LEMON Manuals: Even more car manuals for everyone
Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 92 (Heating, Ventilation, And Air Conditioning) >> Repair Instructions >> Heater Hose Replacement - Outlet >> Installation Procedure

Installation Procedure

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2007 GMC Yukon XL, 2007 GMC Yukon, 2007 Chevrolet Tahoe, 2007 Chevrolet Suburban, and 2007 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Inlet & Outlet Heater Hoses (LR4, LM7, LQ4)
    GM363118Courtesy of GENERAL MOTORS CORP.
  1. Install the outlet heater hose.
  2. Fig 2: View Of Heater Hose To Engine
    GM363237Courtesy of GENERAL MOTORS CORP.
  3. Install the outlet heater hose to the water pump.
  4. Install the outlet heater hose to the surge tank.
  5. Install the outlet heater hose clamp to the surge tank.
  6. Fig 3: Connecting Quick-Connect Fittings
    GM21855Courtesy of GENERAL MOTORS CORP.
  7. Connect the heater and surge tank hoses to the heater core.
  8. IMPORTANT: Firmly push the quick connect onto the heater core hose until you hear an audible click.
  9. Pull the heater outlet hose to ensure the connection.
  10. Install the heater and surge tank hoses to the mounting clip.
  11. Install the air intake tube.
  12. Fill the cooling system. Refer to Draining and Filling Cooling System .