Overheats when idle AC on

2013 MITSUBISHI PAJERO
110,000 MILES • 3.5L • 6 CYL • 4WD • AUTOMATIC
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FARHAN UL HAQ
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When it is too hot, on idle AC on starts heating up, if switch off the AC, the heat needle goes back to normal position.
Jul 2, 2018 at 1:12 AM
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STRAILER
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Hello,

With the engine running and the AC on can you hear the radiator cooling fans running?

Please let me know, Cheers, Ken
Jul 3, 2018 at 1:17 PM
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FARHAN UL HAQ
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Yes fans are working fine. Just have a doubt that is there any possibility of A C compressor load is creating the problem? Because when AC switched off the needles comes back. When the car heats up, the AC stops blowing cold air.
Jul 8, 2018 at 3:36 AM
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STRAILER
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The compressor will not cause the engine to heat up. Can you see if there is an obstruction in front of the radiator like a plastic bag? Also, it sounds like the engine could be close to overheating. Here is guide that will help you troubleshoot the problem:

https://www.2carpros.com/articles/engine-overheating-or-running-hot

Please run down this guide and report back.

Cheers, Ken
Jul 13, 2018 at 4:45 PM