Question about 1999 Ford Expedition

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Where does the freon go for a 99 expedition - 1999 Ford Expedition

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Hi .. I just ran into the same problem .. I have a 2000 Expedition with the 5.4L engine .. the low side port is located on the passenger side of engine compartment just below the black metal bracket that contains electrical connections right in front of the firewall... you have to reach under this and locate the low side (larger line) and feel for the connection .. it is right in front of the accumulator .. There are two heater hose that hide the port .. you have reach under these to unscrew the port cap which is black .. you'll have to do this by feel .. I have found that you can by R134A charge with dye and leak sealant helps with small leaks .. if the system takes more than two cans be usre to add refrig. oil .. hope this helps

Posted on Aug 17, 2009

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Hi,I am Ron,I`ll try to help you,Find the ac compressor,and look for the large ac line/hose coming off the compressor.Follow it until you come to the ac service port.This is the low side.You have a high side ac port that is located on the small ac line/hose,that is larger,you need not to be concerned about.You will need a 134a ac charge hose and about 3 cans of 134a freon .Four cans if you have rear air.If you are low on freon,you will be low on ac oil also.So pick up a can of pag 46 also.If I can be more help,let me know..roniecon@gmail.com

Posted on Jul 19, 2009

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I know this much, on a 2000 Expedition, follow the freon lines, usually next to the battery, to the firewall. Tucked against the firewall is the condensor and just above it is the low pressure access port. Topped off the freon using a kit with a pressure gauge. The before pressor was 40, and after the freon addition was 50. Made ALL the difference between a slightly cool AC and FREEZING COLD AC. Total cost with tax for the kit was just under $30. The kit inclued an 18 oz refill container (17 oz freon + 1 oz synthetic lubricant in the can) and reusable hose/pressure guage. Be careful to look at the CLEAR Refrigerant Level glass so you do not overfill (just don't go over 50).

Posted on Jul 19, 2009

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The LOW side fitting is usually located on the suction hose or line that goes from the accumulator to the compressor. The HIGH side fitting is located on the line that goes from the compressor to the condenser. Freon is added on the LOW side! If you haven't the proper tools and equipment, IE: gauges, recovery system...etc. I suggest you let a certified technician service your system. Not only is it dangerous, you could cause componet damage.
Good luck...i hope this helps..please rate me a fixya.

Posted on Jul 19, 2009

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On my customers 2000 its on the acumulater tank just to the drivers side of where the large tube from the compressor goes in. look under the eletical plug in centerand reach under the heater hoses where they cross the valve cover.

Posted on Jul 20, 2012

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SOURCE: how do youo put freon in 99 ford expedition

Find your evaporator canister which will be toward the firewall. The low port is hard to see. You will need to buy yourself a re-fill kit which comes with the freon and gauge. Warm the engine and turn air cond. on. Attach the hose to your low port. Attach the can to the hose and turn the needle to pierce the top of the can. Be sure to turn the valve needle slowly to release the freon into the system. If the can starts to frost over, wrap a warm cloth around can to get the freon to flow easier. The kit will come with a gauge which will tell you if the system is already overcharged with problems or if the system needs freon. The one I have has yellow, blue, green, and red. The yellow is low, blue is good but the system could still use more depending on the psi, green is overcharged, and red is over charged with system problems, or other system problem.

Posted on Jul 05, 2010

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How do youo put freon in 99 ford expedition


Find your evaporator canister which will be toward the firewall. The low port is hard to see. You will need to buy yourself a re-fill kit which comes with the freon and gauge. Warm the engine and turn air cond. on. Attach the hose to your low port. Attach the can to the hose and turn the needle to pierce the top of the can. Be sure to turn the valve needle slowly to release the freon into the system. If the can starts to frost over, wrap a warm cloth around can to get the freon to flow easier. The kit will come with a gauge which will tell you if the system is already overcharged with problems or if the system needs freon. The one I have has yellow, blue, green, and red. The yellow is low, blue is good but the system could still use more depending on the psi, green is overcharged, and red is over charged with system problems, or other system problem.

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I just did this on my f150 supercrew, which looks identical to my 2000 expedition. follow the freon lines, usually next to the battery, to the firewall. tucked against the firewall is the condensor and just above it is the low pressure access port. I topped off my freon using a kit with a pressure gauge. the before pressor was 40, and after the freon addition was 50. Made ALL the difference between a slightly cool AC and FREEZING COLD AC. Total cost with tax for the kit was just under $30. The kit inclued an 18 oz refill container (17 oz freon + 1 oz synthetic lubricant in the can) and reusable hose/pressure guage.

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you may just be low on freon. The rear will often work ok when low, but the front won't

The same compressor serves both front and rear systems. Check that first.

ALso, check to see if your front blend door rotates when you raise & lower the temperature.

report back on results

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