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Removal (3.8L)

WARNING: This page is about a different car, the 2002 Pontiac Firebird and 2002 Chevrolet Camaro. However, it is still accessible from the selected car via links, so may be relevant.
  1. Perform a pressure test before removing the transmission, if necessary. See PERFORMANCE TESTS in 4L60-E DIAGNOSIS article. This will help to aid in the diagnosis.
  2. Disconnect the Intake Air Temperature (IAT) sensor electrical connector. See Fig 1
  3. Remove the air intake duct. See Fig 2
  4. Remove the transmission fluid level indicator. See Fig 3.
  5. Raise and suitably support the vehicle.
  6. Remove the 3 way catalytic converter.
    Fig 1: Locating Intake Air Temperature Sensor (3.8L)
    G00192379Courtesy of GENERAL MOTORS CORP.
    Fig 2: Removing/Installing Air Intake Duct (3.8L)
    G00192380Courtesy of GENERAL MOTORS CORP.
    Fig 3: Locating Transmission Fluid Level Indicator (3.8L)
    G00192382Courtesy of GENERAL MOTORS CORP.
  7. Unsnap the range selector lever cable from the transmission. See Fig 4.
  8. Remove the driveshaft. See PROPELLER SHAFT REPLACEMENT - ONE PIECE and/or PROPELLER SHAFT REPLACEMENT - TWO PIECE .
  9. Support the rear axle with jack stands.
  10. Remove the rear axle torque arm. See TORQUE ARM REPLACEMENT under REMOVAL & INSTALLATION in REAR SUSPENSION.
  11. Remove the right side engine mount. See ENGINE MOUNTS  under REMOVAL & INSTALLATION.
  12. Remove the torque converter cover. See TORQUE CONVERTER COVER .
  13. Remove the torque converter bolts. See Fig 5.
    Fig 4: Locating Range Selector Lever Cable
    G00192385Courtesy of GENERAL MOTORS CORP.
    Fig 5: Removing/Installing Torque Converter Bolts
    G00192393Courtesy of GENERAL MOTORS CORP.
  14. Remove the transmission oil cooler lines. See TRANSMISSION FLUID COOLER HOSE/PIPE under REMOVAL & INSTALLATION in SERVICING - CAMARO & FIREBIRD article.
  15. Remove the wiring harness clamp bolt (1) attaching the clamp to the transmission. See Fig 6.
  16. Disconnect the transmission 20-way electrical connector (2). Depress both tabs on the connector and pull straight up; do not pry the connector. See Fig 6.
  17. Disconnect the vehicle speed sensor electrical connector (1). See Fig 7.
  18. Support the transmission using a transmission jack.
  19. Remove the transmission mount nut. See Fig 8.
  20. Remove the support bolts and the support from the rail. See Fig 9.
  21. Lower the tail section of the transmission slightly.
  22. Remove the transmission bolts and nuts. See Fig 10.
  23. Remove the transmission fluid fill tube.
  24. Separate the transmission from the engine.
  25. Attach Torque Converter Holding Strap (J 21366) to the transmission.
  26. Lower the transmission from the vehicle.
    Fig 6: Removing/Installing Transmission Wiring Harness (3.8L)
    G00107705Courtesy of GENERAL MOTORS CORP.
    Fig 7: Locating Vehicle Speed Sensor Electrical Connector (3.8L)
    G00192381Courtesy of GENERAL MOTORS CORP.
    Fig 8: Removing/Installing Transmission Mount
    G00192390Courtesy of GENERAL MOTORS CORP.
    Fig 9: Removing/Installing Transmission Support Rail Assembly
    G00192399Courtesy of GENERAL MOTORS CORP.
    Fig 10: Removing Transmission-To-Engine Bolts & Nuts (3.8L)
    G00192392Courtesy of GENERAL MOTORS CORP.
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