B4000 SE Cab Plus 4 4WD V6-4.0L SOHC (2001)
6. Remove the heated oxygen sensors from the exhaust pipe using the Oxygen Sensor Wrench.
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If necessary, lubricate the heated oxygen sensors to assist in removal.
NOTE: Apply a light coat of anti-seize compound to the threads of the heated oxygen sensors.
7. Install in reverse order of removal.
Tightening torque: { 36 - 46 N.m, 27 - 33 ft.lbf }