2004 Alfa Romeo 156 - Blowing Noise

156 1.9JTD Veloce M-Jet Problem
The Problem
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Langers

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Blowing Noise
Jul 15, 2008 (11 years ago)
Have just drove to town and back at lunchtime, car was fine on the way, on way back started to get a bit of a blowing noise from the rear of the engine bay when over 3000 rpm, theres no loss in power or anything like that sounds like a loose pipe.

could this be the pipe to the turbo? there is no loss in power just a slight hissing sound when revved.

Car: Alfa Romeo 156
Variant: 1.9JTD Veloce M-Jet
Year: 2004
Category: Leaks & Noises
Recalls: Alfa Romeo 156 Recalls
More: Alfa Romeo 156 Problems
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mr suzuki
Fixes: 685
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Jul 18, 2008 (11 years ago)
has your 156 got a boost gauge on dash is it reading normally it has a vacc pipe running to it that may have a small split or check all vacc pipes for leaks
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