gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Heated Oxygen Sensor (HO2S) Replacement Bank 1 Sensor 1|Page 1540 > < Heated Oxygen Sensor (HO2S) Replacement Bank 1 Sensor 1|Page 1538
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3. If equipped with a 6.0L engine, connect the HO2S electrical connector (1).

4. If equipped with a 4.8L or 5.3L engine, connect the HO2S electrical connector (1).
5. Install the HO2S electrical connector to the fuel line clip.
6. Disconnect the CPA retainer.
7. If necessary, bolt the front propeller shaft to the front differential. Refer to Propeller Shaft Replacement - Front in Propeller Shaft.
8. Lower the vehicle.

Heated Oxygen Sensor (HO2S) Replacement Bank 1 Sensor 1|Page 1540 > < Heated Oxygen Sensor (HO2S) Replacement Bank 1 Sensor 1|Page 1538