how to charge the a.c. on my 2002 Ford expedition


Asked by Jun 12, 2013 at 10:19 PM about the 2002 Ford Expedition Eddie Bauer

Question type: Maintenance & Repair

It has front and rear unit's.what I need to know is
what port to plug in to.

3 Answers


The units are plumbed together so when recharging the system it will do both front and rear. Find the low pressure port, it is usually located on the large line between the Accumulator tank and the Compressor. Most of the newer recharge units are set up to only fit the low pressure port.

3 of 3 people found this helpful.
Best Answer Mark helpful

before adding refrigerant after locating suction port, be sure that the condensing coil located in front of the radiator is clean so it can dissipate the heat efficiently, also check and replace your cabin air filter, a dirty cabin air filter restrict the flow of air across the evaporator coil, now you could proceed to charging the system, if there is no refrigerant present when you connect you refrigerant gauges, then you might want to locate the source of the leak and correct it. Good luck.

2 of 2 people found this helpful.

Some moron decided to put the high side port in plain view and the low side (service port) that you need to service the system on the accumulator (the cylinder looking thing) on the passenger side firewall under a wire bundle and bracket. Good luck and have patience, you will prevail.

5 of 5 people found this helpful.

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