Removal And Installation

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. Raise and support the vehicle. Refer to HOISTING, STANDARD PROCEDURE .
3. Drain the Diesel Exhaust Fluid (DEF) tank. Refer to DIESEL EXHAUST FLUID EMISSIONS, STANDARD PROCEDURE .
4. Remove the right rear wheel splash shield. Refer to SHIELD, SPLASH, REAR WHEELHOUSE, REMOVAL AND INSTALLATION .

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5. Remove the fasteners (1) and the Diesel Exhaust Fluid (DEF) tank shield (2).

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6. Disconnect the DEF pump wire harness connector (4).
7. Disconnect the DEF level sensor wire harness connector (3).
8. Disconnect the DEF the supply line heater wire harness connector (1).
9. Disconnect the DEF the supply line (2). Refer to FITTING, QUICK CONNECT, STANDARD PROCEDURE .

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10. Disconnect the quick connectors for the DEF tank filler tube and breather tube (1).
11. Position a transmission jack under DEF tank.

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12. Remove the bolts (1) and the DEF tank (2).
13. Lower the DEF tank and remove the DEF tank from transmission jack.

INSTALLATION 

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1. Position the Diesel Exhaust Fluid (DEF) Tank onto transmission jack and raise tank into place.
2. Install the DEF tank bolts (1) and tighten to the proper specification. Refer to DIESEL EXHAUST FLUID EMISSIONS, TECHNICAL SPECIFICATIONS .
3. Remove the transmission jack.

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4. Connect the DEF fill tube and the vent tube (1) to the DEF tank.

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5. Connect the DEF level sensor wire harness connector (3).
6. Connect the DEF heater wire harness connector (1).
7. Connect the DEF supply line connector.

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8. Install the DEF tank shield (2) and the fasteners (1).
9. Install the right rear wheel splash shield. Refer to SHIELD, SPLASH, REAR WHEELHOUSE, REMOVAL AND INSTALLATION .
10. Remove the support and lower the vehicle.
11. Fill the DEF tank with clean fresh fluid.
12. Connect the negative battery cable. If equipped with an Intelligent Battery Sensor (IBS), connect the IBS connector.
13. Using a scan tool, perform DEF Pump Replacement  function found under MISCELLANEOUS FUNCTIONS.
    NOTE:

    You may be require to run the DEF Pump Replacement  procedure two to three times to ensure that the pump is properly primed.

14. Using a scan tool, perform DEF Tank Fluid Level Reset  function found under MISCELLANEOUS FUNCTIONS.