Exhaust Manifold - LH

Exhaust Manifold - LH

Exhaust Manifold - LH (View 1 of 2)









Exhaust Manifold - LH (View 2 of 2)









Removal

1. WARNING: Before servicing a vehicle equipped with a fire suppression system, depower the system by following the procedure in Fire Suppression System. Failure to follow the instructions may result in serious personal injury. Procedures

With the vehicle in NEUTRAL, position it on a hoist. For additional information, refer to Jacking and Lifting Service and Repair.

2. NOTE: Use a steering wheel holding device (such as Hunter(R) 28-75-1 or equivalent).

Using a suitable holding device, hold the steering wheel in the straight-ahead position.





3. NOTICE: Do not allow the intermediate shaft to rotate while it is disconnected from the steering gear or damage to the clockspring may result. If there is evidence that the intermediate shaft has rotated, the clockspring must be removed and recentered. For additional information, refer to Supplemental Restraint System Service and Repair.

Remove the intermediated shaft pinch bolt and detach the intermediate shaft from the steering gear and position aside.

4. Remove the 2 exhaust manifold heat shield bolts and the shield.

5. Remove the 2 catalytic converter-to-exhaust manifold nuts and position aside the catalytic converter flange.
- Discard the nuts.

6. Disconnect the EGR system module tube from the exhaust manifold.

7. Remove the LH Heated Oxygen Sensor (HO2S). For additional information, refer to Electronic Engine Controls Heated Oxygen Sensor (HO2S).

8. Remove the 8 nuts, the exhaust manifold and the gasket.
- Discard the nuts and gasket.

9. Remove and discard the 8 exhaust manifold studs.

10. Clean and inspect the exhaust manifold for flatness. For additional information, refer to Engine System - General Information Exhaust Manifold Cleaning and Inspection.

Installation

1. Install the 8 new exhaust manifold studs.
- Tighten to 12 Nm (106 lb-in).

2. Install a new exhaust manifold gasket, the exhaust manifold and 8 new nuts.
- Tighten in sequence shown to 20 Nm (177 lb-in).





3. Install the LH HO2S. For additional information, refer to Electronic Engine Controls Heated Oxygen Sensor (HO2S).

4. Connect the EGR system module tube to the exhaust manifold.
- Tighten to 43 Nm (32 lb-ft).

5. Position the catalytic converter flange and install the new catalytic converter-to-exhaust manifold nuts.
- Tighten to 48 Nm (35 lb-ft).

6. Install the exhaust manifold heat shield and the 2 bolts.
- Tighten to 10 Nm (89 lb-in).

7. Position the intermediate shaft on the steering gear and install the pinch bolt.
- Tighten to 30 Nm (22 lb-ft).

8. WARNING: If the vehicle is equipped with a fire suppression system, repower the system. For important safety warnings and procedures, refer to Fire Suppression System. Failure to follow these instructions may result in serious personal injury. Description and Operation

If equipped with a fire suppression system, repower the system.