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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 504 (Automatic Transmission - 6L80/6L90 - Repair Instructions - On Vehicle) >> Repair Instructions - On Vehicle >> Transmission Fluid Auxiliary Cooler Replacement >> Removal Procedure

Removal Procedure

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 GMC Yukon XL, 2012 GMC Yukon, 2012 Chevrolet Tahoe, 2012 Chevrolet Suburban, and 2012 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Auxiliary Oil Cooler Bolts & Push Pins
    GM711677Courtesy of GENERAL MOTORS COMPANY
  1. Remove the front grill assembly. Refer to Fascia Grille Replacement (Z71) , Fascia Grille Replacement (Escalade) , Fascia Grille Replacement (GMC Denali XL) , Fascia Grille Replacement (Suburban, Tahoe) , Fascia Grille Replacement (GMC Yukon Hybrid 2 Mode) , Fascia Grille Replacement (Yukon) .
  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 Quick-Connect Fitting Disconnection and Connection .
  4. Remove the auxiliary oil cooler bolts (1) and push pins (2).
  5. Remove the auxiliary oil cooler from the vehicle.
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