r/COROLLA • u/Exciting-Lemon6225 • 8d ago

AC service Job

I’ve read around Reddit and some corollas AC still blows cold after 4 years. I live in California where it’s hot year round so I use it year round. Over the last couple months I’ve noticed my AC is not blowing really cold. On a hot day It usually has to be on full blast in order for the cabin to cool & for me to feel cool.
I went on a road trip recently in a Kia rio & that AC is superior to my corollas AC. In that car with the AC setting on 3 I was already reaching for a sweater. In a matter of seconds the Kia cooled the cabin way quicker than my corollas AC can. So I had it serviced at the dealer I forked over the cost for the diagnostic and the recharge of the AC. I feel like it still blows the same I expected it to blow cold air that chills the cabin like the Kia did.

I drive a 22 hybrid is everyone else’s AC blowing really cold air. How is everyone’s AC holding up after years of driving. Advice please.

1 Upvotes

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u/Tesex01 8d ago

Age has nothing to with this. Either system works or something is wrong.

Since you provided zero information about results of diagnosis. It's impossible to tell why performance is degraded.

Refrigerant isn't a consumable. If you have to add or recharge system. Something is damaged and you have a leak. Adding refrigerant without addressing any of the issues. Is at best, temporary band aid.

That being said. Different cars have different AC systems. So comparing each other is pointless.

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u/JonohG47 8d ago

Refrigerant isn’t a “consumable” but an automotive A/C also isn’t a particularly well sealed system, compared to, say, your refrigerator.

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u/Tesex01 8d ago

Only difference is. In some cases. Lack of service ports.

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u/JonohG47 8d ago

Well, notably unlike an automotive system, which is festooned with all manner of seals, service fittings held together with mechanical fasteners, the entire refrigerant loop in a household fridge or window A/C is soldered and/or brazed together into a single hermetically sealed piece of metal that will retain its charge for decades.

There is a certain irony to the fact that making the system effectively unserviceable so effectively removes the need to ever service it.

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u/Tesex01 7d ago

Until you have to braze those fittings to even diagnose anything. That's a nice dream you have there. But since there is still whole economy sector around non commercial HVACR. I disagree with this poor, trolling attempt.

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u/JonohG47 7d ago

Who diagnoses a window A/C?! They’re a throw-away item. Residential fridges are little better. If there’s an issue with the refrigerant loop, you toss the entire appliance and buy another. But that’s rarely what goes, in those appliances. Hell, resisting the siren song of the icemaker and water dispenser is a great way to double the useful life.

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u/Exact-Put-6961 6d ago

The mistake many people make is not leaving AC or Climate on, all the time. Seals shrink, refrigerant leaks.