5.7L Engine

WARNING: This page is about a different car, the 2016 Dodge Durango. However, it is still accessible from the selected car via links, so may be relevant.

WARNING:

If torches are used when servicing the exhaust system, do not allow any flame near the fuel lines or the fuel tank. Failure to follow these instructions may result in possible serious or fatal injury.

Fig 1: Front Exhaust Pipe/Catalytic Converter Assembly

Courtesy of CHRYSLER GROUP, LLC

Disconnect the negative cable
Raise and support the vehicle.
If equipped, remove skid plates. Refer to PLATE, SKID, FRONT, REMOVAL , PLATE, SKID, FRONT SUSPENSION, REMOVAL , PLATE, SKID, FUEL TANK, REMOVAL , PLATE, SKID, TRANSMISSION, REMOVAL or PLATE, SKID, TRANSFER CASE, REMOVAL .
Saturate the bolts (2) and nuts (3) with heat valve lubricant. Allow 5 minutes for penetration.

Fig 2: Transmission Crossmember Reinforcement Brackets & Oxygen Sensor Connectors
Courtesy of CHRYSLER GROUP, LLC
Remove transmission crossmember reinforcement brackets (1, 4).
If equipped, Remove the lower heat shield near the front driveshaft.
Remove the upstream and the downstream oxygen sensors from the exhaust. Refer to SENSOR, OXYGEN, REMOVAL .

Fig 3: Muffler Flange & Exhaust Pipe/Catalytic Converter Assembly
Courtesy of CHRYSLER GROUP, LLC
Remove the nuts from the front exhaust pipe/catalytic converter assembly to muffler flange (2).

Fig 4: Exhaust Pipe/Catalytic Converter Assembly, Bolts And Nuts
Courtesy of CHRYSLER GROUP, LLC
Remove bolts (4) and flanged nuts (1) at the exhaust manifold.
Remove the front exhaust pipe/catalytic converter assembly (1) from the vehicle.