Heater Cores and Blower Fans
Jeep Grand Cherokee Limited
Car Heaters
Ford Escort ZX2

Why does your 99 ford escort zx2 air only blow out the defrost?

Top Answer
User Avatar
Wiki User
Answered 2009-11-06 19:30:44

this system operates using the engine vacuum. it could be a vacuum leak .

User Avatar

Your Answer


Still have questions?

Related Questions

What would cause the Air Conditioning to only blow out the defrost vents in a 1999 Ford F-250 Diesel?

Some ford truck hvac systems will default to the defrost setting if the is a problem with the electrical or vaccum parts of the system. I encountered a ford truck that had a mouse living under the hood and chewed through the vacuum hoses and would only blow on defrost.Do a good visual check including electrical,such as fuses etc...

1995 ford escort lx Cooling fan only kicks on when you turn on the heater and set it to defrost the windshield?

The fan has two different ways to turn on in the Escort. Check the temperature gauge and its circuit as these control the fan when the engine heats up.

What would cause the ac to blow only through the defrost on a f250 ford diesel?

vacuum leak. look at the vac pump under the hood on the pass side and check the hoses for dry rot or cracks

Why does ac air blow only out defrost on 97 lesabre?

you have to trick the ac computer by shuting it off then restarting it...

Air vents on your 2005 f-250 6.0 diesel blow only out defrost ports and not from vent or floor What is going on?

you have a vacuum leak. defrost is the default when a vacuum leak is present.

How do you fix the vacuum line for a 99 GMC safari?

The AC does not blow on the main front vents. Only rear and defrost.

Why does your gmc sonoma blow only a little air out and the defrost only blows out the front vents?

why dont bottom vent doors not open on 2001 gmcsonoma

1996 blazer air will only blow from defrost?

The default for heaters is to go to defrost if there is a problem in the system. You will have to get under the dash to find the problem. Probably best to take it in as they can get tricky without diagrams depending on the system

Why does ac and heater on 2000 f350 blow air through defrost when another position is selected ac clutch clicks and air still only blows through defrost?

You have vacuum line leaks somewhere.

How many o2 sensors in a Ford Escort?

depending on the year there should only be one

Why would the ac only blow out the defrost vents in a 1997 GMC Jimmy?

check your vacum line to door by the gas pedal for vacum

Why would a 95 Ford Explorer AC cyle on and off when the switch is in defrost or heater position?

On my 1995 Ford Explorer when the defrost position is selected , and the temperature knob is set in the red area to get heated air to defrost the windshield , the A/C compressor will cycle on and off to help dehumidify the air, but the compressor ONLY cycles on and off in the DEFROST POSITION ( sorry if I'm misinterpretting your question )

Why does 2000 Buick Lesabre Custom Air Conditioner blow only through defrost vents?

The vacuum supply line from the engine is disconnected or broken. When the vacuum supply is cut off the system defaults to the defrost mode.

Can you bypass the Blower Motor Resistor on a 1986 Ford Escort?

You will only have high speed fan

Whats the best engine for a 1994 Ford Escort?

The one and only 1.9 liter engine.

What are the different sizes of engine a 1991 ford escort lx can have?

Only the 1.9 L engine.

Can you swap a 1998 Ford Escort manual transmission into a 2003 Escort ZX2?

I believe that only 96-99 can be swapped 2000 and newer will not fit correctly.

Why does your heater only blow through the defrost vent on your 1994 Ford F150?

Idk know but mine does it when i start off from a red light or stop sign and as soon as i let off the gas or it changes gears (automatic) it comes through the vents like normal.

How common is an 1989 ford escort gt with a 1.9L EFI HO?

only 1 exists, and i own it !

Is there a silinode located on the alternator of a 1997 ford escort lx?

No there is not. The only located on the alternator is the voltage regulator.

Why will air only blow out the defrost on S10 blazer?

You have a vacuum hose disconnected or broken. Check under the hood for a small vacuum hose out of place or broken.

Why does the air only blow out through the defrost vents on my 1989 camaro rs?

either you have a vacume leak under hood or the diaphragm is blown on vent selector

Why would the AC in an 1997 Oldsmobile Regency only blow air out of the floor and defrost vents?

on my 1992 road touring itdid the same thing and it was the computer but it only cost 102.00 from gm

92 lumina and when you turn on the heat or air it will only blow from the floor and defrost it wont blow from the front vents what would cause this problem?

vacuum leak the vacuum reservoir is below the left head light, check the hoses

Can you swap a 1998 Ford Escort SE transmission into a 1998 Ford Escort ZX2?

You should be able to, the only differerence is a zx2 is a dual cam engine, both are 2.0, so the basics are there the same block, which means same bolt pattern.