Catalytic Converter - Installation

3.6L

LEFT SIDE





NOTE: The catalytic converter flange is secured to the cylinder head. A steel sleeve holds the lower section of the converter flange to the head while two bolts fasten the flange to the cylinder head. The steel sleeve does not need to be removed for converter removal.

1. Install the O2 sensors.
2. Install the heatshield.
3. Using care, position the catalytic converter assembly (3) into the steel sleeve and onto the cylinder head through the bottom of the vehicle.
4. Loosely install the bolts (1) from the Y-pipe (2) to the catalytic converter (3).
5. 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. Tighten the bolts (1) at to 23 Nm (17 ft. lbs.).





6. Slightly lower the vehicle to gain access to the catalytic converter flange to cylinder head.
7. Tighten the bolts (1) at exhaust manifold to 23 Nm (17 ft. lbs.).
8. Connect the O2 sensors electrical connectors.
9. Install the front drivers side splash shield.
10. Install the drivers side front wheel.

11. Raise vehicle.




12. Tighten the catalytic converter assembly to Y-pipe flange bolts to 27 Nm (20 ft. lbs.).
13. Install the front driveshaft onto the front differential flange (1). Tighten the bolts (2) to 110 Nm (81 ft. lbs.).

14. Lower the vehicle.
15. Connect the negative battery cable
16. Start the vehicle and inspect for exhaust leaks. Repair exhaust leaks as necessary.

RIGHT SIDE

NOTE: The catalytic converter flange is secured to the cylinder head. A steel sleeve holds the lower section of the converter flange to the head while two bolts fasten the flange to the cylinder head. The steel sleeve does not need to be removed for converter removal.





1. Install the O2 sensors (1 and 3).
2. Install the heatshield.
3. Guide the catalytic converter into the steel sleeve and install the upper flange bolts (2). Tighten bolts to 23 Nm (17 ft. lbs.).
4. Connect the O2 sensor connectors.





5. Install the battery tray box Battery Tray - Installation.

6. Raise the vehicle.




7. Align the Y-pipe flange (2) to the catalytic converter flange (5) and install the bolts (3). Tighten the bolts to 23 Nm (17 ft. lbs.).
8. Install the catalytic converter support bracket (7). Tighten the nuts (1) at to 23 Nm (17 ft. lbs.).
9. Check the exhaust system for contact with the body panels. Make adjustments, if necessary.
10. Lower vehicle.
11. Connect the negative battery cable.
12. Start the vehicle and inspect for exhaust leaks. Repair exhaust leaks as necessary.