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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 688 (Engine Cooling System) >> Repair Instructions >> Radiator Hose Replacement - Inlet (4.3L Engine) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2002 GMC Sierra, 2002 GMC Cab & Chassis Sierra, 2002 Chevrolet Silverado, and 2002 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Drain the cooling system. Refer to Draining & Filling Cooling System .
  2. Separate the MAF/IAT sensor assembly and the air inlet tube by loosening the hose clamp.
  3. Fig 1: Air Inlet Tube
    G01657927Courtesy of GENERAL MOTORS CORP.
  4. Disconnect the PCV hose from the air cleaner outlet duct.
  5. Remove the air inlet tube and resonator retaining wing nut.
    Fig 2: Air Inlet Tube & Resonator Retaining Wing Nut
    G01657928Courtesy of GENERAL MOTORS CORP.
  6. Remove the air inlet tube and resonator from the throttle body by pivoting the air inlet tube and resonator upward until the hinge clip releases from the lip on the throttle body.
  7. Remove the radiator inlet hose from the support.
  8. Remove the radiator inlet hose from the radiator.
    Fig 3: Radiator Inlet Hose From Radiator
    G01657930Courtesy of GENERAL MOTORS CORP.
  9. Remove the radiator inlet hose from the thermostat housing.
  10. Fig 4: Radiator Inlet Hose From Thermostat Housing
    G01657931Courtesy of GENERAL MOTORS CORP.
  11. Remove the radiator inlet hose.