Catalytic Converter: Notes

REMOVAL 

1. Remove the intake air tube. Refer to TUBE, INTAKE AIR, REMOVAL AND INSTALLATION .
2. Reposition the EGR tube. Refer to TUBE, EXHAUST GAS RECIRCULATION (EGR), REMOVAL AND INSTALLATION .
3. Disconnect the exhaust pipe from the catalytic converter and reposition it to provide clearance for catalytic converter removal. Refer to PIPE, EXHAUST, REMOVAL AND INSTALLATION .
4. Remove the rear engine mount insulator bolt and roll engine forward to provide access to remove catalytic converter heat shield fasteners. Refer to INSULATOR, ENGINE MOUNT, REMOVAL AND INSTALLATION .
5. Remove the bolts and catalytic converter heat shield.

   Courtesy of CHRYSLER GROUP, LLC

   1 - Catalytic Converter Heat Shield

   2 - Catalytic Converter Heat Shield Bolts

6. Remove the bolts and the turbocharger heat shield.

   Courtesy of CHRYSLER GROUP, LLC

   1 - Turbocharger Heat Shield Bolts

   2 - Turbocharger Heat Shield

7. Disconnect the downstream oxygen sensor wire harness connector.
8. Loosen the catalytic converter to turbocharger exhaust clamp bolt.

   Courtesy of CHRYSLER GROUP, LLC

   1 - Exhaust Clamp

   2 - Catalytic Converter

   3 - Catalytic Converter Bracket Bolt

   4 - Catalytic Converter Bracket Nut

9. Remove the catalytic converter bracket bolt, nut and nut stud.
10. Carefully remove the catalytic converter from the bottom of the vehicle.
11. If required, remove the oxygen sensor and/or support bracket from the catalytic converter.

INSPECTION AND CLEANING 

INSPECTION 

• Look at the stainless steel body of the Catalytic Converter assembly, inspect for bulging or other distortion that could be a result of overheating.
• Indication of exhaust gas leakage such as soot trails.
• Joint misalignment.
• Denting of greater than 6.3 mm (0.25 in.).
• Outer shell torn, cracked or otherwise damaged.
• Loose or damaged core.

INSTALLATION 

During installation, torque the fasteners to the specifications in the torque table(s) below.

Follow the removal procedure in reverse for general reassembly of the components on the vehicle. The steps listed below are calling out specific procedures that should be followed during installation.

• Make sure the catalytic converter is correctly positioned and properly aligned. The minimum clearance between components is 25.4 mm (1 in.) is required.
• Start the vehicle and inspect for exhaust leaks. Repair exhaust leaks as necessary. Refer to LEAK TESTING  .

TORQUE SPECIFICATIONS