Engine Block Plug Installation

WARNING: This page is about a different car, the 2002 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.

Install the threaded oil gallery plugs.
Tighten:

Tighten the oil gallery plugs to 30 N.m (22 lb ft)

Fig 1: Threaded Oil Gallery Plugs
Courtesy of GENERAL MOTORS CORP.
Install the remaining oil gallery plugs using GM P/N United States 12346004, GM P/N Canada 10953480 or the equivalent.

Fig 2: Oil Gallery Plugs
Courtesy of GENERAL MOTORS CORP.