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Home >> Jeep >> 2014 >> Wrangler Sahara, Standard Trans >> Repair and Diagnosis >> Engine Mechanical >> Exhaust System >> Converter, Catalytic >> Removal >> 3.6L >> Left Side

Left Side

  1. Disconnect the negative battery cable.
  2. Slightly raise the vehicle.
  3. Remove the drivers side front wheel.
  4. Remove the drivers side inner wheel splash shield.
    Fig 1: O2 Sensor & Flange Bolts
    GC0153988Courtesy of CHRYSLER GROUP, LLC
    NOTE:

    The catalytic converter flange is secured to the cylinder head. A steel sleeve holds the lower section of the converter flange to the head while two bolts fasten the flange to the cylinder head. The steel sleeve does not need to be removed for converter removal.

  5. Disconnect the upper (2) and lower O2 sensors wiring connectors.
  6. Saturate the bolts (1) and nuts with heat valve lubricant. Allow 5 minutes for penetration.
  7. Remove the upper catalytic converter flange bolts (1) from the cylinder head.
  8. Raise the vehicle.
    Fig 2: Flange Bolts
    GC0130341Courtesy of CHRYSLER GROUP, LLC
  9. If equipped, remove the engine skid plate.
  10. Remove the bolts (2) that secure the front drive shaft to the front differential flange (1).
  11. Remove the drive shaft from the flange and position aside.
    Fig 3: Y-Pipe & Flange Bolts
    GC0153989Courtesy of CHRYSLER GROUP, LLC
  12. Saturate the bolts (1) and nuts with heat valve lubricant. Allow 5 minutes for penetration.
  13. Remove the lower catalytic converter flange bolts (1) from the y-pipe (3).
  14. Using care. Lift the catalytic converter upwards to remove from the steel sleeve and out from the bottom of the vehicle.
  15. Remove the heatshield from the converter.
  16. Remove the O2 sensors.
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