Its likely three things:
1. Mild case -> need to tighten some bolts.
2. Medium case -> recharge the coolant
3. Bad case -> fix the compressor and recharge the coolant.
4. Its an engine knock and... :/
I assume you can tell its not that.
|07p|15AULIE|1142|07o
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--- Mystic BBS v1.12 A47 2021/10/25 (Raspberry Pi/32)
* Origin: 2o for beeRS>>20ForBeers.com:1337 (21:2/150)