Question about 1997 Mercury Sable

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Where's the low pressure port (want to recharge a/c)?

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It will be very close to the dryer on the line that gets cold when the ac is working properly and the fitting on the recherge kit will only fit the low pressure side. I hope this helps you, Good luck !!

Posted on May 10, 2010

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Posted on Jan 02, 2017

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SOURCE: I cannot differentiate between the low pressure and high pressure

This is a little A/C 101. Follow the A/C lines. All A/C systems have a high pressure side and a low pressure side. The high pressure side is from the compressor to the condenser coil on the front of the vehicle to the evaporator coil in the dash. At the expansion valve in the evaporator the pressure drops. At the expansion valve the refrigerant changes from a liquid to a gas. This provides the cooling. The low pressure side is from the evaporator back to the compressor. Usually the high pressure lines are smaller than the low pressure (suction) lines.

Posted on Jun 13, 2009

emissionwiz
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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

  • 5 Answers

SOURCE: R134a recharger nozzle won't fit on low pressure service port.

the r-134a service ports on todays cars are industry standard sizes. the high side port is slightly larger than the low side so you can not hook them up in reverse.make sure your not trying to hook up to the high side port. low side ports are usually located on or near the drier. or in the larger diameter a/c line going to evaporator.

Posted on Jul 24, 2009

  • 7 Answers

SOURCE: 97 grand am low pressure port to recharge

on a 96 grand am 3.1 liter,mine was below fan,under wire harness , about 6 " from compressor towards oil filter.

Posted on May 22, 2010

roniecon
  • 6826 Answers

SOURCE: recharge A/C whre is the Low pressure port for

It can be near firewall,or under the air cleaner box,it will be the only one the charge hose you have will fit,it will not fit the high side service port,only the low side port,rate,if this was at all helpful,thank you.

Posted on Jul 07, 2010

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