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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 866 (Heating, Ventilation And Air Conditioning) >> Repair Instructions >> Heater Hose Replacement - Inlet >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2003 Pontiac Aztek and 2003 Buick Rendezvous. 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 .
  2. Remove the wiper motor module assembly. Refer to WIPER MOTOR MODULE REPLACEMENT .
  3. Disconnect the vacuum hose from the brake booster and reposition.
  4. Remove the air cleaner cover and intake tube.
    Fig 1: Removing Procedure Heater Hose
    G01498921Courtesy of GENERAL MOTORS CORP.

    Important:  Disconnect the throttle and cruise control cables from the TBI mounting bracket to prevent bending the cable housings.

  5. Disconnect the throttle and cruise control cables.
  6. Remove the transmission fluid filler tube. Refer to FLUID FILLER TUBE REPLACEMENT .
  7. Disconnect the inlet heater hose (1) from the inlet heater pipe (2).
  8. Disconnect the heater hose clamp using the J 38185  .
  9. Disconnect the inlet heater hose from the heater core.
  10. Remove the inlet heater hose.
    Fig 2: Removing Inlet Heater Hose.
    G01498922Courtesy of GENERAL MOTORS CORP.
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