Town & Country V6-3.8L VIN L (2006)
2. Connect the heater fuel line to the fuel tank.
3. Install the clamp that secure the heater fuel line to the fuel tank. Tighten the clamp securely.
4. Connect the heater fuel hose to the dosing pump and the heater fuel line.
5. Install the clamps that secure the heater fuel hose to the dosing pump and the heater fuel line. Tighten the clamps securely.
6. Lower the vehicle.
NOTE:
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Verify that there is more than 1/8 of a tank of fuel in the vehicle's fuel tank before performing this procedure. Add fuel, if necessary.
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Failure to prime the dosing pump after draining the supplemental cabin fuel line will prevent cabin heater activation during the first attempt to
start the cabin heater. This will also set a diagnostic trouble code (DTC) in the cabin heater control's memory. Do not perform the Dosing
Pump Priming procedure if an attempt was made to start the cabin heater without priming the dosing pump first. This will put excess fuel in the
cabin heater and cause smoke to emit from the cabin heater exhaust pipe when cabin heater activation occurs.
7. Connect the DRBIII(R) scan tool to the diagnostic link connector.
8. Turn the ignition to the ON position.
NOTE:
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Do not activate the dosing pump prime more than one time. This will put excess fuel in the supplemental cabin heater and cause smoke to emit
from the cabin heater exhaust pipe when cabin heater activation occurs.
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A clicking noise heard coming from the dosing pump indicates that the pump is operational.
9. With the DRBIII(R) scan tool in Cabin Heater, select System Tests and Dosing Pump Prime. Allow the dosing pump to run for the full 45 second
cycle time. When the 45 second cycle is complete, press Page Back on the DRBIII(R) scan tool key pad to exit the Dosing Pump Prime. The
Dosing Pump Priming procedure is now complete.