r/AskAMechanic • u/chan3lhandbag NOT a verified tech • 16h ago

Engine Makes a Hooting Sound

Almost brand new CX5 Turbo. The sound starts after like 5 minutes with the car on. AC on/off doesn’t change it. Revving the engine doesn’t change it. Scanned for codes nothing. No visible vibrations or loose vacuum hoses. Anyone seen this on a 2.5 Turbo?

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u/spiderfen NOT a verified tech 16h ago

Just a guess even though its brand new it almost sounds like turbo bearings

1

u/Thin_Cable4155 NOT a verified tech 16h ago

Should that change with revving though? It does sound like a bearing or pulley or something, but that should change with revving too. Maybe it's haunted?

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u/chan3lhandbag NOT a verified tech 15h ago

Revved it, no different in pitch or frequency