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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 637 (Heating, Ventilation And Air Conditioning) >> Repair Instructions >> Heater Hose Replacement - Inlet (L35) >> 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.
  2. Remove the air intake tube.
  3. Using the J 43181  disconnect the heater hose from the heater core inlet.
    1. 3.1. Install the J 43181  to the heater core pipe.
    2. 3.2. Close the tool around the heater core pipe.
    3. 3.3. Firmly pull the tool into the quick connect end of the heater hose.
    4. 3.4. Firmly grasp the heater hose. Pull the heater hose forward in order to disengage the hose from the heater core.
    4. Fig 1: Disconnecting Heater Hose From Heater Core Inlet
    G01666558Courtesy of GENERAL MOTORS CORP.
  4. Reposition the inlet heater hose clamp from the engine.
  5. Remove the inlet heater hose from the engine.
    Fig 2: Inlet Heater Hose At Engine
    G01666559Courtesy of GENERAL MOTORS CORP.
  6. Remove the inlet heater hose mounting bolt.
    7. Fig 3: Inlet Heater Hose Mounting Bolt
    G01666560Courtesy of GENERAL MOTORS CORP.
  7. Remove the inlet heater hose from the engine.
  8. Remove the inlet heater hose.
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