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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> Engine Mechanical >> Cooling System (Mechanical) >> Engine Cooling >> Repair Instructions >> Radiator Surge Tank Replacement >> Removal Procedure

Removal Procedure

    Fig 1: Surge Tank Components
    GM801110Courtesy of GENERAL MOTORS CORP.
  1. Drain the cooling system. Refer to Cooling System Draining and Filling (Static Fill)  or Cooling System Draining and Filling (Vac-N-Fill) .
  2. Reposition the surge tank inlet hose clamp (1) from the surge tank (2).
  3. Remove the surge tank inlet hose (6) from the surge tank (2).
  4. Reposition the surge tank outlet hose clamp (5) from the surge tank (2).
  5. Remove the surge tank outlet hose (3) from the surge tank (2).
    6. Fig 2: Identifying Surge Tank
    GM801109Courtesy of GENERAL MOTORS CORP.
  6. Remove the bolt (1) from the surge tank (4).
  7. Remove the nut (3) from the surge tank (4).
  8. If equipped disconnect the electrical connector from the low coolant level switch.
  9. Remove the surge tank (4) from the vehicle (5).
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