gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Transmission Position Switch/Sensor, A/T > < Heated Oxygen Sensor (HO2S) 1 Replacement|Page 2919
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1. Coat the threads of the HO2S with the anti-seize compound P/N 5613695, or equivalent if necessary.

NOTE:  Refer to Component Fastener Tightening Notice in Service Precautions.

2. Using the J 39194-B, install the HO2S into the catalytic converter.

Tighten
Tighten the HO2S to 42 N.m (31 lb ft).

3. Connect the HO2S electrical connector (3) to the engine wiring harness connector (1).
4. Lower the vehicle.

Transmission Position Switch/Sensor, A/T > < Heated Oxygen Sensor (HO2S) 1 Replacement|Page 2919