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Home >> GMC >> 2006 >> Sierra 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1613 (Automatic Transmission - ALLISON - Repair Instructions - On Vehicle) >> Repair Instructions - On Vehicle >> Transmission Fluid Auxiliary Cooler Replacement (LMM Diesel) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Transmission Fluid Auxiliary Cooler
    GM2043518Courtesy of GENERAL MOTORS CORP.
  1. Remove the radiator grille. Refer to Radiator Grille Replacement (Chevrolet) or Radiator Grille Replacement (GMC) or Radiator Grille Replacement (Chevrolet HD) or Radiator Grille Replacement (GMC HD) .
  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).
  5. Remove the auxiliary oil cooler from the vehicle (2).
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