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SuperDave
SuperDave, ASE Certified Technician
Category: Chrysler
Satisfied Customers: 1491
Experience:  over 16 years experience
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Chrysler Pacifica I need to know where the gas tank air vent

This answer was rated:

I need to know where the gas tank air vent filter is located and how to replace it.
I asked an earlier question and made the mistake of not saying AIR VENT just filter.
If it requires the removal of the gas tank I will need to know that procedure as well.
NOTE : This bulletin applies to all vehicles equipped with a gasoline
engine.

DISCUSSION:


Customer may report that the vehicle is hard to fill with fuel or that the fuel
pump
nozzle shuts off repeatedly while trying to fill vehicle.


This customer complaint can occur due to a number of different causes. The fuel
tank
is the least likely cause of this condition. The following Diagnostic
procedure can be used to diagnose the issues.


DIAGNOSIS:






















































1.Is the vehicle a LX/LE/LC/L2?








a.Yes >> proceed to Step # XXXXX
b.No >> proceed to Step # XXXXX
2.Idle the vehicle 60 to 90 seconds upon stopping.
3.Does tank refill properly?








a.No >> proceed to Step # XXXXX
b.Yes >> Inform the customer to idle the vehicle for 60 to 90 seconds
upon stopping if vehicle was driven aggressively. This is due to the fact that
on the LX/LE/LC/L2 the fuel
tank
is a unique saddle tank design and needs 30 to 60 seconds while the
engine is running to level the fuel in both half's of the fuel tank. Allowing
the vehicle to idle for this amount of time will let the fuel
pump
transfer fuel to the left side tank, opening the control valve and
allowing normal fuel filling.
4.Disconnect the vapor recirculation tube at the fuel
tank
.
5.Attempt to refill fuel
tank
.
6.Does tank refill properly?








a.Yes >> Proceed to Step # XXXXX
b.No >> Proceed to Step # XXXXX
7.Reconnect the vapor recirculation tube at the fuel
tank
.
8.Disconnect the other end of the vapor recirculation tube at the fuel filler
tube.
9.Attempt to refill fuel
tank
.
10.Does tank refill properly?








a.Yes >> Replace fuel filler tube.
b.No >> Replace the vapor recirculation tube.
11.Disconnect the control valve to EVAP canister tube at the fuel
tank
.
12.Reconnect the vapor recirculation tube at the fuel
tank
.
13.Does tank refill properly?








a.No >> Replace Fuel
Tank
.
b.Yes >> Proceed to
14.Reconnect the control valve to EVAP canister tube at the fuel
tank
.
15.Disconnect the control valve to EVAP canister tube at the EVAP canister.
16.Attempt to refill fuel
tank
.
17.Does tank refill properly?








a.Yes >> Blockage is in the EVAP Canister, or ESIM, or Clean air hose
(ESIM vent hose), or filter. Diagnose appropriately.
b.No >> Replace the control valve to EVAP canister tube.
SuperDave and 6 other Chrysler Specialists are ready to help you
graphic
SuperDave and 6 other Chrysler Specialists are ready to help you
    FUEL TANK REMOVAL
  1. Release the fuel
    pressure
    .
  2. Disconnect the negative battery cable.
  3. Drain fuel tank dry into holding tank or a properly labeled GASOLINE safety
    container.
  4. Raise vehicle and support.
  5. Disconnect the exhaust system between the catalytic
    converter
    and the muffler.
  6. Support the exhaust system with jack stands.
  7. Remove muffler hanger rubber garments.
  8. Remove the center exhaust hanger rubber grommets.
  9. Remove the rear portion of the exhaust system and set on floor.
  10. Disconnect the fuel tank electrical connector
  11. Disconnect the fuel line and EVAP line.
  12. Disconnect the vapor recirculation tube.
  13. Mark the driveshaft rear connection.
  14. Disconnect the driveshaft rear connection.
  15. Remove the driveshaft support/bearing.
  16. Support driveshaft on jack.
  17. Remove the left rear tire and splash shield.
  18. Remove the fuel filler tube from the rubber hose at fuel tank.
  19. Support the fuel tank with a transmission jack.
  20. Remove the 2 fuel tank straps.
  21. Lower fuel tank
  22. Drain Fuel Tank, use an approved GASOLINE draining station.
  23. Remove tank from vehicle
SuperDave and 6 other Chrysler Specialists are ready to help you

INSTALLATION


  1. Support the fuel tank with a transmission jack.
  2. Raise fuel tank and install to vehicle.
  3. Install the 2 fuel tank straps.
  4. Install the fuel filler tube to the rubber hose at fuel tank.
  5. Connect the vapor recirculation tube.
  6. Connect the fuel line and EVAP
    line.
  7. Connect the fuel tank electrical connector.
  8. Support driveshaft on jack.
  9. Install the driveshaft support/bearing.
  10. Align the Marks on the driveshaft to the rear connection.
  11. Connect the driveshaft rear connection.
  12. Install the exhaust system and tighten clamp.
  13. Install the center exhaust hanger rubber grommets.
  14. Install muffler hanger rubber grommets.
  15. Install the left rear tire. (16) Lower vehicle.


  1. Connect the negative battery cable.
  2. Fill fuel tank. Use the DRBIII(R) scan tool to pressurize the fuel system.
    Check for leaks.
SuperDave and 6 other Chrysler Specialists are ready to help you