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I have a 2007 dodge grandcaravan and when i turn on the ac it blows cold in the front and hot in the rear anybody have any suggestions to why?

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  • Cars & Trucks Master
  • 443 Answers

Somewhere in this caravan there has to be an orfice to the rear .. it is plugged up where ever it is.. Likley on the firewall on the hoses headed back ..

Posted on Jun 26, 2014

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Posted on Jan 02, 2017

  • 85 Answers

SOURCE: 2002 Dodge Durango

blower motor resistor maybe why it only blows on high

Posted on Jul 02, 2008

  • 6 Answers

SOURCE: Rear a/c not blowing cold, front works fine.

probably the same problem as the '99. you probably lost too much coolant. charge with dye and check for leaks, (these things lose refrigerant normally, so you may not have a bonafide leak but check anyway) change the accumulator as a matter of course. evac the system and make sure you lose no vac over the course of 5 to 10 min. recharge the system for the proper weight (which is on the accum sticker) if you need detailed instructions let me know.

Posted on Jun 16, 2009

emissionwiz
  • 75822 Answers

SOURCE: Front Blower

ok, missed the part about the rear ac working, the part that causes this is called the air temperature control blend door actuator motor, it is an electric motor driven gear drive that moves the plastic door inside the air ducking to mix or shut off the hot or cold air from the ac evaporator core or the heater core, you will need to replace it.

Posted on Sep 03, 2009

Testimonial: "Great thanks that could be my problem. Is the motor by the inside coil"

  • 170 Answers

SOURCE: 2003 Dodge Durango SLT, A/C Problem

The rear A/C system in the Durango has its own AC and heater core like the front system does. There is a plastic flapper valve back there that either directs the air to one or the other depending on what you have selected up front.

While the part is not too expensive, the labor to get there requires removal of the interior panel on that side which is not fun. It can be done though.

Try www.durangoclub.com for more info.

Don

Posted on Apr 17, 2010

toneman2121
  • 775 Answers

SOURCE: 2007 dodge 5.9 l diesel AC blow hot air we have

does the compressor clutch energize? this can be determined by listening in the engine compartment for the clutch to engage. there will be a clicking sound along with the engine adjusting rpm's for the added load of the compressor. check fuses and relays. if it is not engaging. the low pressure switch also may be faulty. it tells the compressor to turn on when pressure drops. which is normal. you can test it by using a paper clip to jumper the two terminals in the connector. it is located on the same a/c line as the low pressure fill port, between the evaporator, which is in the passenger compartment, and the compressor. if the fuses and relays are good, and the compressor doesn't cycle when the switch is jumped, change the low pressure switch. fuses and relays can be found in the owners manual. if you haven't got one, download one at dodge.com.

here's more info:

http://www.aa1car.com/air_conditioning.htm

Posted on Jun 09, 2010

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1 Answer

My 1999 caravan is blowing cold air


Check the water Coolant level in the coolant reservoir and also remove the radiator cap, which tends not to be on the radiator any more and check it is full. Also burp the system by removing air licks buy sqeezing the radiator hoses when the system is hot. Remove the radiator cap before you do this. You also need to check the thermostat for correct operation as it might be stuck closed. Remove it, put it in a pot of warm water put it on the stove and you should see it open before it comes to a simmer.

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My heater does not blow in floor in a dodgeram 1500


the heater vacuum motor and lines needs to be checked.Also get the blend door checked.

NO HEAT ON FLOOR VENTS

---------

As per your problem mentioned. There are few solved help links to troubleshoot these problems. Go through the list and Click the link below:----

2000 Toyota Avalon: No heat on Passenger Side?

http://whatisbyme.blogspot.in/2012/05/2000-toyota-avalon-no-heat-on-passenger.html


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No heat on Oldsmobile Silhouette?


http://technoanswers.blogspot.in/2012/02/no-heat-on-oldsmobile-silhouette.html

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http://schematicsdiagram.blogspot.in/2012/02/heater-blows-cold.html

-----------

Heat blows cold on drivers side and hot on passenger side?

http://schematicsdiagram.blogspot.com/2011/12/heat-blows-cold-on-drivers-side-and-hot.html

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Hot air on the driver's side vents only?

http://repairhelpcenter.blogspot.com/2012/01/hot-air-on-drivers-side-vents-only.html

--------------

Temperature gauge does not move and no heat when heater is ON?

http://technoanswers.blogspot.com/2012/01/temperature-gauge-does-not-move-and-no.html

-----------

1992 Toyota Camry: A/C Control light Flashing and A/C not Blowing Cold?

http://technoanswers.blogspot.in/2012/04/1992-toyota-camry-ac-control-light.html

--------------

No heat, blower blows only cold?

http://technoanswers.blogspot.in/2012/02/no-heatblower-blows-only-cold.html

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Ford F150 Ac only blows through defrost vents?

http://technoanswers.blogspot.com/2012/01/forf-f150-ac-only-blows-through-defrost.html

