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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 638 (Engine Mechanical - 4.0L (Unit Repair)) >> Repair Instructions >> Water Crossover Assemble >> Tools Required

Tools Required

WARNING: This page is about a different car, the 2002 Oldsmobile Aurora and 2001 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.

J 38816-A  Water Pump Remover/Installer

CAUTION: Refer to FASTENER NOTICE in Cautions and Notices.
  1. Install the water pump and seal using the following procedure:
    1. 1.1. Install the new water pump seal.
    2. 1.2. Place the water pump into the water crossover. Ensure the water pump tabs are correctly indexing the water crossover tabs.
    3. 1.3. Index the J 38816-A  socket into the water pump.
    4. 1.4. Align the J 38816-A  support plate on the water crossover.
    5. 1.5. Install the J 38816-A  support plate on the water crossover using the water pump cover bolts.
      Fig 1: Installing Water Pump & Seal
      G01817096Courtesy of GENERAL MOTORS CORP.
    6. 1.6. Tighten the water pump in the water crossover by turning the J 38816-A  socket counter-clockwise.

      Tighten 

      Tighten the J 38816-A  socket to 100 N.m (74 ft lbs).

    7. 1.7. Remove the J 38816-A  support plate from the water crossover.
    8. 1.8. Remove the J 38816-A  socket.
  2. Install the water pump cover gasket.
  3. Install the water outlet and thermostat.
  4. Install the water outlet bolts.

    Tighten 

    Tighten the water outlet bolts to 10 N.m (89 in lbs).

    Fig 2: Installing Water Pump Cover Gasket
    G01817097Courtesy of GENERAL MOTORS CORP.
  5. Install the water pump cover.
    Fig 3: Installing Water Pump Cover
    G01817098Courtesy of GENERAL MOTORS CORP.

    Important:  Ensure the bolt is installed in the lower inboard position (1) and the studs are installed in the remaining positions (2).

  6. Install the water pump cover bolt and studs.

    Tighten 

    Tighten the water pump cover bolt and studs to 10 N.m (89 in lbs).

    Fig 4: Installing Water Pump Cover Bolts
    G01817099Courtesy of GENERAL MOTORS CORP.
  7. Install the MAP sensor.
    Fig 5: Installing MAP Sensor
    G01817100Courtesy of GENERAL MOTORS CORP.
  8. Install the accelerator control cable bracket.
  9. Install the accelerator control cable bracket bolts.

    Tighten 

    Tighten the accelerator control cable bracket bolts to 9 N.m (80 in lbs).

    Fig 6: Installing Accelerator Control Cable Bracket
    G01817101Courtesy of GENERAL MOTORS CORP.

    Important:  Do not use any type of sealant between the NEW plenum duct and the water crossover.

  10. Install the throttle body and the NEW plenum duct.
  11. Install the throttle body bolts.

    Tighten 

    Tighten the throttle body bolts to 10 N.m (89 in lbs).

    Fig 7: Installing Throttle Body & Plenum Duct
    G01817102Courtesy of GENERAL MOTORS CORP.
  12. Install the EGR gasket.
  13. Install the EGR valve.
  14. Install the EGR valve bolts.

    Tighten 

    Tighten the EGR valve bolts to 24 N.m (17 ft lbs).

    Fig 8: Installing EGR Valve & Gasket
    G01817103Courtesy of GENERAL MOTORS CORP.
  15. Install the EGR bracket shield.
  16. Install the EGR bracket shield nut.

    Tighten 

    Tighten the EGR bracket shield nut to 10 N.m (89 in lbs).

    Fig 9: Installing EGR Bracket Shield
    G01817104Courtesy of GENERAL MOTORS CORP.
  17. Install the EVAP emission canister purge valve.
  18. Install the EVAP emission canister purge valve bolts.

    Tighten 

    Tighten the EVAP emission canister purge valve bolts to 10 N.m (89 in lbs).

    Fig 10: Installing EVAP Emission Canister Purge Valve
    G01817105Courtesy of GENERAL MOTORS CORP.
  19. Install the rear lift bracket.
  20. Install the rear lift bracket bolt.

    Tighten 

    Tighten the rear lift bracket bolt to 24 N.m (17 ft lbs).

  21. Install the engine coolant outlet fitting.

    Tighten 

    Tighten the engine coolant outlet fitting to 47 N.m (35 ft lbs).

    Fig 11: Installing Rear Lift Bracket
    G01817106Courtesy of GENERAL MOTORS CORP.
  22. Install the heater inlet pipe fitting.

    Tighten 

    Tighten the heater inlet pipe fitting to 40 N.m (30 ft lbs).

    Fig 12: Installing Heater Inlet Pipe
    G01817107Courtesy of GENERAL MOTORS CORP.