Question about 1999 Ford F150 Regular Cab

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A/c high side has pressure low side nothing 1999 ford f150 5.4

A/c high side has pressure low side nothing

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Freon not moving thru blocked expansion device

Posted on Jun 13, 2013

  • cheepskate Jun 13, 2013


    freon is being blocked by clogged expansion device

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Posted on Jan 02, 2017

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SOURCE: Adding freon to air conditioner

If your system takes R-134 then the fittings for the high and low pressure are different sizes. You should only be able to fit the connector on the low pressure side.

Posted on May 09, 2009

  • 131 Answers

SOURCE: Adding freon to air conditioner

from the compressor there is two lines coming
from the back side, follow the line that goes
in to the front condenser thats your low side.


G

Posted on May 29, 2009

  • 143 Answers

SOURCE: WHERE IS THE LOW PRESSURE PORT FOR A 2001 FORD F150?

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

Posted on Jun 19, 2009

  • 29 Answers

SOURCE: 2005 Ford F150, 5.4L V8, 4x4; The transfer case

Encoder motor located on the transfer case is usually the problem. It is the motor that shifts the transfer case.

Posted on Sep 28, 2009

Testimonial: "Will look into this and report .Thanks so much"

  • 280 Answers

SOURCE: my 2006 ford f150 4x4 works fine in high and low

the 4x4 high light has been on far longer than the low ratio light, I suspect it has simply worn out and blown, try a new light. other than that the switch in the transmission could be faulty / have corroded connectors

Posted on Jan 15, 2010

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1 Answer

High and low pressure switches


The high pressure switch is usually located on the a/c compressor. If pressure gets to high on the high side the switch will open and turn off the a/c compressor. It is a normally closed switch. The low pressure switch is usually located on the lager of the two lines, or on/near the accumulator (also known as the receiver drier). It's function is to turn off the a/c compressor if pressure gets to low. It is a normally open switch that requires a minimum pressure in order to close.

Apr 09, 2013 | 1999 Ford Expedition

1 Answer

1999 Ford Ranger AC low side pressure reads 100 psi


Was the a/c compressor running when you got this reading?

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A/C pressures when running? Low side 35-45 High side 225-275

Aug 11, 2010 | 1999 Pontiac Grand Prix

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Where can I find a diagram for the low pressure ac port for a 1999 ford expedition


There are 2 hoses that come off of condensor in front of radiator. 1 is high side, has large cap on top goes to a/c compressor. The other is low side it, it goes toward firewall into or on the receiver dryer (looks like big can) You will find the charge fitting there. It is a smaller fitting usually blue or black cap on it.

Jun 11, 2010 | 1999 Ford Expedition

2 Answers

Low pressure hose cooling system


on my 2000 expedition it is located on top of the compressor. The compressor is barrel shapped and silver and has a belt attached to it. There are 2 ports on the air compressor, one low and one high. When charging your air conditioner the gauge will only attach to the low pressure.

Jun 07, 2010 | 1999 Ford Expedition

1 Answer

A/c low pressure quick disconnect location? 1999 ford expedition


on the tube between the firewall and the a/c compressor. On some Fords the low pressure port is on the dryer2_bing.gif (aluminium cylinder). Good news is the low pressure and high pressure port are different sizes. You cannot mess it up.

Remember the flow for the a/c system is :
1. From the compressor a high pressure (HP) gas goes to the condenser in front of the radiator.
2. From the condenser a HP2_bing.gif liquid goes to an expansion device (orifice tube or expansion valve)
3. From expansion device the low pressure gas enters the firewall to the evaporator.
4. From evaporator the low pressure liquid/gas mixture goes through the dryer back to the compressor suction

May 29, 2010 | 1999 Ford Expedition

1 Answer

Where is the "Binary Switch" located in the A/C system of a 2000 Ford Escort?


There is a low prerssure switch and a high pressure switch for the a/c. The low pressure switch is on the accumulator. the high pressure switch is on the line going to the condenser.

Aug 12, 2009 | 1999 Ford Escort

2 Answers

Where is low pressure port located on 1999 acura


look for the large ac line/hose and follow it untill u come to the small service port this is wher u charge the small ac line/hose has the large port this is the high side

Jun 29, 2009 | 1999 Acura 3.5RL

1 Answer

I need to find the service port for the a/c system on a 1999 Ford Expedition. The one up front and high will not allow the service quick-disconnect hose to connect.


do not try to fill through the high pressure port.

The low pressure port is on the side of the accumulator/drier. Please rate as solved if this is what you need.

Item #5

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May 10, 2009 | 1999 Ford Expedition

2 Answers

Adding freon to air conditioner


Black Cap to your left, right up front as you open the hood. Next to the Engine Coolant cap.

Jun 22, 2008 | 1999 Plymouth Grand Voyager

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