Wrangler 2WD V6-3.8L (2008)
Catalytic Converter: Service and Repair
Installation
3.8L ENGINE
1. Position the front exhaust pipe and catalytic converter assembly (3) into the mount at the transmission (if equipped) and onto the exhaust manifold
flange connection.
2. Install the nuts at the front exhaust pipe and catalytic converter assembly to muffler flange. Do not tighten.
3. Position the exhaust pipe for proper clearance with the frame and underbody parts. A minimum clearance of 25.4 mm (1.0 in.) is required.
4. Tighten the bolt (1) at exhaust manifold to 27 Nm (19 in. lbs.) torque.
5. Tighten the front exhaust pipe and catalytic converter assembly to muffler flange nuts to 27 Nm (19 ft. lbs.) torque.
6. Position the front pipe onto the exhaust manifold flange connection. Tighten the clamp to 10 Nm (95 in. lbs.) torque.
7. Connect oxygen sensor electrical connectors.
8. Lower the vehicle.
9. Start the vehicle and inspect for exhaust leaks. Repair exhaust leaks as necessary.
10. Check the exhaust system for contact with the body panels. Make adjustments, if necessary.
