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Last year I finally got my Ac fixed. Its pretty disappointing to say the least. While it gets coolish it just doesn't do it for me. Has anyone ever upgraded an ac system? Is it possible? I live in Texas so ac is pretty important here. I have not heard of it being done before but I don't kkow. Its out of my scope of knowledge and wi) have to take it to a shop to be done. TIA.
94 F150 XLT 2wd info in pic. All her info
I'm surprised you're OEM A/C is working correctly. Like you, I had mine worked on back in early Summer 2019, wasn't cooling compared to it the year prior. The tech changed a $6. valve, re-filled it and it's been working perfectly since. I drive through the California high desert region enroute to fishing in the Easter Sierras, temperatures routinely get between 106 and 114 degrees depending on what time I driving through, but regardless my A/C keeps the cab very comfortable. I should point out, my 1995 F-150 is a regular cab, imagine if it was a Supercab or Crewcab, I might notice a more difficult time getting the cab cool. You might have another local reputable shop check your system.
I have 15 years experience with commercial and industrial A/C. All A/C systems use the same basic parts and is governed by the same laws of physics.
What did you have fixed and what did they do? Who worked on it ? A common issue is the old oil is not drained from the system and more is added according to the manual a first year mechanic is reading.
An automotive A/C compressor only spins at a rate determined by the engine RPM. If you are in slow traffic your compressor is spinning slower and removing fewer Btu's from inside your truck and there is not sufficient air going through the condenser. They may have replaced your orifice tube with the wrong one for your system. All A/C systems have a refrigerant metering device of some configuration and must be sized accordingly.
Automotive A/C cannot be upgraded because all of the components are sized and designed to work within the laws of physics for that system. I don't know what refrigerant you had in your truck before you got it fixed.
Freon is not a refrigerant. It is a brand just like Ford, Chevy and Dodge are a brand. Freon is made by Dupont in R-22, R-134A R-404 and so on.
Automotive A/C systems leak simply because they can. You may just be low on refrigerant
Don't go to Midas or Jiffy Lube, go to a Ford dealer and have them tell you what the issues may be and then go to a shop that specializes in auto A/C to get a second opinion.
There is definately something wrong with your A/C, no upgrades should be needed to the OEM system. In fact, the A/C on my 96 blows colder than any other vehicle I've owned. I'm pretty cold-blooded and I get too cold running max cold/ high fan for too long, even on very hot days.
There is a HVAC forum and the guys are super helpful. Anyway my Ac system on my '89 i converted to 134a and with the new parts will literally run you out it is so cold. You don't need an upgrade, you need something fixed.
Anyway my Ac system on my '89 i converted to 134a and with the new parts will literally run you out it is so cold. You don't need an upgrade, you need something fixed.
Same for my ‘89 regular cab. New variable orifice tube, accumulator and o-rings.
The factory R-134a system would keep my ‘94 Bronco cool.
There is definately something wrong with your A/C, no upgrades should be needed to the OEM system. In fact, the A/C on my 96 blows colder than any other vehicle I've owned. I'm pretty cold-blooded and I get too cold running max cold/ high fan for too long, even on very hot days.
I agree. Ford A/C when working properly will freeze you right out of the cab(even here in Florida).
I'd imagine in Texas you probably have some pretty good A/C shops. Sounds like you are low on refrigerant or have a blockage in orifice tube/condenser. It is possible your evaporator box is leaking cold air into engine bay too. Your truck should have factory R-134A by the way.
Re-thinking your A/C dilemma.
How's the condition of the OEM tin foil backed insulation covering your evaporator housing? Have you inspected the plastic evaporator housing for leaks or holes? The OEM foil insulation on my 95 F-150 was in bad shape, so I replaced it back in 2014. Carefully removed the OEM insulation and used it as a pattern to cut a new piece. Sourced new foil backed insulation from California Car Cover, now located in Simi Valley, CA. But I'd think other vendors closer to you would also have it. I checked W/my local Ford dealership at the time and the insulation wasn't available. If you end up changing the foil backed insulation, chances are you won't be able to salvage all the push lock style washers, (not sure exactly what they are called), they rust something awful and brake apart while your carefully trying to remove them. Got similar replacements at my local Lowes and 6 years later both the foil insulation and push lock washers are holding up perfectly. Again, just giving your A/C dilemma some more thinking.
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