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| Checking Pressure on the Aircon System |
The other week, a Honda Civic came in the shop having an issue with their aircon. One look and it was clear that there was a malfunction on the compressor. Seeing the problem, it was quickly resolved by installing a new compressor and voila cool air once again.
This week, the same unit came back and the owner said that the aircon is doing well except that now the car has a tendency of overheating.
Upon troubleshooting, it was diagnosed that the cause of the engine to overheat is a mistake in the wiring of the fan. Instead of operating in a clockwise motion, the fan was mistakenly wired to run in reverse.
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| Rewired Fan Wiring |
In this regard, the fan operating in the opposite direction creates a lack of ventilation to the cooling system of the car which in turn causes the overheat. To fix the problem, we just rewired the fan to operate correctly.
On another note, it is quite possible that the fan's inability to operate properly may also be the reason that the aircon compressor may have malfunctioned a week prior to this incident. The heat generated due to the lack of air ventilation from the fan may have led to the compressor getting busted.
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