GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the throttle body air inlet duct. Refer to Air Cleaner Outlet Duct Replacement .

  2. Object Number: 164784  Size: SH
  3. Remove the pressure test hole plug (38).

Installation Procedure

  1. Apply sealant GM P/N 12345382 or equivalent to the pressure test hole plug.
  2. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 164784  Size: SH
  3. Install the pressure test hole plug (38).
  4. Tighten
    Tighten the pressure test hole plug  (38) to 12 N·m (106 lb in).

  5. Install the throttle body air inlet duct. Refer to Air Cleaner Outlet Duct Replacement .