Question about 2006 Ford Mustang

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I am trying to recharge my A/C on a 2006 ford mustang and looking for the low pressure valve. I am unable to find a engine diagram but need to confirm the location of the low pressure valve. Thank you

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Posted on Jan 02, 2017

  • 81342 Answers


The AC charge port is the on low pressure AC line (large line from compressor) near the firewall. Take care not to overcharge, there are other causes of no cooling like a stuck AC compressor cycling switch or a air temp control blend door motor malfunction, what is the issue u have? does the AC compressor run?

Posted on Mar 11, 2009

  • 272 Answers

SOURCE: what is the ac pressure

1) You must be certain that there is no air in the A/C system a shop will always create a vacumn in the system by pumping out all of the freon. If you feel that you are certain your system hasn't leaked all of it's freon out and you can match the type of coolant then proceed otherwise have it done by a shop.
2) Check the A/C Compressor wiring connector and the A/C Pressure switch connector. Look for damage and make sure they're plugged in firmly. Also check all the fuses. Double check them if you have to.

3) Pick up an A/C pressure gauge (maybe even a cheap A/C Refill kit)

4) Test the A/C pressure at the low-pressure service port with the engine turned off. The pressure should be approximately the same as the outdoor ambient temperatre. If it's 80 Degrees Fahrenheit outside it should be somewhere in the 80PSI range. If it's higher (like 110-120 PSI) don't worry too much.

5) If the pressure is very low (or non existant), Turn the truck on, turn the A/C to MAX, temp all the way cold, and blower fan all the way to 4, then start adding refrigerant. Check the pressure frequently, and don't exceed 90 PSI or so though. Eventually the A/C compressor should kick on. If it does not, then stop filling, and shut off the truck. Listen for hissing refrigerant leaks, or visually inspect the lines and compressor for leaks. They can be hard to troubleshoot

Posted on Apr 25, 2009

  • 143 Answers


It may be located on/near the evaporator case where the big (suction) line comes out.

Posted on Jun 19, 2009

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SOURCE: where is the ac low pressure port to recharge the

It is on or near the reciever dryer or shiny looking thing at the right rear of the engine compartment. You need gauges to correctly add refigerant as you can overcharge it.

Posted on Jun 25, 2009

  • 65 Answers

SOURCE: A diagram of a 2003 Ford Mustang interior fuse box?

here you go

Posted on Jul 07, 2009

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My air conditioning blows hot air. Won't accept

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