Take it to someone who does refrigeration work. They're less expensive than dealers. Special equipment is needed to check for leaks and to re-charge to the proper values. Too much refrigerant will burn up your compressor, as will not enough.
The AC recharge valve for a 2003 Ford Focus with a Zetec engine is near the firewall. It is the larger of the two lines going to the compressor.
where is the suction recharge value on a 200 ford focus
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Take it to a mechanic.
The 2003 Ford Focus has 16 valves.
The 2003 Ford Focus is a gas-powered vehicle.
The 2003 Ford Focus has a 5-speed manual.
The 2003 Ford Focus has an inline 4 engine.
The 2003 Ford Focus runs on regular unleaded.
The 2003 Ford Focus is 14 ft. 0.1 in. (168.1 in.) long.
The height of the 2003 Ford Focus is 4 ft. 8.3 in. (56.3 in.).
The 2003 Ford Focus has double overhead cam (DOHC).