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Join Date: Feb 2008
Location: United Kingdom
Re: Is My Fan Cutting In at High Revs???
You know I've actually witnessed this one before, the car in question was another 156 and the problem was the windscreen was coming unstuck.
But there are other possible causes, windows open slightly, air vents, freaky wind angles, roof bars and sunroofs (if fitted). But another favourite is a split turbo hose, this will give you a loud whistling noise and as it gets worse you'll start to lose performance from the engine. All are easy fixes it's just a case of finding which it is, the most expensive is the window coming unstuck, but that's always solved by smashing the window and geting the insurance to replace it for you £50-£60 quid.