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HOMESERVICE MANUALSOLDSMOBILE2004BRAVADA AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1774 (AUTOMATIC TRANSMISSION - REPAIR INSTRUCTIONS)REPAIR INSTRUCTIONSTRANSMISSION REPLACEMENT (LL8)INSTALLATION PROCEDURE
2004 Oldsmobile Bravada AWD

Installation Procedure

2004 Oldsmobile Bravada AWDSECTION Installation Procedure
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2005 Isuzu Ascender, 2005 GMC Envoy XUV, 2005 GMC Envoy XL, 2005 GMC Envoy, and 2005 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the J 21366 onto the transmission bell housing to retain the torque converter.
  2. Raise the transmission into place and remove the J 21366 from the transmission.
    3. Fig 1: View Of Bell Housing Bolts
    GM727330Courtesy of GENERAL MOTORS CORP.
  3. Slide the transmission straight onto the locating pins while lining up the marks on the flywheel and the torque converter made during removal. The torque converter must be flush onto the flywheel and rotate freely by hand.
    4. NOTE: Refer to Fastener Notice in Cautions and Notices.
  4. Install nuts, studs and/or bolts securing the transmission to the engine.

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

    5. Fig 2: Removing/Installing Torque Converter Access Plug
    GM744183Courtesy of GENERAL MOTORS CORP.
  5. Install the flywheel to torque converter bolts. Use care not to drop the bolts into the bell housing.

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

  6. Install the torque converter access plug.
  7. Remove the safety chain from the transmission.
    8. Fig 3: Locating EVAP/Fuel Hose/Pipe Assembly Retaining Bolt
    GM730721Courtesy of GENERAL MOTORS CORP.
  8. Install the bolts (2, 3) that secure the fuel line brackets to the left side of the transmission.

    Tighten: 

    • Tighten bolt (3) to 10 N.m (89 lb in).
    • Tighten bolt (2) to 45 N.m (33 lb ft).

    9. Fig 4: View Of Transmission Harness 20-Way Connector
    GM173661Courtesy of GENERAL MOTORS CORP.
  9. Connect the main electrical connector to the transmission.
  10. Connect the park/neutral position switch connector. Refer to Park/Neutral Position Switch Replacement .
    11. Fig 5: Disconnecting/Connecting Transmission Vent Hose
    GM744644Courtesy of GENERAL MOTORS CORP.
  11. Connect the transmission vent hose (2) to the transmission.
  12. Install the transmission heat shield. Refer to Heat Shield Replacement .
    13. Fig 6: Identifying Range Selector Cable
    GM744174Courtesy of GENERAL MOTORS CORP.
  13. Install the range selector cable end to the transmission range selector ball stud (6) and the bracket (1). Refer to Automatic Transmission Range Selector Cable Replacement .
  14. Raise the transmission to the normal installed height.
    15. Fig 7: Removing/Installing Catalytic Converter Assembly
    GM753684Courtesy of GENERAL MOTORS CORP.
  15. Install the catalytic converter assembly. Refer to Catalytic Converter Replacement (4.2L Engine) or Catalytic Converter Replacement (5.3L Engine) in Engine Exhaust.
    16. Fig 8: Removing/installing Transmission Mount To Exhaust Hanger Mounting Bolts
    GM1334965Courtesy of GENERAL MOTORS CORP.
  16. Install the transmission mount. Refer to Transmission Mount Replacement (4.2L)  or Transmission Mount Replacement (5.3L) .
    17. Fig 9: View Of Transmission Crossmember Support
    GM752134Courtesy of GENERAL MOTORS CORP.
  17. Install the transmission support. Refer to Transmission Support Replacement in Frame and Underbody.
  18. Remove the transmission jack.
  19. Install the fuel tank shield if equipped. Refer to Fuel Tank Shield Replacement (TrailBlazer, Envoy) or Fuel Tank Shield Replacement (TrailBlazer EXT, Envoy XL) .
  20. If equipped with 4WD install the transfer case. Refer to Transfer Case Assembly Replacement (TrailBlazer, Envoy) in Transfer Case - NVG 226-NP8.
  21. If equipped with 2WD install the rear propeller shaft. Refer to Propeller Shaft Replacement - Rear in Propeller Shaft.
    22. Fig 10: Flushing Cooler Lines
    GM744636Courtesy of GENERAL MOTORS CORP.
  22. Flush the transmission oil cooler and cooling lines at this time, if necessary. Refer to Automatic Transmission Oil Cooler Flushing and Flow Test (J 45096) or Automatic Transmission Oil Cooler Flushing and Flow Test (J 35944-A) .
  23. Connect the transmission oil cooler lines (4) to the transmission. Refer to Transmission Fluid Cooler Hose/Pipe Replacement (Body VIN Code 6 LM4) .
  24. Lower the vehicle.
    25. Fig 11: Removing/Installing Filler Tube Indicator
    GM744648Courtesy of GENERAL MOTORS CORP.
  25. Install the filler tube to the stud (1) on the right side of the engine.
  26. Install the filler tube nut (2).

    Tighten:  Tighten the nut to 10 N.m (7 lb ft).

  27. Connect the battery. Refer to Battery Negative Cable Disconnect/Connect Procedure .
  28. Fill the transmission to the proper level with DEXRON® III transmission fluid and check for leaks. Refer to Transmission Fluid Checking Procedure .
  29. Road test the vehicle and check for proper operation.
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.