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95 mustang only blows hot air out of ac

I have a 95 ford mustang convertible that the ac started blowing only out of the defrost. I found a vacuum leak in the engine and repaired the line and it started blowing out the proper vents except now it only blows hot air. I had the ac evacuated and recharged at only 1.2 lbs but it is still only blowing hot air. I repaired one vacuum leak in the engine compartment am I to understand there may be another one. It is blowing out of the vents like it should now an I had it charged but still only hot air.

Posted by starstruck10 on

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1 Answer

Kenneth Simmons

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  • Ford Master
  • 1,134 Answers

Posted on Aug 19, 2018

Testimonial: "This was very helpful I had already located a vacuum leak but still needed to recharge system and reset it at the junction by jumping it. Thank you."

  • Kenneth Simmons Sep 11, 2018

    I have had dozens of vehicles over the last 40 years. I could not afford to pay somebody to do the work. This computer stuff is a blessing. I try to put stuff out there which might help someone. Thank you for your comment. When I read a question I think what if it were me. Sometimes I put stuff out there which is more than needed but I am thinking what would I have needed.
    Thank you

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5 Related Answers

VWdan

VWdan

  • 114 Answers

SOURCE: ac will not blow thru ac vents, only thru defrost vents.

if vent doors are operated by vacuum check for loose or broken vacuum hoses in the engine compartment , or check the fuse box for any ac/heat fuses if it is a electricaly controoled system

Posted on May 04, 2009

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Anonymous

  • 87 Answers

SOURCE: AC/BLOWS FROM DEFROST VENT ONLY

passenger side right above the airbox 1 plastic line it loves to pop off

Posted on Jun 08, 2008

Anonymous

  • 146 Answers

SOURCE: 1998 Mustang - AC blows only through Defrost vents

You probably have a vacuum leak on the passenger side. its a small plastic hose some times they come unpluged from the engine. or brake.

Posted on Jan 05, 2009

Anonymous

  • 20 Answers

SOURCE: Heat wont blow through heater or defroster vents

common problem, check under dash by the gas pedal if control arms are muving went selecting from ac to heat cuz this it is the control for the vents to go from ac to heat and to defrost.

Posted on Feb 23, 2009

gerry bissi

  • 4388 Answers

SOURCE: My 95 Ford Mustang will only blow air out the

check for a vacuum leak from the vacuum source on the engine to the heater control head.


defrost is fail safe mode.

A/C Vacuum Reservoir Tank and Bracket Removal and Installation

  1. Open the glove compartment (06010) .
  1. Working through the glove compartment , remove the vacuum reservoir retaining screw.
  1. Remove two vacuum hose tubes from the check valve and remove the A/C vacuum reservoir tank and bracket (19A566) .
  1. To install, reverse Removal procedure.

    A/C Vacuum Reservoir Tank and Bracket


    95adfe8.gif

Posted on Jun 06, 2009

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Open hood , passenger side firewall area, look for a thin,black vacuum line, follow it and look for any breaks or bad connection to its vacuum source. repair as necessary.

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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

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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

---------

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

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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.

Nov 28, 2012 | 2006 Ford Taurus

1 Answer

Just blowing air out of defrost vents


vacuum supply problem to the HVAC controls. check the vacuum hose leading from the engine to the passenger compartment.

Oct 02, 2009 | 1995 Ford Mustang

2 Answers

95 mustang Still tring to get air to blow out vents will only blow hot air out the defrost holes... no matter if i put it on vent or AC or heat its the same temp and it comes from the defrost holes Some...


check the vacuum lines in the selector switch. the baffles that switch from hot air and cool air are vacuum controlled and if the lines are detached or cracked the suction will not move the baffles.

Jun 18, 2009 | 1995 Ford Mustang

2 Answers

1996 ford mustang convertible ac blows cold only from defroster


Check the vaccum line at the vacuum distribution block (to the right of the brake master cylinder). It's the smallest vacuum hose.

Jun 11, 2009 | 1996 Ford Mustang

1 Answer

1996 ford mustang convertible ac blows cold only from defroster


Does it still blow out the floor and defrost when you set the switch to those positions or does it alway blow out the defrost no matter what? If you can get air to blow out to the floor, then it sounds like you lost the switch that controls the airflow to the vents. If it only blows out the defrost, then you probably lost the vacuum to all of the switches. When the vacuum is lost, it will only blow out the defrost. Check the smallest line on the vacuum distribution block located in the corner near the brake master cyclinder. That line provides the vacuum to control the direction of airflow within the cabin.

Jun 08, 2009 | 1996 Ford Mustang

2 Answers

My 95 Ford Mustang will only blow air out the defrost holes it will not blow out the vent or the floor what seems to be the problem ?


check for a vacuum leak from the vacuum source on the engine to the heater control head.


defrost is fail safe mode.

A/C Vacuum Reservoir Tank and Bracket Removal and Installation
  1. Open the glove compartment (06010) .
  1. Working through the glove compartment , remove the vacuum reservoir retaining screw.
  1. Remove two vacuum hose tubes from the check valve and remove the A/C vacuum reservoir tank and bracket (19A566) .
  1. To install, reverse Removal procedure.

    A/C Vacuum Reservoir Tank and Bracket


    95adfe8.gif

Jun 06, 2009 | 1995 Ford Mustang

1 Answer

1998 Mustang - AC blows only through Defrost vents


You probably have a vacuum leak on the passenger side. its a small plastic hose some times they come unpluged from the engine. or brake.

Jan 05, 2009 | 1998 Ford Mustang

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