UK & Ireland S2000 Community Discussions related to the S2000, its ownership and enthusiasm for it in the UK and Ireland. Including FAQs, and technical questions.

Sound of Water gushing under the car when pressing the gas!

Old 01-16-2012, 06:35 AM
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A decat can make a wooshing noise like its water flowing through a pipe as well if its the unbaffled type...Thats normally on WOT though and on upchanges. My BERK decat did that all the time but my new one with a baffle in it is quiet.
Old 01-16-2012, 10:59 AM
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I have the same... Have you checked inside your boot underneath the tool kit? Mine was absolutely soaked, haven't had a chance to investigate yet but I imagine my hood drains are blocked or something similar
Old 01-16-2012, 12:09 PM
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Originally Posted by lovegroova
Originally Posted by Senna fan' timestamp='1326698677' post='21320451

Yep, am in no doubt, this time of the year the cold air meets warm exhaust and creates pints of condensation.
U will not get this in warmer weather...
Moderator comment: Please do not use text speak in this forum, thank you. https://www.s2ki.com/s2000/topic/131...ad-this-first/
Sorry Mod. I hate text speak. A genuine pilot error there.


Must say to OP again that mine was exactly same last week. Fired her up and got loads of gurgling water sounds then stuck my head under and could tell it was back boxes. Hard revving for 40 mins produced a better water fountain than my jet wash!

As I said, I think so much water (mine spat out about 1-2 litres!) is a winter phenomenon...
Old 01-16-2012, 10:07 PM
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This does sound to me like air in the cooling system. Ususally you get this noise until the cooling system builds up pressure. So if you have it constantly is very strange. If you don't have water in the boot were the tools are then I would try to bleed the system first before i start looking for another reason. Also try to open the radiator cap when the car is completely cold. If you get a gushing sound from air as soon as you open it then this is an indication of air trapped in the system.
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