Jeep CJ/Scrambler 1971-1986 Repair Guide
REMOVAL & INSTALLATION
Raise the vehicle and support it safely. Allow the exhaust system to cool sufficiently to permit servicing.
Disconnect the wire connector from the oxygen sensor.
Remove the oxygen sensor from the exhaust manifold.
If not already done, coat the threads of the replacement sensor with anti-seize compound. Be careful not to contaminate the oxygen sensor probe with the anti-seize.
Install the oxygen sensor into the exhaust manifold and tighten to 35 ft. lbs. (48 Nm). Reconnect the wire connector.