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Home >> Cadillac >> 2003 >> Seville SLS >> Repair and Diagnosis >> External Pages >> Different car >> Section 522 (Engine Cooling System) >> Repair Instructions >> Water Pump Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2004 Cadillac Seville. However, it is still accessible from the selected car via links, so may be relevant.
  1. Drain the cooling system. Refer to Draining and Filling Cooling System .
  2. Remove the upper filler panel. Refer to Filler Panel Replacement - Upper in Body Front End.
  3. Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement in Engine Controls - 4.6L.
  4. Remove the oil level indicator tube nut.
    5. Fig 1: Identifying Water Pump Belt Shield Fasteners
    GM500271Courtesy of GENERAL MOTORS CORP.
  5. Remove the water pump belt shield fasteners.

    Remove the water pump belt shield.

    6. Fig 2: View of Water Pump Drive Belt
    GM52983Courtesy of GENERAL MOTORS CORP.
  6. Remove the water pump drive belt (4).
    7. Fig 3: View of Radiator Outlet Hose
    GM71141Courtesy of GENERAL MOTORS CORP.
  7. Position the J 38185  to the clamp in order to remove the radiator outlet hose from the thermostat housing.
    8. Fig 4: Identifying Water Pump Cover Bolts
    GM69918Courtesy of GENERAL MOTORS CORP.
  8. Remove the water pump cover bolts.
  9. Remove the water pump cover.
  10. Disconnect the heater return hose.
    11. Fig 5: Identifying J 38816-A
    GM637030Courtesy of GENERAL MOTORS CORP.
  11. Position the J 38816-A  to the water pump locking ears.
  12. Fasten the support plate to the water housing crossover, to ensure proper engagement of the tool to the water pump locking ears.
  13. Using the J 38816-A  , turn the pump clockwise in order to remove the pump from the housing.
  14. Remove the support plate from the water housing crossover.
    15. Fig 6: View of Water Pump Seal
    GM69917Courtesy of GENERAL MOTORS CORP.
  15. Remove the water pump from the vehicle.
  16. Remove the seal from the water crossover.
  17. Clean the sealing surfaces of the water housing crossover and the pump cover.
  18. Clean and inspect the water pump. Refer to Water Pump Cleaning and Inspection in Engine Mechanical 4.6L.
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