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nicolas0505

Member Since: 23 Dec 2020
Location: briançon
Posts: 79

change engine sound when cold

Good morning

There you go, I have a 2.4 engine, when I start cold the engine makes a certain noise and just afterwards it changes noise like something is unlocking. I suspect the position of the turbo geometry. when the engine is hot it no longer does it

23rd Dec 2023 12:27pm

andy63

Member Since: 30 Jun 2023
Location: north east
Posts: 531

It may well the viscous fan.. It can make a loud roaring noise at start up.. But then settles back down..

23rd Dec 2023 1:13pm

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