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HOMESERVICE MANUALSOLDSMOBILE2004BRAVADA AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1440 (ENGINE MECHANICAL - 5.3L)REPAIR INSTRUCTIONSON-VEHICLE REPAIR INSTRUCTIONSENGINE REPLACEMENTINSTALLATION PROCEDURE
2004 Oldsmobile Bravada AWD

Installation Procedure

2004 Oldsmobile Bravada AWDSECTION Installation Procedure
WARNING: This page is about a different car, the 2003 GMC Envoy XL and 2003 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the J 21366  from the transmission.
  2. Install an engine hoist to the J 41798  .
  3. Remove the engine from the engine stand.
  4. Install the engine.
  5. Mate the engine to the transmission.
  6. Remove the floor jack from under the transmission for support.
    NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  7. Install the 3 upper transmission bolts/studs.

    Tighten 

    Tighten the bolts/studs to 50 N.m (37 lb ft).

  8. Raise the vehicle.
  9. Install the lower transmission bolt/studs.

    Tighten 

    Tighten the bolts/studs to 50 N.m (37 lb ft).

    Fig 1: Installing Transmission Bolt/Studs
    G02129296Courtesy of GENERAL MOTORS CORP.
  10. Install the transmission bolt and stud on the right side.

    Tighten 

    Tighten the bolts/studs to 50 N.m (37 lb ft).

    Fig 2: Installing Transmission Bolt And Stud (Right Side)
    G02129297Courtesy of GENERAL MOTORS CORP.
  11. Install the transmission oil level indicator tube.
    Fig 3: Installing Transmission Oil Level Indicator Tube
    G02129298Courtesy of GENERAL MOTORS CORP.
  12. Install the transmission oil level indicator tube nut.

    Tighten 

    Tighten the nut to 10 N.m (89 lb ft).

    Fig 4: Installing Transmission Oil Level Indicator Tube Nut
    G02129299Courtesy of GENERAL MOTORS CORP.
  13. Install the torque converter bolts.

    Tighten 

    Tighten the bolts to 60 N.m (44 lb ft).

    Fig 5: Installing Torque Converter Bolts
    G02129300Courtesy of GENERAL MOTORS CORP.
  14. Install the 3 frame engine mount bracket bolts to both the right and left sides.

    Tighten 

    Tighten the bolts to 50 N.m (37 lb ft).

  15. Install the catalytic converter. Refer to CATALYTIC CONVERTER REPLACEMENT (5.3L ENGINE)  in Engine Exhaust.
  16. Lower the vehicle.
    Fig 6: Installing Frame Engine Mount Bracket Bolts
    G02129301Courtesy of GENERAL MOTORS CORP.
  17. Remove the J 41798  from the cylinder heads.
  18. Install the ignition coil(s) (as required).

    Tighten 

    Tighten the bolts to 8 N.m (71 lb in).

    Fig 7: Removing J 41798 Tool From Cylinder Heads
    G02129302Courtesy of GENERAL MOTORS CORP.
  19. Install the auxiliary heater inlet and outlet hoses/pipes to the water pump.
  20. Using J 38185  , reposition the auxiliary heater inlet and outlet hose clamps.
    Fig 8: Installing Auxiliary Heater Inlet And Outlet Hoses/Pipes To Water Pump
    G02129303Courtesy of GENERAL MOTORS CORP.
  21. Connect the auxiliary heater inlet and outlet hose/pipe assembly to the heater water shutoff valve pipes.
    Fig 9: Connecting Auxiliary Heater Inlet And Outlet Hose/Pipe Assembly To Heater Water Shutoff Valve Pipes
    G02129304Courtesy of GENERAL MOTORS CORP.
  22. Install the outlet hose to the water outlet.
  23. Using J 38185  , reposition the inlet hose clamp.
    Fig 10: Installing Outlet Hose To Water Outlet
    G02129305Courtesy of GENERAL MOTORS CORP.
  24. Install the inlet hose to the water outlet.
  25. Using J 38185  , reposition the inlet hose clamp.
    Fig 11: Installing Inlet Hose To Water Outlet
    G02129306Courtesy of GENERAL MOTORS CORP.
  26. Position the bracket with generator to the engine.
  27. Install the generator bracket bolts.

    Tighten 

    Tighten the bolts to 50 N.m (37 lb ft).

    Fig 12: Installing Generator Bracket Bolts
    G02129307Courtesy of GENERAL MOTORS CORP.
  28. Install the generator cable to the generator, perform the following:
    • Install the generator cable.
    • Install the generator cable nut to the terminal stud.

      Tighten 

      Tighten the nut to 9 N.m (80 lb in).

