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When I say louder, I mean LOUDER. It seems to be very random. It is not just due to a hard run, or cold engine, or anything like that. It seems to do it whenever it wants to. The sound is reminiscent of the churning sound that came from my friend's old truck that would churn whenever it was low on oil. My 850 is always filled to the brim though (synth). Hmmm... Are 850's usually very clicky, churny, loud? It's a low pressure turbo by the way. I need to get a job at a volvo garage you guys. This is just too much fun.
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