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Home › Cadillac › 2000 › Seville SLS › Repair and Diagnosis › External Pages › Different car › Section 221 (Engine Cooling System) › Repair Instructions › Water Crossover Replacement › Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2002 Cadillac Eldorado. However, it is still accessible from the selected car via links, so may be relevant.
  1. With all eight crossover retaining bolts inserted, slide the upper and lower water housing crossover gaskets onto the bolts.

    Important:  Care should be taken when installing the water housing bolts, so that the gaskets are in the correct position.

  2. Place the water housing crossover in position and hand start the bolts to hold the crossover in place.
    Fig 1: Water Housing Crossover
    G01653677Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  3. Tighten the water housing crossover bolts.

    Tighten 

    Tighten the water housing crossover bolts to 25 N.m (18 lb ft).

  4. Connect the heater hose to the water housing crossover.
  5. Connect the cable harness clip to the water housing crossover.
    Fig 2: Heater Hose & Cable Harness Clip
    G01653678Courtesy of GENERAL MOTORS CORP.
  6. Install the 2 bolts (3) attaching the water pump belt tensioner (1) to the water crossover.

    Tighten 

    Tighten the water pump belt tensioner bolts (3) to 10 N.m (89 lb in).

  7. Install the water pump. Refer to Water Pump Replacement .
    Fig 3: Water Pump Belt Tensioner
    G01653679Courtesy of GENERAL MOTORS CORP.
  8. Position the J 38185 to the clamp in order to connect the radiator outlet hose (2) to the thermostat housing.
    Fig 4: Radiator Outlet Hose
    G01653680Courtesy of GENERAL MOTORS CORP.
  9. Position the J 38185 (2) to the clamp in order to connect the radiator inlet hose (1) to the water housing crossover.
    Fig 5: Radiator Inlet Hose
    G01653681Courtesy of GENERAL MOTORS CORP.
  10. Install the MAP sensor.
  11. Connect the electrical connector to the MAP sensor.
  12. Install the EGR valve. Refer to EGR VALVE in Engine Controls-4.6 L.
    Fig 6: MAP Sensor
    G01653682Courtesy of GENERAL MOTORS CORP.

    Important:  The EGR valve inlet pipe incorporates a crush seal connection at the water crossover. The EGR valve inlet pipe must be replaced if disconnected from the water crossover.

  13. Hand start the NEW EGR inlet pipe-to-crossover pipe nut (1) to prevent crossthreading

    Tighten 

    Tighten the EGR inlet pipe nut to 60 N.m (44 lb ft).

  14. Connect the EGR inlet pipe flange (3) to the water crossover.
  15. Install the EGR inlet pipe-to-water crossover flange bolt (2).

    Tighten 

    Tighten the EGR inlet pipe bolt to 25 N.m (18 lb ft).

  16. Install the EVAP emission canister purge valve. Refer to EVAP CANISTER in Engine Controls-4.6 L.
  17. Install the left engine mount strut bracket. Refer to ENGINE MOUNT STRUT BRACKET REPLACEMENT - LEFT in Engine Mechanical-4.6 L.
    Fig 7: EGR Valve Inlet Pipe
    G01653683Courtesy of GENERAL MOTORS CORP.
  18. Connect the secondary AIR solenoid vacuum tube (2) to the housing crossover.
  19. Connect the fuel regulator vacuum tube (1).
  20. Connect the brake booster vacuum tube.
  21. Install the throttle body. Refer to THROTTLE BODY in Engine Controls-4.6 L.
  22. Install the fuel injector sight shield. Refer to FUEL INJECTOR SIGHT SHIELD REPLACEMENT in Engine Mechanical-4.6 L.
  23. Install the air cleaner assembly.
  24. Fill the cooling system. Refer to Draining and Filling Cooling System .
    Fig 8: AIR Solenoid Vacuum Tube & Fuel Regulator Vacuum Tube
    G01653684Courtesy of GENERAL MOTORS CORP.
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