This'll be evident from an inspection. Take a look at the seals, fittings, compressor hoses, compressor hose manifolds, the front seal, the O-rings, the Schrader valves, the condenser, and where condensation drains out the evaporator; keep an eye out for wear or damage.

Low Refrigerant Levels

This is most likely if the AC doesn't cool properly. Either you need service -- the levels need to be topped off, for example -- or there's a leak somewhere. You'll know low levels from the system running too fast. You'll know a leak from the AC not being due for service.

Bad AC Compressor

You'll know this from your interior being warmer than usual, from the AC making weird noises, and from its clutch being stuck. Connect a voltmeter; no voltage means the compressor has failed. Other causes of it going bad include low refrigerant pressure, a faulty cycling switch, and a plain old blown fuse, so check those, too.

Failed AC Condenser

A lit HVAC warning light will tell you this is the problem. Ditto for frost accumulation, a flashing AC button on the dash, and discharge pressure issues. If no air's coming through the vents at all, though, the trouble might be a failed blower motor. Otherwise, it could be a bad cooling fan or a clogged cabin air filter.

Replace any parts you have to, and be sure to use OEM for repairs, vs. aftermarket. They'll be manufacturer-quality, they'll fit and work right the first time, and you won't risk voiding your factory warranty with them.

Shop OEM Air Conditioning Parts at BAM Wholesale Parts in Brunswick OH

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