Engine Block Plug Installation

WARNING: This page is about a different car, the 2008 Buick LaCrosse and 2008 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Locating Threaded Gallery Plugs

Courtesy of GENERAL MOTORS CORP.

NOTE: Refer to FASTENER NOTICE .

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

Fig 2: Identifying Threaded Engine Block Heater

Courtesy of GENERAL MOTORS CORP.

Apply sealant GM P/N 12346004 (Canadian P/N 10953480) or equivalent to the threads of the engine block heater.
Install the engine block heater.
Tighten: Tighten to 50 N.m (37 lb ft).

Fig 3: Identifying Engine Block Plug

Courtesy of GENERAL MOTORS CORP.

Install the remaining oil gallery plugs using GM P/N 12346004 (Canadian P/N 10953480) or the equivalent.

Fig 4: Identifying Knock Sensors

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.
Install the knock sensors.
Tighten: Tighten the knock sensors to 18 N.m (13 lb ft).
Install the knock sensor heat shield and bolts, if applicable.
Tighten: Tighten the knock sensor heat shield bolts to 50 N.m (37 lb ft).