Air conditioning problems with the 2021 Isuzu MU-X LS-T SUV
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Asked by Peter
Has anyone else had trouble with the air-conditioning on a 2021 Isuzu MU-X LS-T leaking water on to both the passenger and driver side under dash area, and soaking carpet and sending them mouldy?
Answered by CarsGuide
18 Nov 2024This is an annoying but relatively common problem in many cars, not just the Isuzu. Because a car’s air-conditioning system dehumidifies the air (as well as cooling it) the water that was suspended in the air has to go somewhere. When everything’s working properly, there’s a small drain-hose from the air-con unit, through the floor to under the car where the water can be dumped with no problems.
But what often happens is that the little tube or drain-hose becomes blocked. At which point, the air from the atmosphere has nowhere to go other than inside the cabin where it causes the mayhem you’re experiencing. By locating the drain-tube and cleaning it out, the problem should go away. If not, you need to look more closely at the car’s heater matrix which also lives under the dashboard and can leak coolant into the cabin for a similar range of problems.
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