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Home › Jeep › 2019 › Compass Trailhawk › Repair and Diagnosis › Engine Performance › System › Emissions Control › Diesel Exhaust Fluid Emissions › Line, Diesel Exhaust Fluid Supply › Removal And Installation › Front Line

Front Line

REMOVAL 

  1. Disconnect and isolate the negative battery cable. If equipped with an Intelligent Battery Sensor (IBS), disconnect the IBS connector first before disconnecting the negative battery cable.
  2. Remove the engine cover. Refer to the appropriate Service Information .
  3. Remove the battery tray. Refer to TRAY, BATTERY, REMOVAL AND INSTALLATION .
    GC0188452Courtesy of CHRYSLER GROUP, LLC
  4. Disconnect the Diesel Exhaust Fluid (DEF) supply line connector (1) from the dosing injector. Refer to FITTING, QUICK CONNECT, STANDARD PROCEDURE .
  5. Release the DEF supply line from the retaining clips (2).
  6. Raise and support the vehicle. Refer to HOISTING, STANDARD PROCEDURE .
  7. Remove the left side underbody belly pan. Refer to BELLY PAN, REMOVAL AND INSTALLATION .
    GC0188527Courtesy of CHRYSLER GROUP, LLC
  8. Remove the plastic push pin (1) from left front wheel splash shield and position aside.
    GC0188373Courtesy of CHRYSLER GROUP, LLC
  9. Disconnect the wire harness connector (1) for the DEF heater.
  10. Disconnect the DEF supply line quick connector (2a). Refer to FITTING, QUICK CONNECT, STANDARD PROCEDURE .
  11. Disconnect the supply line routing clips and remove the supply line (2b).

INSTALLATION 

GC0188458Courtesy of CHRYSLER GROUP, LLC
  1. Install the front Diesel Exhaust Fluid (DEF) supply line (1a) and connect the quick connector (1b).
  2. Connect the DEF heater wire harness connector (2).
  3. Install the left side underbody belly pan. Refer to BELLY PAN, REMOVAL AND INSTALLATION .
    GC0188382Courtesy of CHRYSLER GROUP, LLC
  4. Position the left front splash shield and install plastic push pin (1).
  5. Remove the support and lower the vehicle.
    GC0188493Courtesy of CHRYSLER GROUP, LLC
  6. Connect the supply line to routing clips (2).
  7. Connect the supply line to the DEF injector (1).
  8. Install the battery tray. Refer to TRAY, BATTERY, REMOVAL AND INSTALLATION .
  9. Install the engine cover. Refer to the appropriate Service Information .
  10. Connect the negative battery cable. If equipped with an Intelligent Battery Sensor (IBS), connect the IBS connector.
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