Exhaust Particulate Filter Replacement 6.6L (LMM)

1. Remove the tail pipe. Refer to Tail Pipe Replacement.
2. Remove the exhaust temperature sensors. Refer to Exhaust Temperature Sensor Replacement - Position 1 and Exhaust Temperature Sensor Replacement - Position 2.
3. Remove the exhaust pressure differential sensor pipe. Refer to Exhaust Pressure Differential Sensor Pipe Replacement.
4. Remove the catalytic converter to particulate filter nuts.
5. Remove the exhaust particulate filter.
6. Remove and discard the exhaust particulate filter gasket.

1. Install a NEW gasket onto the catalytic converter studs.
2. Install the exhaust particulate filter.

Caution: Refer to Fastener Caution in the Preface section.

3. Install the catalytic converter to particulate filter nuts and tighten to 40 N·m (30 lb ft).
4. Install the exhaust pressure differential sensor pipe. Refer to Exhaust Pressure Differential Sensor Pipe Replacement.
5. Install the exhaust temperature sensors. Refer to Exhaust Temperature Sensor Replacement - Position 1 and Exhaust Temperature Sensor Replacement - Position 2.
6. Install the tail pipe. Refer to Tail Pipe Replacement.
7. Using a scan tool, perform the DPF Reset For Replace DPF.