GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the throttle body air inlet duct. Refer to Air Cleaner Inlet Duct Replacement in Engine Controls.
  2. Remove the right exhaust manifold. Refer to Exhaust Manifold Replacement - Right Side in Engine Exhaust.

  3. Object Number: 164785  Size: SH
  4. Remove the transaxle vent (press fit) (37) by pulling upward with pliers, gripping the ring edge at transmission surface.

Installation Procedure


    Object Number: 164785  Size: SH
  1. Install the transaxle vent (press fit) (37) by tapping gently with around ring edge with a drift until vent ring is flush with trasmission case.
  2. Install the right exhaust manifold. Refer to Exhaust Manifold Replacement - Right Side in Engine Exhaust.
  3. Install the throttle body air inlet duct. Refer to Air Cleaner Inlet Duct Replacement in Engine Controls.