Catalytic Converter RH
Catalytic Converter RHService Repair No - 17.50.04
Special Service Tools
Removal
1. Raise and support the vehicle.
WARNING: Do not work on or under a vehicle supported only by a jack. Always support the vehicle on safety stands.
2. Disconnect the LH catalytic converter from the exhaust manifold.
^ Remove and discard the 2 nuts.
3. Disconnect the RH catalytic converter from the exhaust manifold.
^ Remove and discard the 2 nuts.
4. Disconnect the 2 front exhaust hangers.
5. Disconnect the RH heated oxygen sensor (HO2S) electrical connector.
6. Disconnect the RH catalyst monitor sensor electrical connector.
^ Release the wiring harness.
7. Remove the RH catalytic converter.
^ Using the special tool, cut the exhaust pipe at the point indicated by a depression in the pipe.
8. Using the special tool, remove the HO2S.
9. Using the special tool, remove the catalyst monitor sensor.
Installation
1. Using the special tool, install the catalyst monitor sensor.
CAUTION: Make sure the anti-seize compound does not contact the catalyst monitor sensor tip.
^ Clean the components.
^ Apply an anti-seize compound to the thread of the sensor.
^ Tighten the catalyst monitor sensor to 45 Nm (33 ft. lbs.).
2. Using the special tool, install the HO2S.
CAUTION: Make sure the anti-seize compound does not contact the HO2S tip.
^ Clean the components.
^ Apply an anti-seize compound to the thread of the sensor.
^ Tighten the HO2S to 45 Nm (33 ft. lbs.).
3. NOTE: Do not tighten the retaining clamp at this stage.
Install the RH catalytic converter.
^ Clean the components.
^ Install the retaining clamp.
4. Attach the exhaust hangers.
5. Position the RH catalytic converter to the exhaust manifold.
^ Clean the components.
^ Tighten the new nuts to 20 Nm (15 ft. lbs.).
6. Position the LH catalytic converter to the exhaust manifold.
^ Clean the components.
^ Tighten the new nuts to 20 Nm (15 ft. lbs.).
7. Align the RH catalytic converter and tighten the retaining clamp to 55 Nm (40 ft. lbs.).
8. NOTE: For NAS vehicles only.
If required, carry out a long drive cycle.