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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 800 (Engine Cooling System) >> Repair Instructions >> Surge Tank Hose/Pipe Replacement - Outlet (4.8L, 5.3L, and 6.0L Engines) >> Removal Procedure

Removal Procedure

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  1. Drain the cooling system. Refer to DRAINING AND FILLING COOLING SYSTEM  .
  2. Loosen the air cleaner outlet duct clamps at the following locations:
    • Throttle body
    • Mass airflow/intake air temperature (MAF/IAT) sensor
  3. Remove the air cleaner outlet duct.
    Fig 1: Removing Air Cleaner Outlet Duct
    G02117671Courtesy of GENERAL MOTORS CORP.
  4. If equipped without regular production option (RPO) C36 auxiliary heater, remove the surge tank/heater outlet hose (1) from the mounting clip.
    Fig 2: Removing Surge Tank/Heater Outlet Hose From Mounting Clip
    G02117672Courtesy of GENERAL MOTORS CORP.
  5. If equipped with RPO C36 auxiliary heater, remove the surge tank/heater outlet hose (1) from the mounting clip.
    Fig 3: Removing Surge Tank/Heater Outlet Hose From Mounting Clip
    G02117673Courtesy of GENERAL MOTORS CORP.
  6. Install the J 43181  to the surge tank outlet hose (black connector).
  7. Close the J 43181  around the surge tank outlet hose.
  8. Firmly pull the J 43181  into the quick connect end of the outlet hose.
    Fig 4: Pulling Quick Connect End Of Outlet Hose
    G02117674Courtesy of GENERAL MOTORS CORP.
  9. If equipped without RPO C36 auxiliary heater, firmly grasp the outlet hose. Pull the outlet hose in order to disengage the hose from the heater and blower module.
    Fig 5: Pulling Left Outlet Hose In Order To Disengage Hose From Heater And Blower Module
    G02117675Courtesy of GENERAL MOTORS CORP.
  10. If equipped with RPO C36 auxiliary heater, firmly grasp the outlet hose. Pull the outlet hose in order to disengage the hose from the heater and blower module.
    Fig 6: Pulling Right Outlet Hose In Order To Disengage Hose From Heater And Blower Module
    G02117676Courtesy of GENERAL MOTORS CORP.
  11. Reposition the surge tank outlet hose clamp at the surge tank.
  12. Remove the surge tank outlet hose (2) from the surge tank.
    Fig 7: Removing Surge Tank Outlet Hose From Surge Tank
    G02117677Courtesy of GENERAL MOTORS CORP.
  13. Reposition the surge tank outlet hose clamp at the water pump.
  14. Remove the surge tank outlet hose from the water pump.
  15. Remove the surge tank outlet hose.
    Fig 8: Removing Surge Tank Outlet Hose From Water Pump
    G02117678Courtesy of GENERAL MOTORS CORP.
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