GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 208402  Size: SH
  1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Remove the transmission support. Refer to Transmission Support Replacement in Frame and Underbody.
  3. Slowly lower the transmission.
  4. Remove the ventilation hose from the ventilation tube at the transmission.

  5. Object Number: 208419  Size: SH
  6. Remove the ventilation hose clips from the torque arm.
  7. Remove the ventilation hose from the vehicle.

Installation Procedure


    Object Number: 208419  Size: SH
  1. Install the ventilation hose to the vehicle.
  2. Install the first vent hose clip 100 mm (4 inch) behind the rear edge of the torque arm bracket.
  3. Install the lower vent hose clip onto the bottom edge of the torque arm.

  4. Object Number: 208402  Size: SH
  5. Install the vent hose to the transmission ventilation tube at the transmission.
  6. Install the transmission support member. Refer to Transmission Support Replacement in Frame and Underbody.
  7. Remove the transmission jack.
  8. Lower the vehicle.