Catalytic Converter - Manifold

Catalytic Converter - 2.5L Manifold, Hybrid

Removal

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

2. Remove the exhaust intermediate pipe. For additional information, refer to Exhaust Intermediate Pipe- 2.5L, Hybrid .

3. Remove the 2 exhaust bracket bolts.

4. Disconnect the Heated Oxygen Sensor (HO2S) and the Catalyst Monitor Sensor (CMS) electrical connectors.

5. Remove and discard the 7 catalytic converter manifold nuts.

6. Remove the catalytic converter manifold from the vehicle.
- Discard the catalytic converter manifold gasket.


7. Remove and discard the 7 catalytic converter manifold studs.

8. Clean and inspect the catalytic converter manifold.

Installation

1. Install the 7 new catalytic converter manifold studs.
- Tighten to 17 Nm (150 lb-in).


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

NOTICE: Failure to tighten the catalytic converter manifold nuts to specification a second time will cause the converter to develop an exhaust leak.

Using a new gasket, install the catalytic converter and the 7 exhaust manifold nuts. Tighten in 2 stages in the sequence shown.
- Stage 1: Tighten to 47 Nm (35 lb-ft).

- Stage 2: Tighten to 47 Nm (35 lb-ft).






3. Connect the HO2S (Heated Oxygen Sensor) and the CMS (Catalyst Monitor Sensor) electrical connectors.

4. Install the 2 exhaust bracket bolts.
- Tighten to 25 Nm (18 lb-ft).


5. Install the exhaust intermediate pipe. For additional information, refer to Exhaust Intermediate Pipe- 2.5L, Hybrid .