Exhaust Pipe: Service and Repair

Front Pipe Replacement (2.5L)

Removal Procedure





1. Disconnect the Heated Oxygen Sensor (HO2S1) electrical connectors and detach-the couplers from the coupler mounting bracket.
2. Raise and support the vehicle. Refer to Vehicle Lifting.
3. Remove the propeller shaft.
4. Remove the 2 bolts (1) from the front pipe assembly (2).





5. Remove the 6 front pipe nuts (1) from the exhaust manifolds (2).
6. Remove the front pipe and the exhaust manifold gaskets.

Installation Procedure





Important: When installing a new exhaust system component, always use new gaskets and seals.

1. Position the front pipe with new exhaust manifold gaskets.
2. Install the 6 front pipe nuts (1) to the exhaust manifolds (2). Do not fully tighten the nuts.





3. Install the 2 bolts (1) to the front pipe assembly (2). Do not fully tighten the bolts.
4. Install the propeller shaft.
5. Align all system components before tightening the fasteners, in order to prevent noise or vibrations.

Notice: Refer to Fastener Notice in Service Precautions.

6. Tighten the front pipe assembly bolts.
- Tighten the front pipe assembly bolts to 50 Nm (37 ft. lbs.).
7. Tighten the front pipe assembly nuts.
- Tighten the front pipe assembly nuts to 50 Nm (37 ft. lbs.).
8. Lower the vehicle.
9. Connect the Heated Oxygen Sensor (HO2S1) electrical connectors and attach the couplers to the coupler mounting bracket.