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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1003 (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 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 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 and Filling Cooling System (without HP2) .
  2. Separate the MAF/IAT sensor assembly and the air inlet tube by loosening the hose clamp.
  3. Disconnect the PCV hose from the air cleaner outlet duct.
    4. Fig 1: View Of Air Cleaner Outlet Duct Clamp
    GM360851Courtesy of GENERAL MOTORS CORP.
  4. Remove the air inlet tube and resonator retaining wing nut.
    5. Fig 2: View Of Air Cleaner Adapter Nut
    GM489179Courtesy of GENERAL MOTORS CORP.
  5. 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.
    6. Fig 3: View Of Air Cleaner Outlet Duct
    GM489176Courtesy of GENERAL MOTORS CORP.
    Fig 4: View Of Radiator & Inlet Hose (4.3L Engine)
    GM366998Courtesy of GENERAL MOTORS CORP.
  6. Remove the radiator inlet hose from the support.
  7. Remove the radiator inlet hose from the radiator.
  8. Remove the radiator inlet hose from the thermostat housing.
    9. Fig 5: View Of Radiator Inlet Hose & Thermostat Housing (4.3L Engine)
    GM367002Courtesy of GENERAL MOTORS CORP.
  9. Remove the radiator inlet hose.
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