gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Throttle Position Sensor > < Heated Oxygen Sensor (HO2S) Replacement Bank 1 Sensor 1|Page 2213
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1. Coat the threads of the heated oxygen sensor with anti-seize compound P/N 12377953, or equivalent if necessary.

NOTE:  Refer to Fastener Notice in Service Precautions.

2. Install the heated oxygen sensor (2).

Tighten
Tighten the HO2S to 41 N.m (30 lb ft).

3. Connect the HO2S electrical connector (1).
4. Lower the vehicle.

Throttle Position Sensor > < Heated Oxygen Sensor (HO2S) Replacement Bank 1 Sensor 1|Page 2213