OEM 2003 Chevrolet Venture Oxygen Sensor

2003 Chevrolet Venture Parts Questions & Experts Answers

• Q: How to Replace a Heated Oxygen Sensor (HO2S) Safely on 2003 Chevrolet Venture?

  A: Replace the Heated Oxygen Sensor (HO2S) using the Heated Oxygen Sensor Wrench tool named J 39194-B. When handling an oxygen sensor maintain proper care by avoiding both drops and keeping the in-line electrical connector plus louvered end free from contaminants including grease and dirt. Cleaning with solvents should be avoided together with all attempts to fix wires or connectors or terminals. Professional help should be asked to replace the oxygen sensor whenever damage happens. Keep the sensor pigtail and harness wires outside exposure and avoid using sharp bends or kinks since these conditions create air reference blockages and sensor performance declines. The oxygen sensor ground wire maintains its essential role in sensor operation so it should not be removed. All vehicle harness connector peripheral seals must remain intact to block water penetration while repairs require the Packard's Crimp and Splice Seals Terminal Repair Kit instead of soldering techniques. Remove the heated oxygen sensor only when the engine temperature reaches 48°C (120°F) since lower temperatures can cause thread damage. Start by activating the ignition off position followed by vehicle lift and removal of the sensor harness connector. agged oxygen sensor removal requires the Heated Oxygen Sensor Wrench (J 39194-B) to extract the sensor from its position carefully. For installation, coat the threads of the heated oxygen sensor with anti-seize compound GM P/N #5613695 or an equivalent, ensuring that the special compound is applied if the sensor is being reinstalled. Fasten the HO2S2 to 41 N.m torque while attaching the electrical connector of the sensor and lowering the vehicle.