Turbo whistling on 06 volvo s40 1.6 diesel any remedies?

SOURCE: turbo

get the impelar on the turbo checked for play. its a sue sign its on the way out!

SOURCE: oil coming out of exhaust and whistling turbo

it sounds like your turbo has packed in firstly the oil seal in your turbo has failed thats why ur seeing oil from exhaust & the whistling from turbo is the vanes in turbo breaking up so i would advise not to use car until new turbo is fitted & inter cooler pipes and inter cooler itself are checked & cleaned for swarf from turbo you can check turbo by disconnecting turbo pipe &inspecting turbo vanes (fins) to see if broken up or any damage to chamber.

SOURCE: poor acceleration on a fiesta

you could try looking at the hose connections on the tubo in case any have worked loose or a possibility the turbo it self has had it
but these are only my guess hope it helps you in some way
regards gr1o1

Jon Adamson

• 167 Answers
• Posted on Oct 25, 2009

SOURCE: 2009 Ford F250 Super Duty Diesel Whistling coming

Turbos are noisy if they are working. If you have the 2009 6.4L they (twin turbo) should be pretty quiet unless you have aftermarket items installed. If no aftermarket mods have been done have the coupling joint between the turbos and the outlet gasket checked by your dealer.
If it a 2007 as the heading says the original air filter and exhaust muffle a lot of the turbo whine but not all.

SOURCE: hissing noise from engine when turbo kicks in and

check intercooler pipes for splits or holes dont think turbo is at fault you must check pipes carefully remove if you have to to check