1999 Ford Expedition Logo

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Posted on Apr 07, 2009
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Location of low side ac port

Can you please provide me with a diagram/location of the low-side ac port on my vehicle to check for ac problems?

  • 1 more comment 
  • inlouisiana7 Apr 08, 2009

    Thank you

  • Anonymous Mar 17, 2014

    My expedition has the low ac port on the drivers side

  • Anonymous Mar 24, 2014

    location

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1 Answer

Marvin

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  • Ford Master 85,242 Answers
  • Posted on Apr 07, 2009
Marvin
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The low side charging port is near the AC Accumulator/Reciever dryer cannister in the larger of the 2 AC lines.

  • Anonymous Aug 07, 2013

    Ware do I get the adapter to fit the store bought 134a slip on fitting

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Where is the low pressure ac port located?

THE LINES THAT RUN FROM THE AC ARE TWO SIZES. THE SMALLER DIAMETER IS THE HI SIDE. IT RUNS FROM THE COMPRESSOR TO THE CONDENSER. THE LARGER DIAMETER IS THE LOW SIDE AND RUNS TO THE EVAPORATOR INSIDE THE CAR. THE FILLER FOR THE LOW SIDE IS ON THE LARGER LINE. IT WOULD HELP TO KNOW THE CAR IN QUESTION WHICH WASN'T PROVIDED
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I need to locate the low side ac port. air conditioner needs charge and i cannot locate the right port.

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I NEED A DIAGRAM OF WHERE TO RECHARGE THE AIR CONDITIONER

The Low-side port is just about dead-center in front of the engine. Right in front of the exhaust manifold, and between the two radiator fans. It may have a blue or black plastic cap on it.
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