For 1990-2009 cars

### Removal Procedure

Warning: Refer to Battery Disconnect Warning in the Preface section.

1. Disconnect the negative battery cable.
2. Disconnect the exhaust gas temperature (EGT) sensor 2 connector.
3. Disconnect the diesel particulate filter (DPF) pressure hoses.
4. Remove the DPF assembly.

### Installation Procedure

Caution: Refer to Fastener Caution in the Preface section.

Note: If replacing the DPF with a new one, reset the DPF EEPROM values using a scan tool.

1. Install the DPF assembly and tighten the nuts to 30 N·m (22.1 lb ft).
2. Connect the exhaust gas temperature (EGT) sensor 2 connector.
3. Connect the negative battery cable.