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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 19 (Automatic Transmission - ALLISON - Introduction (2 Of 2)) >> Repair Instructions >> Transmission Fluid Auxiliary Cooler Replacement >> Removal Procedure

Removal Procedure

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  1. Remove the front grill assembly. Refer to Grille Replacement (GMC) or Grille Replacement (Chevrolet) 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. Fig 1: Removing Auxiliary Oil Cooler Bolts And Push Pins
    GM711677Courtesy of GENERAL MOTORS CORP.
  5. Remove the auxiliary oil cooler bolts (1) and push pins (2).
  6. Remove the auxiliary oil cooler from the vehicle.