Catalytic Converter Removal/Installation - LH

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CATALYTIC CONVERTER REMOVAL/INSTALLATION - LH, 3.0L

Removal

1. With the vehicle in NEUTRAL, position it on a hoist. See Lifting.






2. Remove the 6 retainers and the passenger side splash shield.

3. Disconnect the LH heated oxygen sensor (HO2S).

4. Remove the 3 bolts and the LH catalytic converter heat shield.

5. Remove the exhaust crossover pipe. See - Service and Repair.

6. Remove and discard the 6 LH catalytic converter manifold nuts.

7. Remove the LH catalytic converter manifold from the vehicle.

- Discard the gasket.

8. Remove and discard the 6 LH catalytic converter manifold studs.

9. Clean and inspect the LH catalytic converter exhaust manifold. See - Testing and Inspection.

Installation

1. Install the 6 new LH catalytic converter manifold studs.

- Tighten to 11 Nm {1.1 kgf-m, 97 in-lbf}.






2. Position the LH catalytic converter and tighten the 6 exhaust manifold nuts in 2 stages in the sequence shown.

- Stage 1: Tighten to 25 Nm {2.5 kgf-m, 18 ft-lbf}.

- Stage 2: Tighten to 25 Nm {2.5 kgf-m, 18 ft-lbf}.

CAUTION:Failure to tighten the catalytic converter nuts to specification before installing the converter bracket bolts will cause the converter to develop an exhaust leak.

CAUTION:Failure to tighten the catalytic converter nuts to specification a second time will cause the converter to develop an exhaust leak.
3. Install the exhaust crossover pipe. See - Service and Repair.

4. Install the LH catalytic converter heat shield and the 3 bolts.

- Tighten to 10 Nm {1.0 kgf-m, 89 in-lbf}.

5. Install the LH heated oxygen sensor (HO2S).






6. Install the passenger side splash shield and the 6 retainers.