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Home >> Cadillac >> 2003 >> DeVille Base >> Repair and Diagnosis >> Engine Mechanical >> Cooling System (Mechanical) >> Engine Cooling System >> Repair Instructions >> Water Pump Replacement >> Installation Procedure

Installation Procedure

  1. Insert the seal into the recessed portion of the water crossover.
    Fig 1: Inserting Seal Into Recessed Portion Of Water Crossover
    G02142243Courtesy of GENERAL MOTORS CORP.

    Important:  The notched locking ear (1) must be in the 7 o'clock position.

  2. Index the water pumps locking ears with the tangs in the water crossover.
    Fig 2: Locating Notched Locking Ear
    G02142244Courtesy of GENERAL MOTORS CORP.
  3. Position the J 38816-A  to the water pump locking ears.
  4. Fasten the support plate to the water housing crossover, to ensure proper engagement of the tool to the water pump locking ears.
    NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  5. Turn the J 38816-A  counterclockwise.

    Tighten 

    Tighten the water pump to 100 N.m (74 lb ft).

  6. Remove the support plate from the water housing crossover.
    Fig 3: Removing Support Plate From Water Housing Crossover
    G02142245Courtesy of GENERAL MOTORS CORP.
  7. Connect the water pump cover to the heater return hose.
  8. Install the water pump cover to the water housing crossover.
  9. Install the water pump cover bolts.

    Tighten 

    Tighten the water pump cover bolts to 10 N.m (89 lb in).

    Fig 4: Installing Water Pump Cover To Water Housing Crossover
    G02142246Courtesy of GENERAL MOTORS CORP.
  10. Position the J 38185  to the clamp in order to connect the radiator outlet hose to the thermostat housing.
    Fig 5: Connecting Radiator Outlet Hose To Thermostat Housing
    G02142247Courtesy of GENERAL MOTORS CORP.
  11. Install the water pump drive belt (4).
    Fig 6: Installing Water Pump Drive Belt
    G02142248Courtesy of GENERAL MOTORS CORP.
  12. Place the water pump belt shield in position.
  13. Install the water pump belt shield fasteners.

    Tighten 

    Tighten the water pump belt shield fasteners to 10 N.m (89 lb in).

  14. Install the oil level indicator tube nut.

    Tighten 

    Tighten the oil level indicator tube nut to 10 N.m (89 lb in).

  15. Install the secondary AIR injection control valve. Refer to SECONDARY AIR INJECTION SHUT-OFF VALVE .
  16. Install the air cleaner assembly. Refer to AIR CLEANER ASSEMBLY .
    Fig 7: Installing Water Pump Belt Shield & Fasteners
    G02142249Courtesy of GENERAL MOTORS CORP.
  17. Install the upper filler panel. Refer to FILLER PANEL REPLACEMENT - UPPER in Body Front End.
  18. Fill the cooling system. Refer to DRAINING AND FILLING COOLING SYSTEM  .
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