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  #1  
Old 08-16-2014, 03:57 PM
big-head big-head is offline
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How cold is cold ??

I have a F250 Diesel 6.0 that I bought about 2 1/2 yrs ago , it always seemed the A/C didn't blow cold as my last ford a gas F150 .. Well today I'm in my buddies truck a Toyota 4 door 2004 and he had a thermometer in the AC vent , well it read 40 degrees on the button on low and about 44 on high ... Well when we got back to my house we jumped in my truck and drove 6 miles (2 beers) and the best my truck did on low was 52 on low and bout 58 on high .... Is my F250 supposed to get colder than that .... He thinks so .....
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Old 08-16-2014, 04:28 PM
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probably low on refrigerant.
my 88 with R-12 would blow 34 out of the vents with an outside temp of 90 .
my 99 crown vic and 02 diesel pickup will get down to 38 unless it is over 90 outside, then it will be between 40-42.
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Old 08-17-2014, 06:25 AM
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With new A/C components and a fresh recharge I had 40* at the vents, Max A/C on, 90*+ day, 2000 E250 5.4 motor.

These days in my '03 E250 extended body with separation curtain I can still get 43* or so with original A/C system, topped off and reading correct pressures, normal A/C selected. Both systems with R134a

Your charge could be low but without reading the pressures its tough to tell if that's the only issue. Since you don't mention the year or mileage of your F250 this is just a guess.
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Old 08-17-2014, 08:11 AM
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you also need to make sure the condenser is clean. if it is dirty it will not get proper airflow across it, and will not properly exchange heat causing warmer AC temps.
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rarely in life do you meet a person that will drop everything to help a stranger,
and give the shirt off his back to a friend.
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Godspeed "window licker", the short bus will never be the same with you gone.
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Old 08-17-2014, 08:40 AM
big-head big-head is offline
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,

Thanks , it's a 2007 with 122,000 miles,,,,
Those cans of freon at Autozone etc with the hose and gauge already attached is ok to use ? I guess I'll need to find out what the pressure should be and adjust it to that with the gauge on the can
Correct
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Old 08-17-2014, 09:30 AM
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no. the autozoo cans only tell you low pressure, and even then the gauges are not very accurate.
you need a manifold set that will measure both high and low pressure.
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Tom

rarely in life do you meet a person that will drop everything to help a stranger,
and give the shirt off his back to a friend.
Steve Price was that kind of person.
Godspeed "window licker", the short bus will never be the same with you gone.
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Old 08-17-2014, 09:30 AM
 
 
 
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