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Home >> GMC >> 2005 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> Engine Mechanical >> Cooling System (Mechanical) >> Engine Cooling System >> Repair Instructions >> Coolant Pump - Starter/Generator Control Module Replacement >> Removal Procedure

Removal Procedure

    Fig 1: View Of SGCM Coolant Pump, Bolts & Radiator Core Support
    GM1206679Courtesy of GENERAL MOTORS CORP.
  1. Drain the starter/generator control module (SGCM) cooling system. Refer to Draining and Filling Cooling System - Starter/Generator Control Module .
  2. Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement in Engine Controls - 5.3L.
  3. Remove the push pin from the right side radiator air baffle.
  4. Remove the bolts (2) from the SGCM coolant pump (1).
  5. Reposition the SGCM coolant pump (1) from the radiator core support (3).
    6. Fig 2: View Of SGCM Coolant Pump & Electrical Connector
    GM1285623Courtesy of GENERAL MOTORS CORP.
  6. Disconnect the electrical connector (1) from the SGCM coolant pump (2).
    7. Fig 3: View Of SGCM Coolant Pump, Outlet Hose Clamp & Hose
    GM1206677Courtesy of GENERAL MOTORS CORP.
  7. Reposition the SGCM coolant pump outlet hose clamp (2) from the SGCM coolant pump (1).
  8. Remove the SGCM coolant pump outlet hose (3) from the SGCM coolant pump (1).
    9. Fig 4: View Of Coolant Pump Inlet Hose, Clamp & Pump
    GM1206695Courtesy of GENERAL MOTORS CORP.
  9. Reposition the SGCM coolant pump inlet hose clamp (1) from the SGCM coolant pump (2).
  10. Remove the SGCM coolant pump inlet hose (4) from the SGCM coolant pump (2).
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