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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 196 (Engine Cooling System) >> Repair Instructions >> Radiator Surge Tank Outlet Hose/Pipe Replacement (4.8L, 5.3L, and 6.0L Engines) >> Installation Procedure

Installation Procedure

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    Fig 1: View Of Surge Tank Outlet Hose To Water Pump
    GM659180Courtesy of GENERAL MOTORS CORP.
  1. Install the surge tank outlet hose.
  2. Install the surge tank outlet hose to the water pump.
  3. Position the surge tank outlet hose clamp to the water pump.
    4. Fig 2: View Of Surge Tank Outlet Hose & Surge Tank
    GM659059Courtesy of GENERAL MOTORS CORP.
  4. Install the surge tank outlet hose (2) to the surge tank.
  5. Position the surge tank outlet hose clamp to the surge tank.
    6. Fig 3: View Of Outlet Hose To Heater & Blower Module (W/ RPO C36)
    GM687496Courtesy of GENERAL MOTORS CORP.
  6. If equipped with RPO C36 auxiliary heater, connect the surge tank outlet hose to the heater and blower module.
    7. Fig 4: View Of Outlet Hose To Heater & Blower Module (W/O RPO C36)
    GM687495Courtesy of GENERAL MOTORS CORP.
  7. If equipped without RPO C36 auxiliary heater, connect the surge tank outlet hose to the heater and blower module.

    Firmly push the hose onto the heater and blower module pipe until an audible click is heard.

    8. Fig 5: View Of Surge Tank/Heater Outlet Hose To Mounting Clip (W/ RPO C36)
    GM688023Courtesy of GENERAL MOTORS CORP.
  8. If equipped with RPO C36 auxiliary heater, install the surge tank/heater outlet hose (1) to the mounting clip.
    9. Fig 6: View Of Surge Tank/Heater Outlet Hose To Mounting Clip (W/O RPO C36)
    GM659127Courtesy of GENERAL MOTORS CORP.
  9. If equipped without RPO C36 auxiliary heater, install the surge tank/heater outlet hose (1) to the mounting clip.
    10. Fig 7: View Of Air Cleaner Outlet Duct
    GM832066Courtesy of GENERAL MOTORS CORP.
  10. Install the air cleaner outlet duct.
    11. Fig 8: View Of Throttle Body End Arrow & Throttle Body Attaching Stud (4.8L, 5.3L, and 6.0L Engines)
    GM832068Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
  11. Align the arrow at the throttle body end of the duct with the throttle body attaching stud.
  12. Tighten the air cleaner outlet duct clamps at the following locations:
    • Throttle body
    • MAF/IAT sensor

      Tighten:  Tighten the clamps to 7 N.m (62 lb in).

  13. Fill the cooling system. Refer to Cooling System Draining and Filling (Static Fill) .
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