Superb_Norway

Today I heard a strange sound from my engine. First I tought if was a oil leakage or a water leakage. I stoped, but I couldn't find any oil or water under the car or in the engine.

The sound comes when I accelerate hard, specially uphill. I'm not sure, but I think the sound comes with the turbo.

Generally there is no sound, but like a said, in hard acceleration uphills, I sometimes hear the leakage-sound.

But there is no evidence of oil leackage or other liquid leakage.
My brother said to my that this is a commond sound with dieselturboes, but I haven't heard the sound before, so I'm not sure...

Some tips?

devonutopia

If its a "sound" it's more likely to be an air leak, than a fluid leak. Is it a turbo diesel I assume? There's going to be a culprit either in the turbocharged air system, or in the vacuum pipework. Is it like a hissing noise? Also, if it's the turbocharged pipework leaking you will usually find lack-lustre performance as it loses boost.

Good luck finding what it is.

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Bluefox

Mine sounds a bit like that. I have a 1.9TDI and a drilled airbox, so I have to add my bit here and say I think it's turbo-related.

If you are loosing power it's probably a boost leak, if not it'll be a leak this side of the turbo, as it were.

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SJFISHER67

Drilled Airbox? Do you have any pics of this and do you notice much difference with the airbox being drilled?

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Superb_Norway

The problem is not only when driving, but when i park the car i "P" and increase the rpm, then I also can hear the sound when the rps increases.

I've been lokkin in the engine for any oil leak, but I can't find any. The power is also great. But I don't like the sound. Do you think it's serious?

bryanp

I know this may be way of the mark but when I first got my Octavia and then my Superb on both cars I noticed a running water type noise mostly when I had parked up, Took me ages to realise what it was till a friend at work who's got a passat explained to me it is the water settelling in the Climate control system. never been a problem but you get strange looks from people when they first travel in the car, Like I say may be way of the mark but a different angle to look at it from and you never know!

Supurbia

I get that as well, assuming it's the same thing, almost like air purging from a water system.

Adds another thing I don't think should be on the car, and another reason not to buy another Shabda Shodperb.

sidewaze samm

That's a sound I get too, though it only last for a second or three. Used to get it on my MR2 years ago as well - no aircon on that, though it was mid-engined with the rad at the front.