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 840 (Heating, Ventilation And Air Conditioning) >> Repair Instructions >> Heater Hose Replacement - Outlet (Avalanche/Xlt LR4, LM7, LQ4) >> Removal Procedure

Removal Procedure

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2003 GMC Yukon XL, 2003 GMC Yukon, 2003 Chevrolet Tahoe, 2003 Chevrolet Suburban, and 2003 Chevrolet Avalanche. 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 in Engine Cooling.
  2. Remove the air intake tube.
  3. Remove the heater and surge tank hose from the mounting clip.
  4. Using the J 43181  disconnect the heater hose from the heater core outlet.
    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.
  5. Remove the outlet heater hose from the engine.
    Fig 1: Disconnecting Heater Hoses From Heater Core Outlet Using J 43181
    G01454315Courtesy of GENERAL MOTORS CORP.
    Fig 2: Removing Outlet Heater Hose From Engine
    G01454316Courtesy of GENERAL MOTORS CORP.
  6. Remove the outlet heater hose.
    Fig 3: Removing Outlet Heater Hose
    G01454317Courtesy of GENERAL MOTORS CORP.
scientia non olet · About LEMON Manuals