmission/Transaxle 🢒 Automatic Transmission - Allison 🢒 Transmission Fluid Auxiliary Cooler Replacement

Removal Procedure

    Object Number: 711677 Size: SH
  1. Remove the front grill assembly. Refer to Grille Replacement .
  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: Refer to Fastener Notice in the Preface section.

  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 .
  5. Check and add transmission fluid as necessary.