Muffler, Exhaust: Installation: 6.2L/6.4L
NOTE:
When replacement is required on any component of the exhaust system, it is most important that original equipment parts (or their equivalent) be used.
- Apply penetrating oil to band clamps.
- With the help of an assistant, install the muffler/resonator assembly onto the catalytic converters, leaving the band clamps (1) loose at this point.
- Install both front isolator (1) mounting bolts (2) and tighten to the proper torque specifications. Refer to TORQUE SPECIFICATIONS .
- Install both rear isolator mounting bolts and tighten to the proper torque specifications. Refer to TORQUE SPECIFICATIONS .
- If removed, position the exhaust tip onto the resonator.
- Tighten the exhaust tip band clamp (1) to the proper torque specifications. Refer to TORQUE SPECIFICATIONS .
- Check for proper alignment and clearance to underbody and engine compartment components before tightening clamps.
- Check the clearance between muffler and resonator assembly and fuel tank. Clearance is 14mm (.55 in.) for V8 engine.
- The tailpipe should be centered in the rear fascia opening.
- Tighten the band clamps to the proper torque specifications. Refer to TORQUE SPECIFICATIONS .
- Connect the wire harness connector (1) to both electronic active exhaust valves.
- Lower the vehicle.
- Connect the negative battery cable.
- Start the engine and inspect for exhaust leaks. Repair exhaust leaks as necessary.




