AC solution?
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Mountain Pass
Joined: Apr 2007
Posts: 106
Likes: 0
From: NE Ohio
AC solution?
My 12 years old AC is slowing down considerably; it takes 15-20 miles to feel some relatively cold air. What is the cheapest solution to get it back? Truck is a 2007 F350 6L 4x4. The AC was the only "luxury"; manual transmission, crank windows.... as my old boss said when I bought it "You went back 20 years". I said "Yap, and 15k cheaper.
Thanks!
Thanks!
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Mountain Pass
Joined: Apr 2007
Posts: 106
Likes: 0
From: NE Ohio
All I have is a ScanGauge II but I assume you are talking about pressure gauges or so right on the AC system. Is there a procedure listed here somewhere? List of potential problems maybe?
Tuned
Joined: Jan 2002
Posts: 409
Likes: 106
From: Wasilla
You need someone with A/C gauges and a R-134a Temperature Pressure Chart. Find the current ambient temperature then check the gauges vs. the referenced high and low pressures for the relevant temp listed on the chart. Something isn't right, my 2005 has good A/C function. Russ
P.S. not necessarily relevant to your stated symptoms but an EGR delete can affect your A/C if nothing was done to address the cooling fan issue
P.S. not necessarily relevant to your stated symptoms but an EGR delete can affect your A/C if nothing was done to address the cooling fan issue
Tuned
Joined: Feb 2015
Posts: 323
Likes: 12
From: Tulare, CA
Not sure about an 07 - BUT was your truck run in dusty conditions? My 06 the evaporator was packed with dust & dirt. Believe it or not it wasn't all that bad a job to get to. The passenger inner fender well comes out and the evaporator case splits in half giving easy access to the evaporator but my 06 is the 6.8 V10 a set of harbor Freight A/C gauges will be able to give you the high side readings to let you know. My 06 was a farm truck running through the fields most every day and the evaporator was packed with dirt.
Hotshot
Joined: Jan 2004
Posts: 19,767
Likes: 1,082
From: St Louis
You need someone with A/C gauges and a R-134a Temperature Pressure Chart. Find the current ambient temperature then check the gauges vs. the referenced high and low pressures for the relevant temp listed on the chart.
BUT was your truck run in dusty conditions? My 06 the evaporator was packed with dust & dirt.
First step is to put actual gauges on the system. Then diagnose further.
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