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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 18 (Automatic Transmission - 4L60-E/4L65-E/4L70-E - 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 Line Quick Connect Fitting .
  4. Remove the auxiliary oil cooler bolts (1) and push pins (2).
    Fig 1: Removing Auxiliary Oil Cooler Bolts And Push Pins
    GM711677Courtesy of GENERAL MOTORS CORP.
  5. Remove the auxiliary oil cooler from the vehicle.
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