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Catalyst, Diesel Oxidation: Removal: Removal

  1. Disconnect and isolate the negative battery cable.
  2. Partially raise and support the vehicle. Refer to HOISTING, STANDARD PROCEDURE .
  3. Remove the front right wheelhouse splash shield. Refer to SHIELD, SPLASH, WHEELHOUSE, REMOVAL .
    Fig 1: Identifying Exhaust Temperature Sensor System Components
    GC0169905Courtesy of CHRYSLER GROUP, LLC
  4. Remove the exhaust temperature sensor. Refer to SENSOR, EXHAUST TEMPERATURE, REMOVAL .
  5. Remove the oxygen sensor. Refer to SENSOR, OXYGEN, REMOVAL .
  6. Remove the bolts (2, 4) and the heat shield (3).
  7. Raise and support the vehicle.
  8. Saturate the exhaust bolts and nuts (3) with Mopar® Rust Penetrant. Allow 5 minutes for penetration.
  9. Remove the Diesel Particulate Filter (DPF). Refer to FILTER, DIESEL PARTICULATE, REMOVAL .
    Fig 2: Identifying Bolts & Diesel Oxidation Catalyst Isolator
    GC0169874Courtesy of CHRYSLER GROUP, LLC
  10. Remove the bolts (2) and the Diesel Oxidation Catalyst (DOC) isolator (2).
    Fig 3: Identifying Diesel Oxidation Catalyst & Nuts
    GC0169826Courtesy of CHRYSLER GROUP, LLC
  11. Remove the nuts (1) from the DOC-to-turbocharger flange.
  12. Remove the DOC (2) from the vehicle.
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