RAM 1500 Truck 2WD V8-4.7L (2008)
Catalytic Converter: Removal and Replacement
Catalytic Converter - Removal
3.7L/4.7L ENGINE
1. Raise and support vehicle.
2. Saturate the bolts and nuts with heat valve lubricant. Allow 5 minutes for penetration.
3. Disconnect oxygen sensor electrical connectors.
4. Remove clamp (4).
5. Remove bolts exhaust to manifold (2).
6. Remove catalytic converter (3).
Catalytic Converter - Installation
3.7L/4.7L ENGINE
1. Install RH catalytic converter to exhaust clamp (4) on RH catalytic converter (3) and position into exhaust pipe (5).
2. Install and hand tighten RH catalytic converter to exhaust manifold bolts (2).
3. Install c-clip nut (1) and bolt (2) to converter (3) to manifold.
4. Tighten catalytic converter to exhaust manifold bolts (1) to 31 Nm (23 ft. lbs.).
5. Tighten all clamp nuts (4) to 52.2 Nm (40 ft. lbs.) torque.
6. Check the exhaust system for contact with the body panels. A minimum of 25 mm (1.0 in.) is required between the exhaust system components and
body/frame parts. Make the necessary adjustments, if needed.
7. Check to ensure you have at least 25 mm clearance to oil pan.
