You NEED to use a set of guages.
Under the passenger side wheel well on the receiver drier canister.
134a refrigerant
It is either on or near the recievr dryer in the right rear of the engine compartment. To corrrectly add freon, you need gauges and a refrigerant recovery system
how do i get to the low port of the 2003 ford focus to add free-on
You add refrigerant at the low pressure port but you do not add Freon. You add R134/134a. If you are having to add refrigerant then you have a leak that needs to be repaired first.
how much trans fluid do i add when changing trans fliud in my 2000 focus
pour it into the overflow tank
Start your engine, turn your steering wheel clockwise (right) till it hits the stop. Slide your hand up inside the pass. side inner fender well (front) there is a screw on cap covering the r-134a low side service port, remove the cap, connect your low side line and your in business...
1st buy the kit that will flush your unit out. then check to make sure that your system has no leaks. then add 134a
on the low side only
Yes, it is possible to add an air conditioner to a 2004 Ford Focus. One would have to contact local mechanics to find one that install after market air conditioner systems.