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Home >> Chevrolet >> 1987 >> Forward Control 5.7 K, Automatic, 475/M40 >> Repair and Diagnosis >> Engine Performance >> System >> Fuel Injection System - TBI >> Removal & Installation >> Oxygen Sensor
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Oxygen Sensor

  1. Locate oxygen sensor. Disconnect battery negative cable. Disconnect sensor at electrical connector. DO NOT  remove wire (pigtail) from oxygen sensor.
  2. Carefully back sensor out of exhaust manifold. Handle sensor with care and do not allow dirt or other foreign matter to contact louvered end of sensor.
  3. To install, reverse removal procedure. Coat threads of replacement sensor with Anti-Seize Compound (Part No. 3613695). Tighten sensor to 30 ft. lbs. (41 N.m).
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