HO2S Replacement Bank 1 Sensor 1

REMOVAL PROCEDURE
1. Raise and support the vehicle.
2. Support rear of powertrain frame.
3. Remove four rear frame bolts (#2 and #3 locations).
4. Lower the frame no more than 3 inches.
5. Disconnect the rear oxygen sensor connector.
6. Remove the rear oxygen sensor from the rear exhaust manifold.

INSTALLATION PROCEDURE

NOTE: Refer to Fastener Notice in Service Precautions.

1. Install the rear oxygen sensor in the rear exhaust manifold.

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

2. Connect the rear oxygen sensor connector.
3. Raise the frame.
4. Install the four rear frame bolts (#2 and #3 locations).

Tighten
Tighten the frame bolts to 100 N.m (74 lb ft).

5. Lower the vehicle.