Car making a whistle noise?

Peugeot model vehicle information

Car making a whistle noise?

Postby dridan » Thu Sep 08, 2011 12:52 pm

I recently bought a second hand (year 2003) Peugeot 307 rapier hdi and it makes a whistle noise (not loud but I can still hear it) when I accelerate. The garage guy where I bought it told me it was the turbo, but I have been in other turbo cars and I have never heard that noise before. Is he lying?
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Car making a whistle noise?

Postby shipton » Thu Sep 08, 2011 12:54 pm

Whistle sound comes from turbo. There are different types of sound turbos produce, high, medium, low pitch whistle, sometimes it's more like howling, sometimes it's like whining and yet the turbo is in perfect health. Some turbos are designed/tuned for lower revs, others for higher, this also affects on how the turbo sounds.
If you car goes fine and you feel the power and you have no big deal of black clouds behind when you rev the engine high then your turbo is ok.
Most of people like to hear that sound, me too. It is cool sound for it gives a sense of rising power and speed. Try to enjoy it.
By the way, to avoid turbo bake the oil, you should always leave the engine idle before shutdown for about 2 minutes. Especially if you have driven it hard, then you should leave it idling few minutes more providing that the engine oil circulates around turbo bearings and cool them down.
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Car making a whistle noise?

Postby kerrigan67 » Thu Sep 08, 2011 1:04 pm

Possibly a leaking hose which could be accentuating the turbo whistle, but if it's running OK I wouldn't worry.
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Car making a whistle noise?

Postby jerrod26 » Thu Sep 08, 2011 1:07 pm

No not lying. In some cars you can hear it and some you cannot.
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Car making a whistle noise?

Postby nef92 » Thu Sep 08, 2011 1:15 pm

is your car not running good if it aint dont worry bout it if u think he is lien take it to a different shop
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Car making a whistle noise?

Postby choncey » Thu Sep 08, 2011 1:19 pm

check for a lose hose connection or, the clamps. if air is escaping it will run rough.
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Car making a whistle noise?

Postby spencer18 » Thu Sep 08, 2011 1:29 pm

no hes not, its making all the right noises
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