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Dodge Nitro. Manual - part 611

5. Remove bolts (1) and flanged nuts at the manifold.

6. Lower the front exhaust pipe/catalytic converter assembly (3) and slide out of the mount at the

transmission (if equipped).

7. Remove the front exhaust pipe/catalytic converter assembly from the vehicle.

REMOVAL-2.8L DIESEL

Fig. 7: Catalytic Converter - 2.8L Diesel
Courtesy of CHRYSLER LLC

1. Raise and support the vehicle.

2. Saturate the bolts and nuts with heat valve lubricant. Allow 5 minutes for penetration.

3. Remove diesel particulate filter (DPF), if equipped.

4. Remove two bracket bolts (2).

5. Remove the nuts (1) from the front catalytic converter to turbocharger flange.

6. Lower the catalyst assembly (2) and slide out of the mount at the transmission (if equipped).

7. Remove the front exhaust pipe/catalytic converter assembly from the vehicle.

INSPECTION

1 - NUT
2 - MOUNTING BOLT
3 - CATALYTIC CONVERTER

WARNING:

If torches are used when working on the exhaust system, do not allow the
flame near the fuel lines.

2007 Dodge Nitro R/T

2007 ENGINE Exhaust System And Turbocharger - Nitro

Look at the stainless steel body of the converter, inspect for bulging or other distortion that could be a result of
overheating. If the converter has a heat shield attached make sure it is not bent or loose.

If you suspect internal damage to the catalyst, tapping the bottom of the catalyst with a rubber mallet may
indicate a damaged core.

INSTALLATION

INSTALLATION-2.8L DIESEL

Fig. 8: Catalytic Converter - 2.8L Diesel
Courtesy of CHRYSLER LLC

1. Position the front catalytic converter assembly (3) onto the turbocharger.

2. Install two catalytic converter mounting bolts. Tighten bolts to 27 N.m (19 ft. lbs.) torque.

3. Install DPF, if equipped. See REMOVAL.

4. 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.

5. Lower the vehicle.

6. Start the vehicle and inspect for exhaust leaks. Repair exhaust leaks as necessary.

7. Check the exhaust system for contact with the body panels. Make adjustments, if necessary.

INSTALLATION-3.7L ENGINE

1 - NUT
2 - MOUNTING BOLT
3 - CATALYTIC CONVERTER

2007 Dodge Nitro R/T

2007 ENGINE Exhaust System And Turbocharger - Nitro

Fig. 9: 3.7L Catalytic Converter
Courtesy of CHRYSLER LLC

1. Position the front exhaust pipe and catalytic converter assembly (3) into the mount at the transmission (if

equipped) and onto the exhaust manifold flange connection.

2. Install the nuts at the front exhaust pipe and catalytic converter assembly to muffler flange. Do not

tighten.

3. 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.

4. Tighten the bolt (1) at exhaust manifold to 27 N.m (19 in. lbs.) torque.

5. Tighten the front exhaust pipe and catalytic converter assembly to muffler flange nuts to 27 N.m (19 ft.

lbs.) torque.

6. Position the front pipe onto the exhaust manifold flange connection. Tighten the clamp to 10 N.m (95 in.

2007 Dodge Nitro R/T

2007 ENGINE Exhaust System And Turbocharger - Nitro

lbs.) torque.

7. Connect oxygen sensor electrical connectors.

8. Lower the vehicle.

9. Start the vehicle and inspect for exhaust leaks. Repair exhaust leaks as necessary.

10. Check the exhaust system for contact with the body panels. Make adjustments, if necessary.

MUFFLER

REMOVAL

Fig. 10: Muffler/Resonator Assembly
Courtesy of CHRYSLER LLC

1. Raise vehicle on hoist.

2. Remove exhaust pipe to muffler and tailpipe assembly clamp nuts (2).

3. Using a suitable pry bar, pry muffler and tailpipe assembly out of exhaust hanger.

4. Remove muffler and tailpipe assembly (3) from vehicle.

INSTALLATION

1 - CATALYTIC CONVERTER PIPE
2 - CLAMP
3 - MUFFLER/RESONATOR/TAILPIPE ASSEMBLY
4 - HANGER ROD

2007 Dodge Nitro R/T

2007 ENGINE Exhaust System And Turbocharger - Nitro

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