GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 1999 🢒 Firebird 🢒 Transmission/Transaxle 🢒 Manual Transmission - MM6 🢒 Transmission Vent Tube Replacement

Removal Procedure

    Object Number: 474579 Size: SH
  1. Remove the transmission support. Refer to Transmission Support and Mount Assembly Replacement .
  2. Remove the propeller shaft. Refer to One-Piece Propeller Shaft Replacement in Propeller Shaft.
  3. Remove the torque arm. Refer to Torque Arm Replacement in Rear Suspension.
  4. Lower the tail shaft of the transmission enough to access the transmission bolt (2).
  5. Remove the transmission bolt (2).
  6. Remove the vent tube (3) from the vent pipe.

Installation Procedure

    Object Number: 474579 Size: SH
  1. Install the vent tube (3) to the vent pipe.
  2. Install the transmission bolt (2).

    3. Tighten
    Tighten the transmission bolt (2) to 50 N·m (37 lb ft).

  3. Raise the tail shaft of the transmission.
  4. Install the torque arm. Refer to Torque Arm Replacement in Rear Suspension.
  5. Install the propeller shaft. Refer to One-Piece Propeller Shaft Replacement in Propeller Shaft.
  6. Install the transmission support. Refer to Transmission Support and Mount Assembly Replacement .