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Home >> Jeep >> 2018 >> Grand Cherokee Laredo, RWD >> Repair and Diagnosis >> Engine Mechanical >> Exhaust System >> Converter, Catalytic >> Removal >> 5.7L/6.4L

Converter, Catalytic: Removal: 5.7L/6.4L

GC0080046Courtesy of CHRYSLER GROUP, LLC
1 - OXYGEN SENSOR
2 - OXYGEN SENSOR CONNECTOR
3 - BALL FLANGE NUT
4 - LH CATALYTIC CONVERTER
CAUTION:

When separating the catalytic converters from the manifolds, disconnect the oxygen sensor connectors. Allowing the catalytic converters to hang from the oxygen sensor wires damages the harness or sensors.

NOTE:

Left side shown, right side similar.

  1. Disconnect the negative battery cable.
  2. Raise and support the vehicle.
  3. Saturate all exhaust bolts and nuts with Mopar® Rust Penetrant. Allow five minutes for penetration.
  4. Disconnect the O2S sensor electrical connectors (2).
  5. Remove the catalytic converter to manifold flange nuts (3) and separate the catalytic converters (4) from the exhaust manifolds.
    GC0144491Courtesy of CHRYSLER GROUP, LLC
  6. Remove the front exhaust pipe band clamps (2) on the exhaust pipe/muffler and resonator assembly (1).
  7. Separate the exhaust pipe/muffler and resonator assembly from the catalytic converters (3 and 4).
  8. Remove the catalytic converters.