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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1626 (Automatic Transmission - 4L80-E - Service & Replacement) >> Repair Instructions >> Transmission Fluid Cooler Hose/Pipe Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the grille assembly. Refer to GRILLE REPLACEMENT (OLD STYLE) or GRILLE REPLACEMENT (NEW STYLE GMC) or GRILLE REPLACEMENT (NEW STYLE CHEVROLET) .
  2. Remove the transmission fluid cooler hose from the Auxiliary oil cooler. Refer to Transmission Oil Cooler Line Quick Connect Fitting  
    Fig 1: Removing Transmission Fluid Cooler Hose From Auxiliary Oil Cooler
    G01952407Courtesy of GENERAL MOTORS CORP.
  3. Remove the transmission fluid cooler hose from the radiator. Refer to Transmission Oil Cooler Line Quick Connect Fitting  
    Fig 2: Removing Transmission Fluid Cooler Hose
    G01952408Courtesy of GENERAL MOTORS CORP.
  4. Raise the vehicle. Refer to LIFTING AND JACKING THE VEHICLE .
  5. Remove the engine protection shield. Refer to Engine Protection Shield Replacement in Frame and Underbody.
  6. Remove the transmission fluid cooler hoses from the transmission. Refer to Transmission Oil Cooler Line Quick Connect Fitting  
  7. Remove the transmission fluid cooler hoses from the retainer on the engine.
  8. Remove the transmission fluid cooler hoses from the vehicle.
    Fig 3: Removing Transmission Fluid Cooler Hoses
    G01952409Courtesy of GENERAL MOTORS CORP.
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