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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 - Outlet (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. Separate the MAF/IAT sensor assembly and the air inlet tube by loosening the hose clamp.
    2. Fig 1: Air Inlet Tube
    G01657951Courtesy of GENERAL MOTORS CORP.
  2. Disconnect the PCV hose from the air cleaner outlet duct.
  3. Remove the air inlet tube and resonator retaining wing nut.
    Fig 2: Air Inlet Tube & Resonator Retaining Wing Nut
    G01657952Courtesy of GENERAL MOTORS CORP.
  4. 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.
  5. Drain the cooling system. Refer to Draining & Filling Cooling System .
  6. Remove the radiator outlet hose from the surge tank.
  7. Remove the radiator outlet hose from the water pump.
    Fig 3: Radiator Outlet Hose From Water Pump
    G01657954Courtesy of GENERAL MOTORS CORP.
  8. Remove the radiator outlet hose from the radiator.
    Fig 4: Radiator Outlet Hose From Radiator
    G01657955Courtesy of GENERAL MOTORS CORP.
  9. Remove the radiator outlet hose.
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