A/C weird problem... help ? 2003 F150
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A/C weird problem... help ? 2003 F150
All,
I m having an odd problem with my A/C.. the shop can't figure it out either .
2003 F 150. 5.4 motor. 4x4. 270,000 miles. Climate control.
The A/C is ice cold.. for the first 12-15 miles, and then it shuts off and is warm.
I had it recharged at the shop just to be sure. When it works, it blows out the vent at approx. 42 degrees.. nice and cold.
This problem happens every time. Turning the climate control off and then back on doesn't help.
Shutting the truck off and then back on doesn't help. Wait a while.. not quite sure how long, but the next time I drive it , it will work again. For about 12-15 miles and then blows warm again.
A bit of funky , moist smell to it when it blows warm.. typical A/C smell I think.. the box could prob use a cleaning..
Any ideas, thoughts where to start ?
Thank you..
I m having an odd problem with my A/C.. the shop can't figure it out either .
2003 F 150. 5.4 motor. 4x4. 270,000 miles. Climate control.
The A/C is ice cold.. for the first 12-15 miles, and then it shuts off and is warm.
I had it recharged at the shop just to be sure. When it works, it blows out the vent at approx. 42 degrees.. nice and cold.
This problem happens every time. Turning the climate control off and then back on doesn't help.
Shutting the truck off and then back on doesn't help. Wait a while.. not quite sure how long, but the next time I drive it , it will work again. For about 12-15 miles and then blows warm again.
A bit of funky , moist smell to it when it blows warm.. typical A/C smell I think.. the box could prob use a cleaning..
Any ideas, thoughts where to start ?
Thank you..
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Joined: Jul 2005
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Joined: May 2007
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From: North Reading Mass
You may have moisture in the refrigeration system. The water will freeze at the evap stopping the flow of refrigerant and causing the low pressure control to trip. Have the system evacuated with a vacuum pump for a least an hour and replace the filter drier.
regards
rikard
regards
rikard
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knobcreek_60
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Dec 9, 2005 08:18 AM