Diesel Particle Filter (DPF): Service and Repair

EXHAUST PARTICULATE FILTER REPLACEMENT (6.6L - PICKUP)

Removal Procedure






1. Remove the catalytic converter. Service and Repair
2. Remove the exhaust temperature sensors. Service and Repair
3. Remove the exhaust pressure differential sensor pipe. Service and Repair
4. Remove the exhaust muffler to exhaust particulate filter nuts (1).






5. Remove the exhaust particulate filter hangers from the exhaust insulators (1).






6. Remove the exhaust particulate filter. (2500/3500 crew cab shown, regular/extended cabs similar).
7. Remove and discard the exhaust particulate filter to muffler gasket.

Installation Procedure






1. Install a NEW gasket onto the exhaust muffler studs.
2. Install the exhaust particulate filter to the muffler studs.






3. Install the exhaust particulate filter hangers to the exhaust insulators (1).

Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.






4. Install the exhaust muffler to exhaust particulate filter nuts (1).

Tighten
Nuts to 45 Nm (33 lb ft).

5. Install the exhaust pressure differential sensor pipe.
6. Install the exhaust temperature sensors.
7. Install the catalytic converter.
8. Using a scan tool, perform the DPF Reset For Replace DPF.