Muffler: Service and Repair

Removal Procedure





1. Raise and suitably support the vehicle. Refer to Vehicle Lifting.
2. Remove the track bar. Refer to Track Bar Replacement in Steering and Suspension.
3. Remove the drivers side rear tire.
4. Support the rear axle with jack stands.





5. Remove the passenger side rear stabilizer bar end link.





6. Disconnect the passenger side rear shock from the rear axle.





7. Remove the torque arm bolts at the rear axle.
Lower the rear axle slightly.





8. Remove the passenger side rear coil spring and bushing.





9. Remove the left exhaust hanger from the underbody.





10. Loosen the exhaust muffler clamp, (5.7 L shown, 3.8 L similar).
11. Lower the rear axle enough to remove the muffler.
12. Remove the muffler by rotating and sliding the muffler out from behind the vehicle.
13. Transfer the exhaust hanger(s) to the new muffler.

Installation Procedure





1. Install the exhaust muffler to the vehicle, (5.7 L shown, 3.8 L similar).
2. Raise the rear axle.

Notice: Refer to Fastener Notice in Service Precautions.

3. Tighten the exhaust muffler clamp.
^ Tighten the exhaust muffler clamp bolt to 48 Nm (35 ft. lbs.).





4. Install the left exhaust muffler hanger to the underbody.
^ Tighten the exhaust muffler hanger bolts to 10 Nm (89 inch lbs.).





5. Install the passenger side rear coil spring and bushing.





6. Raise the axle completely.
7. Install the torque arm bolts at the rear axle.
^ Tighten the torque arm bolts to 130 Nm (96 ft. lbs.).
^ Tighten to torque arm nuts to 132 Nm (97 ft. lbs.).





8. Connect the passenger side rear shock to the rear axle.
^ Tighten the rear shock nuts to 90 Nm (66 ft. lbs.).





9. Connect the passenger side rear stabilizer bar end link.
^ Tighten the end link nut to 23 Nm (17 ft. lbs.).
10. Remove the rear axle support.





11. Install the drivers side rear tire
^ Tighten the wheel nuts to 120 Nm (89 ft. lbs.).
12. Install the track bar. Refer to Track Bar Replacement in Steering and Suspension.
13. Lower the vehicle.