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Dodge A/C come out of defrost vents only?

http://technoanswers.blogspot.com/2012/01/dodge-ac-come-out-of-defrost-vents-only.html

---------

Ac vacuum line on dodge cummins?

http://technoanswers.blogspot.com/2012/01/ac-vacuum-line-on-dodge-cummins.html

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Ford ranger AC blows cold through defrost vents instead on cabin vents?

http://technoanswers.blogspot.com/2012/01/ford-ranger-ac-blows-cold-through.html

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2005 Chrysler PT Cruiser: A/C Blows Warm?

http://whoisbyme.blogspot.in/2012/06/2005-chrysler-p8t-cruiser-ac-blows-warm.html

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2009 Mercury Grand Marquis: A/C blows Cold From Defrost Vent Only?

http://whoisbyme.blogspot.in/2012/06/2009-mercury-grand-marquis-ac-blows.html

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AC not blowing through Vents on 2007 Chevy Trailblazer?

http://schematicsdiagram.blogspot.in/2012/04/ac-not-blowing-through-vents-on-2007.html

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Passenger side temperature is warm air out of dash vents?

http://schematicsdiagram.blogspot.in/2012/04/passenger-side-temperature-is-warm-air.html

----------


These will help.

Thanks.

Nov 28, 2012 | Cars & Trucks

1 Answer

No heat from vents


As per your problem mentioned. There are few solved help links to troubleshoot these problems. Go through the list and Click the link below:----

2000 Toyota Avalon: No heat on Passenger Side?

http://whatisbyme.blogspot.in/2012/05/2000-toyota-avalon-no-heat-on-passenger.html

------------

No heat on Oldsmobile Silhouette?


http://technoanswers.blogspot.in/2012/02/no-heat-on-oldsmobile-silhouette.html

------------

Heater blows cold?

http://schematicsdiagram.blogspot.in/2012/02/heater-blows-cold.html

-----------

Heat blows cold on drivers side and hot on passenger side?

http://schematicsdiagram.blogspot.com/2011/12/heat-blows-cold-on-drivers-side-and-hot.html

----------

Hot air on the driver's side vents only?

http://repairhelpcenter.blogspot.com/2012/01/hot-air-on-drivers-side-vents-only.html

--------------

Temperature gauge does not move and no heat when heater is ON?

http://technoanswers.blogspot.com/2012/01/temperature-gauge-does-not-move-and-no.html

-----------

1992 Toyota Camry: A/C Control light Flashing and A/C not Blowing Cold?

http://technoanswers.blogspot.in/2012/04/1992-toyota-camry-ac-control-light.html

--------------


No heat, blower blows only cold?

http://technoanswers.blogspot.in/2012/02/no-heatblower-blows-only-cold.html
----------

Ford F150 Ac only blows through defrost vents?

http://technoanswers.blogspot.com/2012/01/forf-f150-ac-only-blows-through-defrost.html

----------

Dodge A/C come out of defrost vents only?

http://technoanswers.blogspot.com/2012/01/dodge-ac-come-out-of-defrost-vents-only.html

---------

Ac vacuum line on dodge cummins?

http://technoanswers.blogspot.com/2012/01/ac-vacuum-line-on-dodge-cummins.html

---------

Ford ranger AC blows cold through defrost vents instead on cabin vents?

http://technoanswers.blogspot.com/2012/01/ford-ranger-ac-blows-cold-through.html

----------

2005 Chrysler PT Cruiser: A/C Blows Warm?

http://whoisbyme.blogspot.in/2012/06/2005-chrysler-p8t-cruiser-ac-blows-warm.html


-------------

2009 Mercury Grand Marquis: A/C blows Cold From Defrost Vent Only?

http://whoisbyme.blogspot.in/2012/06/2009-mercury-grand-marquis-ac-blows.html

-----------

AC not blowing through Vents on 2007 Chevy Trailblazer?

http://schematicsdiagram.blogspot.in/2012/04/ac-not-blowing-through-vents-on-2007.html

----------

Passenger side temperature is warm air out of dash vents?

http://schematicsdiagram.blogspot.in/2012/04/passenger-side-temperature-is-warm-air.html

----------


These will help.

Thanks.

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1 Answer

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Vent door cable or actuator broken or malfunctioning.

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2 Answers

Front Blower


ok, missed the part about the rear ac working, the part that causes this is called the air temperature control blend door actuator motor, it is an electric motor driven gear drive that moves the plastic door inside the air ducking to mix or shut off the hot or cold air from the ac evaporator core or the heater core, you will need to replace it.

Sep 03, 2009 | 2002 Dodge Durango

1 Answer

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Have the compressor tested

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1 Answer

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Yep,I'd agree. The difference in coldness is unrelated to the compressor issue. That a bad vent motor or something like that on the heater box in front. Change the "h" valve or otherwise known as the "expansion" valve too.

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1 Answer

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