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2008 mustang air doesn't switch from defrost to vents

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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philriden
  • 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

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chuck943
  • 783 Answers

SOURCE: Vent control

You have a vacuum leak.Defrost is the default postion(no vacuum).
See if you can locate the small black vacuum line that goes inside the vehicle on the passenger side near the heater core. The trace it back,should see it going to a canister then to the intake manifold.Make sure it is not disconnected or broken somewhere.

Posted on Mar 02, 2009

ourhowse
  • 2007 Answers

SOURCE: stuck on defrost

Check for vacuum lines under the hood that are loose, off, or cracked. With the engine running, wiggle them around and listen for a hissing sound.

Posted on May 22, 2009

  • 1 Answer

SOURCE: AIR FLOW STUCK IN DEFORST VENT WILL NOT SWITCH TO FLOOR OR AC VEN

I found a broken vacuum hose on top of the intake which runs the controls

Posted on May 30, 2009

  • 142 Answers

SOURCE: 2008 Nissan Versa - defrost

the deflector flap that move to direct air flow is stuck under the dash.

Posted on Jun 02, 2009

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1 Answer

2008 jeep liberty vents not blowing out air?


I also have an 08 liberty, but my issue is that the heat won't blow out on the floor....the air vents and defrosters work great. You can hear it trying to switch over but doesn't. You need a new Air Flap Actuator (16-$30) The real issue is that you have to take offf the whole das in order to fix it. That is abouy 9 hours worth of work.

Oct 08, 2012 | 2008 Jeep Liberty

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1996 GT Mustang, Air blows defrost and floor only, cannot get anything from the dash.


There is a small vacume line coming out of the firewall on the passenger side check to ensure that it is connected and not broken. Repair it and Walla the blend air door moves,

Sep 11, 2009 | 1996 Ford Mustang

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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

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

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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Air Conditioning Problem on a 92 GT mustang


Might be best to go for 60/2, sixty mph with 2 windows down! LOL Car is too old to be worried about little probs! Frankster016

Oct 19, 2008 | 1992 Ford Mustang

2 Answers

Heater and ac vents


You have a vaccum leak on the mustang. Unsure of the Contour.. I believe it is the middle hose where the three fittings are (right in front of the driver seat in the engine compartment) Mustangs are notorious for vaccum leaks there

Jun 07, 2008 | 1993 Ford Mustang

2 Answers

Ac and heater vents


i believe the switches use vacuum to adjust the panel to direct the flow from floor vent def.the switch is bad or there is a vacuum leak somewhere in the system.

Jun 07, 2008 | 1993 Ford Mustang

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