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[SteBla]

Just got a 2.0CD P96 and you cant really hear the engine much cruisning @ 2krpm but when I put my foot down I can hear a throat gunt and once it hits 4krpm I can also hear a whistling noise

Is this normal?

[Grumpy]

Hi SteBla, and welcome to the site.

The 2.0L's can sound a bit 'Gravelly' when under load. So I wouldn't
worry unless you get any other symptoms.

The whistling can be anything from wind noise whistling through
a piece of bodywork (window seal? wing mirror? loose trim? etc..),
to a problem on the engine (bearing? aux belt? air leak in the
induction system? etc..).

Rev the engine whilst in park/ neutral and see if the whistle is coming
from the engine. If so, just follow your ears and track it down.
If not, then you are looking at airflow over part of the bodywork
or other rotating assemblies (wheels? propshaft? gearbox etc..)

All a process of elimination really. But without any other symptoms
I wouldn't start to get worried just yet. First thing is to check out
is if it's coming from your cambelt/ aux belt area. If so, you need to
sort it before a bearing gives up the ghost and totals your engine.