3rd Gen Engine and Drivetrain -> 2003-2007 5.9 liter Engine and drivetrain discussion only. PLEASE, NO HIGH PERFORMANCE DISCUSSION!

A/C problem

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Old Sep 5, 2009 | 05:52 PM
  #1  
hector's Avatar
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From: AL
A/C problem

Only hot air blowing out the A/C vent....Got home & found A/C line frozen.. Added refrigerant & all is now ok.. I looked for a low p s that keeps the A/C compressor off when low. But, couldn't find 1.. My old 1500 dodge. It had a low p s & a high p s. When low on refrigerant, the lines wouldn't freeze up because the compressor wouldn't come on.. Do these trucks not have a low p s or has mine been removed ??
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Old Sep 6, 2009 | 11:53 PM
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cgmorgan06's Avatar
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From: Stephenville/Llano, TX
The low side fitting is on the evaporator next the firewell
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