Catalytic Converter: Service and Repair
Bank 1 Sensor 2 Service:
(Left Side)
REMOVAL PROCEDURE
1. Raise and suitably support the vehicle.
2. Disconnect the heated oxygen sensor electrical connector.
3. Remove the heated oxygen sensor from the left oxidation catalytic converter.
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4. Remove the exhaust manifold pipe nuts to the exhaust manifold.
5. Remove the catalytic convener nuts attaching the left oxidation catalytic converter to the right converter.
6. Remove the left oxidation catalytic converter from the vehicle.
INSTALLATION PROCEDURE
1. Install the left oxidation catalytic converter to the vehicle.
2. Install the catalytic converter nuts attaching the left oxidation catalytic converter to the right converter.
Tighten
Nuts to 25 Nm (18 lb ft).
3. Install the exhaust manifold pipe nuts to the exhaust manifold.
Tighten
Nuts to 35 Nm (26 lb ft).
4. Install the heated oxygen sensor to the left oxidation catalytic converter.
Tighten
Sensor to 42 Nm (31 lb ft).
5. Connect the heated oxygen sensor electrical connector.
6. Lower the vehicle.
(Right Side)
REMOVAL PROCEDURE
1. Raise and suitably support the vehicle.
2. Disconnect the heated oxygen sensor electrical connector.
3. Remove the heated oxygen sensor from the right oxidation catalytic converter.
4. Disconnect the rear heated oxygen sensor rosebud clip from the transmission brace.
5. Disconnect the rear heated oxygen sensor electrical connector.
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6. Remove the rear heated oxygen sensor from behind the right oxidation catalytic converter.
7. Remove the exhaust manifold pipe nuts to the right exhaust manifold.
8. Remove the catalytic converter nuts attaching the right oxidation catalytic converter to the left converter.
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9. Remove the catalytic converter hanger bolts.
10. Remove the catalytic converter hanger from the hanger bracket.
11. Loosen the exhaust muffler clamp attaching the right oxidation catalytic converter to the exhaust muffler.
12. Reposition the muffler clamp.
13. Remove the right oxidation catalytic converter by sliding the converter out of the exhaust muffler.
INSTALLATION PROCEDURE
1. Install the right oxidation catalytic converter by sliding the converter into the exhaust muffler.
2. Position the muffler clamp.
3. Tighten the exhaust muffler clamp attaching the right oxidation catalytic converter to the exhaust muffler.
Tighten
Bolt to 68 Nm (50 lb ft).
4. Install the catalytic converter hanger to the hanger bracket.
5. Install the catalytic converter hanger bolts.
Tighten
Bolts to 41 Nm (30 lb ft).
6. Install the exhaust manifold pipe nuts to the exhaust manifold.
Tighten
Bolts to 35 Nm (26 lb ft).
7. Install the catalytic converter nuts attaching the right oxidation catalytic converter to the left converter.
Tighten
Nuts to 25 Nm (18 lb ft).
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8. Install the heated oxygen sensor behind the right oxidation catalytic converter.
Tighten
Sensor to 42 Nm (31 lb ft).
9. Connect the rear heated oxygen sensor electrical connector.
10. Connect the rear heated oxygen sensor rosebud clip from the transmission brace.
11. Install the heated oxygen sensor to the right oxidation catalytic converter.
Tighten
Sensor to 42 Nm (31 lb ft).
12. Connect the oxygen sensor electrical connector.
13. Lower the vehicle.