ac does not blow the correct direction

80,000 MILES
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KEVIN GODWIN
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crank truck up and everything works perfect. a min or two goes by then in does not blow out any where, but fan is still running
Dec 23, 2011 at 6:32 PM
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KEVIN GODWIN
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also put a new hvac control head in it twice
Dec 23, 2011 at 6:33 PM
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RASMATAZ
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Check the air blend door/actuator
Dec 23, 2011 at 6:50 PM
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KEVIN GODWIN
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It wouldnt be the mode door
Dec 23, 2011 at 6:51 PM
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MHPAUTOS
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The fan motor is running but is the blower fan turning? is it slipping on the shaft?
Dec 25, 2011 at 12:24 AM
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WRENCHTECH
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Yes, it would be the mode door actuator that you are having a problem with. It's located on the end of the HVAC housing on the driver's side.
Dec 25, 2011 at 4:54 AM
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KEVIN GODWIN
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replaced mode door worked great for a while then went back to the same thought maybe a bad part tried another and no luck what next?
Jan 5, 2012 at 7:20 PM
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KEVIN GODWIN
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fixed but now it blows cold for 10 min then stops blowing all together. you can turn ac compressor off wait a few min. then turn it back on and it will start back blowing
Mar 30, 2012 at 7:36 AM
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WRENCHTECH
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Can you hear the blower running when this happens?
Mar 30, 2012 at 7:41 AM
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KEVIN GODWIN
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yes
Mar 30, 2012 at 8:00 AM
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WRENCHTECH
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Then the evap may be freezing up due to a faulty low pressure cut off switch.
Mar 30, 2012 at 8:25 AM
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KEVIN GODWIN
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  • 53 POSTS
kinda what i was thinking just wanted second opinon thanks
Mar 30, 2012 at 9:08 AM
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KEVIN GODWIN
  • MEMBER
  • 53 POSTS
does this truck have a low side stwich and a high side stwich or is there just a ac cycling stwich?
Mar 30, 2012 at 9:14 AM
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WRENCHTECH
  • ✓Experienced Mechanic
  • 20,760 POSTS
The cycling switch is the one you are concerned with.
Mar 30, 2012 at 9:25 AM
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