RAM 3500 HD Truck 2WD L6-6.7L DSL Turbo (2008)
Oxygen Sensor: Service and Repair
Removal
REMOVAL - PICK UP MODELS
The two oxygen (O2) sensors 1/1 (1) and 1/2 (2) are located at each end of the #2 catalyst.
CAUTION: Never apply any type of grease to the oxygen sensor electrical connector, or attempt any soldering of the sensor wiring harness.
WARNING: The exhaust manifold, exhaust pipes and catalytic converters become very hot during engine operation. Allow engine to cool
before removing oxygen sensor.
1. Raise and support vehicle.
2. Disconnect main wire connector from O2S sensor pigtail harness.
CAUTION: When disconnecting sensor electrical connector, do not pull directly on wire going into sensor.
3. Remove O2S sensor with an oxygen sensor removal and installation tool.
4. Clean threads in catalytic convertor using appropriate tap.
