Engine Block Plug Installation

NOTE: Refer to FASTENER NOTICE in Cautions and Notices.

Install the threaded oil gallery plugs.
Tighten

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

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

Fig 2: Installing Oil Gallery Plugs
Courtesy of GENERAL MOTORS CORP.
Apply sealant GM P/N 12346004, (Canadian P/N 10953480) or the equivalent to the threads of the knock sensor.
NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
Install the knock sensors.
Tighten

Tighten the knock sensors to 18 N.m (13 lb ft).

Fig 3: Installing Knock Sensors
Courtesy of GENERAL MOTORS CORP.