The air-condition in my 2018 Holden Acadia isn't working
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Asked by Hini
The air-conditioning is not working in my 2018 Holden Acadia. I changed the thermostat and three sensors, and still nothing. What else can the mechanic check?
Answered by CarsGuide
8 Mar 2024The workshop you want is a specialist air-conditioning business. Air-con might have a simple job to do, but it’s a complex system with lots of interlocks to protect the various bit and pieces. If, for instance, the gas level is low, a sensor will detect this and disable the air-con compressor so the system can’t be damaged by running with low gas or lubricant. So, simply replacing sensors and other bits and pieces randomly is a great way to tear up money and still not fix the problem.
You need to have the system checked by somebody who understands the technology. They will test for leaks, check whether the system is holding pressure and then check the operation of the rest of the hardware including the compressor, receiver-drier, condenser, blower-fan and relevant filters.
If you’re lucky, the system may just need re-gassing, but you could also be up for some expensive new parts if there’s other damage or problems. But without a proper diagnosis, you’re flying blind.
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