    • Slide the boot down covering the terminal stud.
      Fig 13: Installing Generator Cable Nut To Terminal Stud
      G02129308Courtesy of GENERAL MOTORS CORP.
  29. Gather all branches of the engine wiring harness and position the harness over the engine.
  30. Raise the vehicle.
  31. Connect the A/C compressor electrical connector.
    Fig 14: Connecting A/C Compressor Electrical Connector
    G02129309Courtesy of GENERAL MOTORS CORP.
  32. Install the battery cable channel to the oil pan.
  33. Install the battery cable channel bolt.

    Tighten 

    Tighten the bolt to 12 N.m (106 lb in).

    Fig 15: Installing Battery Cable Channel To Oil Pan
    G02129310Courtesy of GENERAL MOTORS CORP.
  34. Install the starter. Refer to STARTING SYSTEM  in Engine Electrical.
  35. Install the ground terminal bolts (2, 4).

    Tighten 

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

  36. Lower the vehicle.
    Fig 16: Installing Ground Terminal Bolts
    G02129311Courtesy of GENERAL MOTORS CORP.
  37. Install the retaining clip (1) to the cylinder head.
  38. Connect the A/C pressure switch electrical connector (2).
    Fig 17: Connecting A/C Pressure Switch Electrical Connector
    G02129312Courtesy of GENERAL MOTORS CORP.
  39. Install the retaining clips to the brackets.
  40. Install the ground terminal bolt (2).

    Tighten 

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

  41. Connect the ECT sensor (1).
    Fig 18: Installing Ground Terminal Bolt
    G02129313Courtesy of GENERAL MOTORS CORP.
  42. Install the rear auxiliary A/C compressor pipe nut and bolt (2, 5).

    Tighten 

    Tighten the nut/bolt to 20 N.m (15 lb ft).

  43. Connect the rear auxiliary A/C compressor pipe fitting (7).

    Tighten 

    Tighten the nut to 16 N.m (12 lb ft).

  44. Install the A/C compressor hose. Refer to COMPRESSOR HOSE ASSEMBLY REPLACEMENT (BODY VIN TYPE 3)  or COMPRESSOR HOSE ASSEMBLY REPLACEMENT (BODY VIN TYPE 6)  in Heating, Ventilation, and Air Conditioning.
    Fig 19: Installing Rear Auxiliary A/C Compressor Pipe Nut And Bolt
    G02129314Courtesy of GENERAL MOTORS CORP.
  45. Connect the following electrical connectors:
    • Oil pressure sensor (1)
    • Oxygen sensors (2, 3)
    • Camshaft position (CMP) sensor (4)
    Fig 20: Connecting Electrical Connectors At Rear Of Engine
    G02129315Courtesy of GENERAL MOTORS CORP.
  46. Install the intake manifold. Refer to INTAKE MANIFOLD REPLACEMENT   .
  47. Install the wheel drive shafts. Refer to AXLE SHAFTS .
  48. Install the front differential drive axle, if equipped with 4WD. Refer to DIFFERENTIAL CARRIER ASSEMBLY REPLACEMENT (4.8L, 5.3L, 6.0L V-8)  in Front Drive Axle.
  49. Install the radiator support brace. Refer to BRACE REPLACEMENT - RADIATOR SUPPORT DIAGONAL  in Body Front End.
  50. Install the radiator. Refer to RADIATOR REPLACEMENT (BODY VIN CODE 6)  or RADIATOR REPLACEMENT (BODY VIN TYPE 3)  in Engine Cooling.
  51. Recharge the refrigerant. Refer to REFRIGERANT RECOVERY AND RECHARGING  in Heating, Ventilation, and Air Conditioning.
  52. Connect the negative battery cable. Refer to BATTERY NEGATIVE CABLE DISCONNECT/CONNECT PROCEDURE  in Engine Electrical.
  53. Remove the fender covers from both fenders.
  54. Prelube the engine. Refer to ENGINE PRELUBING   .
  55. Perform the CKP system variation learn procedure. Refer to CKP SYSTEM VARIATION LEARN PROCEDURE .
  56. Install the hood. Refer to HOOD REPLACEMENT  in Body Front End.
    IMPORTANT: After an overhaul, the engine should be tested. Use the following procedure after the engine is installed in the vehicle.
  57. Test the vehicle using the following procedure:
    • Disable the ignition system.
    • Crank the engine several times. Listen for any unusual noises or evidence that parts are binding.
    • Enable the ignition system.
    • Start the engine and listen for unusual noises.
    • Check the vehicle oil pressure gauge or light and confirm that the engine has acceptable oil pressure.
    • Run the engine speed at about 1000 RPM until the engine has reached normal operating temperature.
    • Listen for sticking lifter and other unusual noises.
    • Inspect for fuel, oil and/or coolant leaks while the engine is running.
    • Close the hood.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.