need vent help

91cobra5.0 · August 21st, 2008, 08:46 PM

no matter what i turn the dial to only the defroster works, i replaced he controls and it still doesnt work, what sensor do you guys think i am having trouble with if there are any sensors?

C MY 4D · August 21st, 2008, 08:48 PM

I'm pretty sure its vacuum controlled.... So make sure the vacuum line in the engine compartment is still hooked up.

91cobra5.0 · August 21st, 2008, 09:06 PM

would ne one happen to have a picture of the line im lookin for?

93mustank · August 21st, 2008, 09:07 PM

The vacuum line will run along the fire wall...... Goes from the driver side the pass side......

91cobra5.0 · August 21st, 2008, 09:12 PM

theres a few that do that, is it a skinny or a fatty?

nolife · August 21st, 2008, 09:20 PM

It is the little hard plastic one that runs from the vac tee along the firewall and goes in on the upper part of the passenger side buy the hood hinge. I believe there is also a little round check valve on it about an inch in diameter. I'm describing this from memory on my non stock Mustang so stock my be a little different like it may be connected to the vac tree that hangs near the throttle body instead. Those hard plastic lines get brittle over time and crack easliy. I had the same problem a few weeks ago. There is also a vac tree inside the car with colored lines in it, again, from limited memory and I may be confused but it should be near the passenger side under the glove box?.

91cobra5.0 · August 21st, 2008, 09:32 PM

yea that little tree thing you are talking about i know those line broke, but i dont know were to find them does anyone?

91cobra5.0 · August 21st, 2008, 09:37 PM

will generic vaccum lines work and if so does anyone have a diagram?

nolife · August 21st, 2008, 09:44 PM

Originally Posted by 91cobra5.0

will generic vaccum lines work and if so does anyone have a diagram?

You can slide a regular vac line over the hard plastic ones.

Some diagrams compliments of tmoss.

http://www.veryuseful.com/mustang/te...m_controls.gif
http://www.veryuseful.com/mustang/te...uumDiagram.jpg

91cobra5.0 · August 21st, 2008, 09:57 PM

thats confusing were are the lines that run to this

nolife · August 21st, 2008, 10:28 PM

Its dark now but if no one responds by tomorrow, I can look at my other Mustang and trace them out.

93mustank · August 21st, 2008, 10:34 PM

The one pictured has nothing to do with it

1slo5.0 · August 22nd, 2008, 08:09 AM

The vacuum line in the picture looks like an emissions line from the passenger side of the engine compartment.

91cobra5.0 · August 22nd, 2008, 11:13 AM

Originally Posted by Darrell

The vacuum line in the picture looks like an emissions line from the passenger side of the engine compartment.

thats were it came from but i had no idea were it is for

August 21st, 2008, 08:46 PM	#1
91cobra5.0 Hardcore Enthusiast 94 GT Join Date: Jan 2008 Location: Bay Area, Ca Posts: 2,055 iTrader: 0 reviews	need vent help no matter what i turn the dial to only the defroster works, i replaced he controls and it still doesnt work, what sensor do you guys think i am having trouble with if there are any sensors? __________________ 94 GT - Deep Forest Green Off road X, flowmaster single chambers, typhoon intake, hurst short throw, CAI, eibach sportlines, 315s, foxbody short block

August 21st, 2008, 08:48 PM	#2
C MY 4D Billy Weston 2003 Cobra 11.14@124.36 Join Date: Aug 2006 Location: Hampton, VA Posts: 4,794 iTrader: 7 reviews	I'm pretty sure its vacuum controlled.... So make sure the vacuum line in the engine compartment is still hooked up. __________________ TT Build in progress....... Need work done to your car for a great price in Hampton Roads? Shoot me a PM.

