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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 634 (Engine Cooling System) >> Repair Instructions >> Surge Tank Hose/Pipe Replacement - Outlet (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, Heater, & Blower Module
    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, Heater, & Blower Module
    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
    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
    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 (W/HP2 Front)
    GM307286Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Align the arrow at the throttle body end of the duct with the throttle body attaching stud.
  10. Install the air cleaner outlet duct.
  11. Tighten the air cleaner outlet duct clamps at the following locations:
    • Throttle body
    • MAF/IAT sensor

      Tighten:  Tighten the air cleaner outlet duct clamp screws to 7 N.m (62 lb in).

  12. Fill the cooling system. Refer to Draining and Filling Cooling System .
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