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AC blowing hot even after compressor replaced...

Old 03-14-2019, 03:47 PM
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AC blowing hot even after compressor replaced...

AC blowing hot after compressor has replaced....it worked for a while and is now blowing hot....ac guy blew out the lines and replaced freon in it and is still not cooling. I dont hear the compressor kicking on. Having trouble locating which fuses to check or switch out....PLEASE help!
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Old 03-14-2019, 05:51 PM
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Run-do-not-walk back to the repair shop. Tell them what is going on and demand (nicely at first at least) they fix it.
IF you fool around and touch anything or do anything they can and will say as they shrug their shoulders, "You must have done something, car was fine when it left."
I'd suspect an 'O' ring got split and or something else let all your refrigerant escape.
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Old 03-14-2019, 05:55 PM
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It wasn't a shop...it was just a guy that taught ac repair school. Thought he might know a thing or two.
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Old 03-15-2019, 04:36 AM
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If you're not able to do any of this investigation and work yourself, then you likely should consider taking it to reputable automotive A/C repair shop.

There is some testing that you can do pretty simply yourself if you have that inclination but, it'd require you to procure some specialty tools (manifold gauge set, primarily) and spend a little time.

My first reaction to a "no compressor operation" symptom is to say that the refrigerant charge is inadequate. But, to confirm, system pressures need to be monitored.

Also, how was the "Freon replaced" ... with an A/C recovery/recycling/recharge unit or with cans? Was dye also included in the recharge? Has any leak detection been done?

So many questions to be answered ...

Last edited by Turbobink; 03-16-2019 at 04:05 AM.
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Old 03-15-2019, 05:39 PM
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Originally Posted by Jennifer Brown View Post
It wasn't a shop...it was just a guy that taught ac repair school. Thought he might know a thing or two.
Oh.
Damn.
You're boned. Time to take it to a QUALIFIED a/c shop.
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Old 04-10-2019, 04:37 PM
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Sounds like it was not properly evacuated and recharged.. If the compressor wont engage the coil... The high side is either too high or to low. DId you see the guy use a recovery machine, or just replace the compressor and use some cans from a Auto parts store to recharge the system?

Oh just read it was a "teacher" at a ac repair shop... Like the old saying goes.. Those who can't do, Teach..lol
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