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Mustang Forums
2011-2014 Mustangs
2011-2014 Mustang Talk
2011 5.0 AC is broken what..
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<blockquote data-quote="RedVenom48" data-source="post: 15978722" data-attributes="member: 166576"><p>Hopefully its something simple like a debris strike to your condenser.Wet spot is oil leaking from the puncture.</p><p></p><p>AC kicking off could indicate a low charge. I had diagnosed an ES350 once with a failed pressure sensor that kicked off the compressor. According to the AC amplifier, the car was completely out of refer. Evacuated it and it had a full charge lol. That was a fun one</p><p></p><p>Mine is a 2011 GT500, but I had an Evap core fail. Luckily I was covered by my extended warranty. If you have a distinct oil smell (not engine oil or trans.. but its distinct) in your cabin, you might have a popped core.</p><p></p><p>See what your pressures are. 180-220 PSI high side, 20-30 PSI low. Steady needles are ideal. Ok if it cycles on and off. If the needles dont move and its a full charge, compressor is shot (duh lol).</p><p></p><p>Evacuate and pull a hose off the compressor if you suspect the compressor is dead and look for any aluminum shrapnel in the oil. If there is you 'll need to flush the AC system, REALLY well. Probably want a new expansion valve and desiccant bag in the condenser.</p><p></p><p>Apologies if you already know this, but hopefully this helps other members too.</p><p></p><p>The servo motors are known to be kinda bad on these cars. Ford has the servos perform an initial sweep on every engine startup. Clicking means they have failed or are going to fail.</p></blockquote><p></p>
[QUOTE="RedVenom48, post: 15978722, member: 166576"] Hopefully its something simple like a debris strike to your condenser.Wet spot is oil leaking from the puncture. AC kicking off could indicate a low charge. I had diagnosed an ES350 once with a failed pressure sensor that kicked off the compressor. According to the AC amplifier, the car was completely out of refer. Evacuated it and it had a full charge lol. That was a fun one Mine is a 2011 GT500, but I had an Evap core fail. Luckily I was covered by my extended warranty. If you have a distinct oil smell (not engine oil or trans.. but its distinct) in your cabin, you might have a popped core. See what your pressures are. 180-220 PSI high side, 20-30 PSI low. Steady needles are ideal. Ok if it cycles on and off. If the needles dont move and its a full charge, compressor is shot (duh lol). Evacuate and pull a hose off the compressor if you suspect the compressor is dead and look for any aluminum shrapnel in the oil. If there is you 'll need to flush the AC system, REALLY well. Probably want a new expansion valve and desiccant bag in the condenser. Apologies if you already know this, but hopefully this helps other members too. The servo motors are known to be kinda bad on these cars. Ford has the servos perform an initial sweep on every engine startup. Clicking means they have failed or are going to fail. [/QUOTE]
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2011-2014 Mustang Talk
2011 5.0 AC is broken what..
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