LEMON Manuals: Even more car manuals for everyone
Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 186 (Heating, Ventilation, And Air Conditioning) >> Repair Instructions >> Auxiliary Heater Pipe Replacement >> Removal Procedure

Removal Procedure

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Quick Connect Fitting Release Tabs (Plastic Collar)
    GM12777Courtesy of GENERAL MOTORS CORP.
  1. Drain the cooling system. Refer to Cooling System Draining and Filling (Static Fill) .
  2. Squeeze the plastic retainer tabs on the inlet hose.
    3. Fig 2: Pulling Connection Apart (Plastic Collar)
    GM12778Courtesy of GENERAL MOTORS CORP.
  3. Pull the connection apart.
    4. Fig 3: View Of Quick Connect Fitting Release Tabs (Plastic Collar)
    GM12777Courtesy of GENERAL MOTORS CORP.
  4. Squeeze the plastic retainer tabs on the outlet hose.
    5. Fig 4: Pulling Connection Apart (Plastic Collar)
    GM12778Courtesy of GENERAL MOTORS CORP.
  5. Pull the connection apart.
    6. Fig 5: View Of Auxiliary Heater Pipes At Heater Inlet & Outlet Tees
    GM612571Courtesy of GENERAL MOTORS CORP.
  6. Remove the auxiliary heater pipes (1, 2) from the heater inlet and outlet tees (3, 4) at the HVAC module.
  7. Remove the vehicle right assist step. Refer to Assist Step Replacement (Z71) or Assist Step Replacement (Power) or Assist Step Replacement (Chevrolet HP2) or Assist Step Replacement (GMC Denali XL) .

    Remove both of the right tires. Refer to Tire and Wheel Removal and Installation .

  8. Remove the right rear wheelhouse panel. Refer to Rear Wheelhouse Panel Liner Replacement (RPO X88 Chevrolet, RPO O88 GMC) or Rear Wheelhouse Panel Liner Replacement (RPO HP2) .
  9. Remove the right front wheelhouse panel. Refer to Front Wheelhouse Liner Replacement - Right Side .
    10. Fig 6: View Of Auxiliary Heater Pipes
    GM612548Courtesy of GENERAL MOTORS CORP.
  10. Remove the auxiliary heater pipes (2, 3) from the auxiliary heater core.
    11. Fig 7: View Of Auxiliary Heater Pipes, Clamps & Heater/A/C Tubes Retaining Nut & Stud
    GM691870Courtesy of GENERAL MOTORS CORP.
  11. Remove the heater/A/C tubes retaining nut (4) from the stud (1) at the frame (6).
  12. Remove the auxiliary heater pipes (2) from the clamps (5).
  13. Remove the auxiliary heater pipes from the vehicle.
scientia non olet · About LEMON Manuals