Installation Procedure

WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: View Of Heated Oxygen Sensor

Courtesy of GENERAL MOTORS CORP.

Apply a small amount of the anti-seize compound SA P/N 21485279, or equivalent, to the threads of the heated oxygen sensor 1.

NOTE: Refer to Fastener Notice .

Install the heated oxygen sensor 1 using the J 39194-C .
Tighten: Tighten the oxygen sensor to 44 N.m (33 lb ft).

Fig 2: View Of Heated Oxygen Sensor (HO2S)

Courtesy of GENERAL MOTORS CORP.

Connect the bank 1 heated oxygen sensor 1 harness connector (1). Make sure the locking tab is in the full closed position.
Start the engine and make sure no exhaust leaks exist.