August 21st, 2008, 09:06 PM	#3
91cobra5.0 Hardcore Enthusiast 94 GT Join Date: Jan 2008 Location: Bay Area, Ca Posts: 2,055 iTrader: 0 reviews	would ne one happen to have a picture of the line im lookin for? __________________ 94 GT - Deep Forest Green Off road X, flowmaster single chambers, typhoon intake, hurst short throw, CAI, eibach sportlines, 315s, foxbody short block

August 21st, 2008, 09:07 PM	#4
93mustank Banned Join Date: Aug 2008 Location: Phoenix,AZ Posts: 3,014 iTrader: 1 reviews	The vacuum line will run along the fire wall...... Goes from the driver side the pass side...... __________________ PeteAndersonRacing.com

August 21st, 2008, 09:12 PM	#5
91cobra5.0 Hardcore Enthusiast 94 GT Join Date: Jan 2008 Location: Bay Area, Ca Posts: 2,055 iTrader: 0 reviews	theres a few that do that, is it a skinny or a fatty? __________________ 94 GT - Deep Forest Green Off road X, flowmaster single chambers, typhoon intake, hurst short throw, CAI, eibach sportlines, 315s, foxbody short block

August 21st, 2008, 09:20 PM	#6
nolife Hardcore Enthusiast 91GT, 88GT, 02GT Join Date: Dec 2006 Posts: 2,878 Blog Entries: 3 iTrader: 0 reviews	It is the little hard plastic one that runs from the vac tee along the firewall and goes in on the upper part of the passenger side buy the hood hinge. I believe there is also a little round check valve on it about an inch in diameter. I'm describing this from memory on my non stock Mustang so stock my be a little different like it may be connected to the vac tree that hangs near the throttle body instead. Those hard plastic lines get brittle over time and crack easliy. I had the same problem a few weeks ago. There is also a vac tree inside the car with colored lines in it, again, from limited memory and I may be confused but it should be near the passenger side under the glove box?. __________________ Last edited by nolife; August 21st, 2008 at 09:23 PM.

August 21st, 2008, 09:32 PM	#7
91cobra5.0 Hardcore Enthusiast 94 GT Join Date: Jan 2008 Location: Bay Area, Ca Posts: 2,055 iTrader: 0 reviews	yea that little tree thing you are talking about i know those line broke, but i dont know were to find them does anyone? __________________ 94 GT - Deep Forest Green Off road X, flowmaster single chambers, typhoon intake, hurst short throw, CAI, eibach sportlines, 315s, foxbody short block

August 21st, 2008, 09:37 PM	#8
91cobra5.0 Hardcore Enthusiast 94 GT Join Date: Jan 2008 Location: Bay Area, Ca Posts: 2,055 iTrader: 0 reviews	will generic vaccum lines work and if so does anyone have a diagram? __________________ 94 GT - Deep Forest Green Off road X, flowmaster single chambers, typhoon intake, hurst short throw, CAI, eibach sportlines, 315s, foxbody short block

August 21st, 2008, 09:57 PM	#10
91cobra5.0 Hardcore Enthusiast 94 GT Join Date: Jan 2008 Location: Bay Area, Ca Posts: 2,055 iTrader: 0 reviews	thats confusing were are the lines that run to this __________________ 94 GT - Deep Forest Green Off road X, flowmaster single chambers, typhoon intake, hurst short throw, CAI, eibach sportlines, 315s, foxbody short block

August 21st, 2008, 10:28 PM	#11
nolife Hardcore Enthusiast 91GT, 88GT, 02GT Join Date: Dec 2006 Posts: 2,878 Blog Entries: 3 iTrader: 0 reviews	Its dark now but if no one responds by tomorrow, I can look at my other Mustang and trace them out. __________________

August 21st, 2008, 10:34 PM	#12
93mustank Banned Join Date: Aug 2008 Location: Phoenix,AZ Posts: 3,014 iTrader: 1 reviews	The one pictured has nothing to do with it __________________ PeteAndersonRacing.com

August 22nd, 2008, 08:09 AM	#13
1slo5.0 MM Ninjas! 1990 Mustang LX 9.36@143 mph Join Date: Jan 2006 Location: North Fond du Lac, Wisconsin Posts: 11,375 iTrader: 1 reviews	The vacuum line in the picture looks like an emissions line from the passenger side of the engine compartment. __________________ My daily driver has 16 cylinders and 4400hp @ 1000 rpm.... ***1988 Mustang GT - Stock....almost

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