OEM 2000 Chevrolet Impala Oxygen Sensor

2000 Chevrolet Impala Parts Questions & Experts Answers

• Q: How to Replace a Heated Oxygen Sensor (HO2S) Safely on 2000 Chevrolet Impala?

  A: The replacement of Heated Oxygen Sensor (HO2S) requires the following necessary tools: Heated Oxygen Sensor Socket (J 39194-B). Heated Oxygen Sensor Socket (J 39194-B). First turn OFF ignition and remove the electrical connector. The heated oxygen sensor threads need an anti-seize compound made from graphite in liquid containing glass beads before installation. When the graphite burns off the rest of the material will become the glass beads which stay in position to simplify extraction. Anti-seize compound is shipped with new sensors as well as service sensors. When reinstalling a sensor after removal apply anti-seize compound (P/N 5613695) to the threads before you install the sensor. Users should extract the heated oxygen sensor from its location using the specified device - Heated Oxygen Sensor Socket (J 39194-B). If you choose to apply anti-seize compound to the heated oxygen sensor threads first coat them before installation. Tighten the sensor to 41 N.m (30 lb ft). Reconnect the HO2S1 sensor electrical connector as the final step.