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2004 f 150 A/c sometimes air is cool and sometimes

2004 F150 A/C sometimes air is cool and sometimes it is warm even at the same time out of different vents eample: drivers 2 vents cool and passanager 2 vents luke warm, other times everything seems to be ok.

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GO TO AUTOZONE OR AN AUTO PART STORE AND BUT A CHEAP RECHARGER. IF IT DOESNT HOLD IT EITHER NEEDS TO BE RECHARGED PROFESSIONALY OR A NEW A/C PUMP

Posted on Jun 26, 2009

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FORD F150 PICK UP RUNNING HOT AT TIMES


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My 1999 E150 heat takes a very long time to warm up. sometime it takes hours and some times it takes mins but when it warms up the heat works fine


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These switches can usually be changed without losing Freon. The spring resistance can weaken, changing when the switches work.

There is a difference in the Freon oil charge for different makers. This can affect performance and durability. The filters you mention are often contaminated when the system is open through complete Freon loss.

Another way of looking at this is a 45 psi is suppose to be Freon. All is good when it is pure, but if contaminated with ordinary atmospheric air, it can not work as good or even at all.

There are some other products you can use to clean the coils and such. A foaming product is sold at stores like Lowes or Home Depot. Theory is it works like shaving cream, expanding in the fins and pulling dirt out. You then flush with water. Check label warnings for use on different metals.

Find out when the cut-out switches are suppose to activate and what your recommended switch thresholds are. Hope this helps.

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