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Vectra C - Noise - wonderwheels
My 2004 Sri has developed a strange noise after its 2nd service at 32K miles.When driving at lower speeds in higher gears (35mph in 4th) so the revs are low,there is noise that sounds like a "budgie".It sounds "sort of" like a chirping noise.Possibly an air leak but where should I look (or do I put it back to the Dealer)

Air Filter
Pollen filter
Oil and filter
Fuel Filter

were among the items changed,but this could be a "herring rouge"


Any ideas welcome
Vectra C - Noise - John S
Could be an exhaust manifold leak. These can definitely chirp. It's in warranty, so let the dealer sort it!

JS