GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2009 🢒 Optra - Mexico 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Exhaust Particulate Filter Replacement

Removal Procedure

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


    Object Number: 1962455 Size: SH
  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.


    Object Number: 1962455 Size: SH

    Important: If replace the particulate filter with a new one, reset the DPF EEPROM values using the scan tool.

  1. Install the DPF assembly.

    2. Tighten
    Tighten the DPF retaining 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.