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: 784411  Size: SH
  3. Remove the oil pressure test plug (1).

Installation Procedure

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 784411  Size: SH
  1. Install the oil pressure test plug (1).
  2. Tighten
    Tighten the oil pressure test plug to 12 N·m (106 lb in).

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