Clogged Vac. Hose ??????

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SuperCoupe007

Registered User

• Jul 4, 2004

• #1

Hey gusy when i turn on the climate control to "Vent", "Norm A/C", "Max A/C", "Floor", etc, etc, on my 94 Mustang 3.8L , the air only comes out as if it was set on "Defrost", I pulled the control unit and everything is connected.. The fan speed knob works and so does the "cold/hot" knob.. anybody got any tips ??????

 

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SuperCoupe007

Registered User

• Jul 5, 2004

• #2

Theres gotta be someone out there that has some knowledge that they can share...

 

darriantbird

Registered User

• Jul 6, 2004

• #3

look for a vac hose under the hood,passenger side , running to the vacumm tee behind the intake plenumn by the fire wall for cracks or being out right disconnected

 

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SuperCoupe007

Registered User

• Jul 14, 2004

• #4

I checked the vac. hoses by the firewall as well as the T and they don't seem to be cracked... any other tips ?????

 

TbirdSCFan

Registered User

• Jul 15, 2004

• #5

pull the one off behind the intake and suck on it.. have someone inside the car push the A/C buttons and listen for any doors moving around inside the case. If it won't hold air, you have a crack somewhere in a line or one of the case valves has a ruptured diaphragm.

 

Last edited: Jul 15, 2004

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SuperCoupe007

Registered User

• Jul 19, 2004

• #6

SWEEEEEET !!!! I found the problem, one of the hoses cracked right at a vac. distributor. As i wiggled it it just fell off. So i took off the piece that brook off, and pushed the unbroken part in.. Now it works like a charm... THANKS GUYS......