Oxygen Sensor: Service and Repair

The oxygen sensor is to be removed using tool No. C-4589 or equivalent. After removal, clean threads in exhaust manifold using an 18 mm X 1.5 X 6E tap. If reinstalling the same sensor, apply a suitable sealant to threads of sensor. New sensors are packaged with an anti-seize compound already applied to the threads and no further application is required. When installing sensor, torque to 20 ft. lbs.