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A/C stops blowing

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Old Aug 10, 2004 | 01:36 PM
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RJF3504X4's Avatar
RJF3504X4
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Post A/C stops blowing

I have a 95 F-350 4X4, the a/c stops blowing @ high RPMS(over 2000)
when going up hills or getting on the freeway.
When I decel the a/c kicks back on. The dealer said its a limit switch,
anyone have an idea? Thanks
 
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Old Aug 10, 2004 | 05:13 PM
  #2  
HardScrabble's Avatar
HardScrabble
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Maybe a vacuum leak, you have vacuum actuated doors in your HVAC system that direct the airflow to the vents, floor or defrost.
 
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Old Aug 10, 2004 | 07:59 PM
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Look on the passenger side of the engine compartment, there will be a white vacuum line coming out of a corrugated wire wrap and going to a fitting by the firewall. You will find the line is deteriorated and you can replace it with a piece of black vacuum hose. I have fixed several ford trucks with the same symptoms and it's always that line.
 
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Old Aug 10, 2004 | 09:15 PM
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Cool, when i decel I can hear a door opening or closing i'm not sure.
This a really cool site.
 
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