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check air filter to see if it is clogged. if it isn't check your fuel filters. you have one on the fire wall and one underneath the car on the driver side connecting the engine to the gas tank. open your truck, uncover the inside right fender panel, push the button on the switch and release the button. the button should pop out. the button has wires going to it. it is attached to the well wall under the cover you removed. try to start your car several timestil it will not even try to start. this release the gas pressure in your gas line. now you can replace both filters. after you replaced both gas filters, push the button in to reset it. try to start your engine, pump the gas pettle several times while you are cranking the engine. this will put gas pressure back in your gas line and into your engine. the gas filters should be changed according to manufacture time requirements. call ford parts department and ask how often the gas filters should be changed. any other information can be obtained at any auto parts company. try this first and hope it's not your fuel pump. your fuel pump is inside the gas tank. my fuel pump part caused $300. i recommend you buy it from ford. you don't want any gas leaks and ford will match it up if you need it.
The reason for cold then not cold is because it is a system that works in reverse of your radiator.
The gas cycle through the system. goes through the radiator of the the aircon system (not the same as the one for the engine). there is extracts the heat out of the air. the air is now cold and pushed into the car.
the warm aircon gas the made cold further along the system but the dont have enough in the system.
imagine athletic ruynning around a track. all 20 are bunched up together. there is w spot light in the centre of the infield shining on you.
the track is your aircon system. the spot light the air coming into your car. You are the car The athletes are the aircon gas.
When they run between you and the light the air is cooled off and you are getting cold air. now of goes the air (athletes) around the system and till they come along again you get hot air.
Now fill up the aircon system (put more runner on the track and voila, less light reached you cos there is more gas in the system.
However if you refill it and after a day or even just a week it the same again you have a leak in your system and will need to have it looked at by someone specializing in car aircon repairs.
When you a/c works does it cut off on reaching the temp. If so decrease the rheostat and check. The compresor is developing a high back pressure and getting caught . This reduces the pressure and flow to reduce the cooling. You will need to confiirm if the compressor is having a bad valve, a filter, fault in the gas or gas pressure, block in the condenser. Try to reduce your fan speed and reduce the thermostat and check if the a/c cuts off. If the cooling gets better ,use it till your next overhaul, the check the entire a/ system for blocks in cooling pipe/condenser and refill correct gas. Hope the fan is working well when the a/c is switched on with no blocks in the condenser fins. Use a good spray to clean the fins too. Hope you try this out and hope it helps. Good day
what won't work? the interior fan or is all else well except the cooling part? if the compressor does not come on, then perhaps you need to refill gas. in the very front of the car under the hood, you remove the plastic covers where the hood opener is, and you will see some pipes & a canister. on top of this canister there is a clear small round site glass, you can check there for gas if you have dye, or you can unscrew the cap over the refill nipples and depress with you finger nail, air (gas) should blow out under good pressure, not a little only. there is also a fuse you can check situated in the same place, this is for the compressor
Check the aircon gas is filled up, this is something that needs to be filled up once every 2-3years especially if used often. There should be a metal pipe running to the aircon radiator tank with a small glass window somewhere. This should be green from the gas inside, if it isn't it's empty. Take it to a workshop, it shouldn't be more than a few dollars for a refill. Hope that helps!
((Remove RH plastic cargo tether hook by unscrewing from body.
Pull back luggage compartment trim on right side at rear lamp to reveal Inertia Fuel Shutoff switch (IFS switch) .
Push Button in and Check for start ((N O T E >> Cycle Ing. Key On & off 3 times within (30) seconds to refill ALL Fuel lines. In hopes this Resolves your Problem. If it Helps in ANY Way PLEASE Dont Forget to "RATE" Me Thank You !!., RejakWilson
If the fuses are all ok and you can hear the aircon clutch clicking when you attempt to switch it on, then I think it may be time for a re-gas! You could do it yourself with a can of gas from an autofactors, but you wouldn't get the pressure right, and, there would still be old gas in there.
If you took it to a garage, however, they would **** out all the old gas, and then hold the vacuum in there for a while to check for any leaks. Then they would refill to the exact pressure with fresh new gas.