Special Tools

J-39194-C Oxygen Sensor Wrench

1. Remove the 4 bolts (1, 2, 3, 4) and remove the exhaust manifold heat insulator.



2. Disconnect the air fuel ratio sensor connector (2) and wire harness clamp (1).



3. Using the J-39194-C wrench , remove the air fuel ratio sensor.

Caution: Refer to Fastener Caution in the Preface section.





Note: This torque value can be obtained by using a torque wrench with a fulcrum length of 300 mm (11.81 in) and a J-39194-C wrench with 30 mm (1.18 in). This torque value is effective when the J-39194-C wrench is parallel to the torque wrench.

1. Using a J-39194-C wrench , install the air fuel ratio sensor and tighten.

•	Without a J-39194-C wrench to 44 N·m (32 lb ft)

•	With a J-39194-C wrench to 40 N·m (30 lb ft)




2. Connect the air fuel ratio sensor connector (2) and wire harness clamp (1).



3. Install the exhaust manifold heat insulator with the 4 bolts (1, 2, 3, 4) and tighten to 12 N·m (9 lb ft).
4. Inspect for exhaust leaks.