1998 FORD WINDSTAR LOW VOLUME AIR FROM FRONT VENTS

  • Tiny
  • Please2008
  • 1998 Ford Windstar

Air Conditioning problem
1998 Ford Windstar 6 cyl Two Wheel Drive Automatic 100000 miles

Cold air is blowing from front vents. Volume of air is low even though fan speed is on high. At times air will go from upper vents to blowing out floor.

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Sunday, August 16th, 2009 AT 9:55 AM

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  • Tiny
  • Schrimpieman
  • Member

The pathway which the air is directed is controlled by small vacuum lines. There is a main vacuum "Feed" port on the intake plenum; it is usually smaller and of a harder plastic-type material than the normal rubber vacuum lines which are used for engine emissions.

Follow this line from its start point to the passenger side; look for any broken or kinked areas.
Also, while the following requires some disassembly of the dash, there are vacuum lines which run to the back of the selector switches. Make sure the vacuum lines are attached. And play around with them: Detach them, plug them with little rubber grommets or whatever you have laying around. See if it makes a difference to where the air is directed (which vents).

There is also a damper control on the airbox (under the dash, passenger side). See if it is moving (the lever) depending on selector switch position.

All tests need to be made with engine running. Otherwise, there wiill be no vacuum.

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Saturday, August 22nd, 2009 AT 7:45 PM

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