gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Heated Oxygen Sensor Replacement - Bank 1 Sensor 1|Page 6070 > < Heated Oxygen Sensor Replacement - Bank 1 Sensor 1|Page 6068
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1.  If reinstalling the old sensor, coat the threads with anti-seize compound GM P/N 12377953, or equivalent.

Notice:  Refer to Component Fastener Tightening Notice.

2.  Install the HO2S (2).

Tighten the sensor to 42 N.m (31 lb ft).

3.  Connect the HO2S electrical connector.
4.  Install the CPA retainer.
5.  Lower the vehicle.

Heated Oxygen Sensor Replacement - Bank 1 Sensor 1|Page 6070 > < Heated Oxygen Sensor Replacement - Bank 1 Sensor 1|Page 6068