The blend door controls how much air-conditioned and heated air enters the cabin. The good news is, they are not that expensive and are easy to replace (most of the time). If there is no air blowing from your Accord at all, the blower motor is at fault. However, it isn’t hard to change a cabin air filter. If your blower motor is set on high and you don’t feel much airflow, this is likely the issue. When a cabin air filter gets dirty, airflow is reduced. Most (but not all) modern vehicles come with a cabin air filter, and it’s one of the most neglected maintenance items. Wiring Issues– If there’s a blown fuse or compressor wiring issue, the air coming in should be equivalent to the outside temperature at best.Sitting For a Long Time– If your Accord has been sitting for a long time, it can really be hard on the AC compressor.Slipping Belt- A slipping serpentine belt can cause the car’s AC compressor to turn slower than it otherwise would, which will cause the AC system to not cool enough.When this switch fails, your air conditioning will only blow warm air. Clutch Cycling Switch– AC systems use an electromagnetic clutch to activate the compressor.Here are the four main reasons why your Accord’s may not be working: Faulty CompressorĪ faulty compressor will not move the refrigerant through the system properly. If the cooling system works better on the highway (where fans aren’t needed), your Accord may be having fan issues (blown a fuse, bad motor, wiring harness damage). If your condenser has taken damage or is clogged up, it can’t remove the heat from the refrigerant.Ĭheck to ensure that the electric fan over the condenser is engaging. Check the condenser to see if it’s blocked by debris. Weak airflow to it will reduce its efficiency. Bad CondenserĪn AC condenser is a little radiator that pulls the heat out of your car’s refrigerant. It can be tempting to get more coolant and get back on the road, but unless you find where the leak is coming from, it’ll eventually happen again. In fact, most compressors won’t even cycle on without the right amount of refrigerant pressure (this saves them from eating themselves).Ī low refrigerant level is perhaps the most common reason that your Accord’s air conditioner is not blowing cold. Your Accord’s air conditioner will not work if the refrigerant level is too low. Here are the most common causes of an AC system not blowing cold in the Honda Accord: Lack of Refrigerant Honda Accord Air Conditioning Not Blowing Cold: Causes
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