LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1008 (Heating, Ventilation And Air Conditioning - Gas) >> Repair Instructions >> Heater Hose Replacement - Inlet (W/ HP2 Rear) >> 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 (with HP2) or Draining and Filling Cooling System (without HP2) in Engine Cooling.
    Fig 1: Identifying Heater Hose To Heater Core Fittings
    GM362171Courtesy of GENERAL MOTORS CORP.
  2. Using the J 43181  disconnect the heater hose from the heater core inlet.
    1. Install the J 43181  to the heater core pipe.
    2. Close the tool around the heater core pipe.
    3. Firmly pull the tool into the quick connect end of the heater hose.
    4. Firmly grasp the heater hose. Pull the heater hose forward in order to disengage the hose from the heater core.
    3. Fig 2: Inlet Heater Hose And Auxiliary Water Pump (W/ HP2 Rear)
    GM1206678Courtesy of GENERAL MOTORS CORP.
  3. Reposition the inlet heater hose clamp (2) from the auxiliary water pump (1).
  4. Remove the inlet heater hose (3) from the auxiliary water pump (1).
scientia non olet · About LEMON Manuals