gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Heated Oxygen Sensor (HO2S) 1 Replacement|Page 2863 > < Heated Oxygen Sensor (HO2S) 1 Replacement
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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 exhaust manifold.

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

3. Connect the HO2S electrical connector (5) to the following:

-

The engine wiring harness electrical connector

-

The camshaft cover

Heated Oxygen Sensor (HO2S) 1 Replacement|Page 2863 > < Heated Oxygen Sensor (HO2S) 1 Replacement