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Corsa Sport » Message Board » Help Zone, Modification and ICE Advice » Running water sound behind dash at startup? » Post Reply

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Willp

 posted on 20th Jan 07 at 18:14

Thanks all for your replies.

Yes the heater does get hot

If it IS headgasket, what would cause the temporary sloshing sound on startup, then silence?
ie what's the mechanism?


whitter45

 posted on 20th Jan 07 at 00:24

also had this never had my head gasket replaced - sounds like air in the matrix


ainsley_brader

 posted on 19th Jan 07 at 21:33

What it is is air in the water passing through the heater matrix.

Numerous things can cause this.

If the water system has been tampered with recently for example headgasket change or water pump then you could expect it for a couple of days.

But after a few days it should have bled itself out if it continues then it is still getting ai in and one of the most likely things is headgasket!


crazycorsa19

 posted on 19th Jan 07 at 18:58

my pug done this and head gasket was fine!!


Mike GSi

 posted on 19th Jan 07 at 17:49

def thermostat! it done it on both my last voxalls!


Robin

 posted on 19th Jan 07 at 17:41

not necessarily HG failure, could be an airlock, or a fucked heater matrix, like monkeh says.

does it get hot?


Corsa E-Tec

 posted on 19th Jan 07 at 17:38

could even be a slipping alt belt. they sound like that.


AuroraSport

 posted on 19th Jan 07 at 14:00

quote:
Originally posted by Cybermonkey
you cant jump to HG failure straight away. it could well be the heater matrix. look for other signs of HG failure like creamy mayo in the oil, or contaminated coolant


i know, it was just the first thing that popped into my head :lol:


Cybermonkey

 posted on 19th Jan 07 at 13:56

you cant jump to HG failure straight away. it could well be the heater matrix. look for other signs of HG failure like creamy mayo in the oil, or contaminated coolant


VegasPhil

 posted on 19th Jan 07 at 13:55

Ironically mine has started doing it after I had the Water Pump Changed. Niiiiice.

I suspect HG failure :)


AuroraSport

 posted on 19th Jan 07 at 13:47

it might be due to other reasons, its just one of the symptoms associated with hg failure.

could also be down to airlock/heater matrix


[Edited on 19-01-2007 by AuroraSport]


Willp

 posted on 19th Jan 07 at 13:45

OUCH!
That's what has just been fixed supposedly...
Why is the temporary sound of running water such a giveaway?

thanks


AuroraSport

 posted on 19th Jan 07 at 13:40

one of the notorious signs of head gasket failure


Willp

 posted on 19th Jan 07 at 13:38

Hi to everyone, please excuse this new member diving in straight away with some questions!

Just acquired 1.2GLS 1997, 110k but in overall clean condition.
If the car has been left for a while then started up there is a running water sound on startup.
This goes after 20 or so secs.
Heater works fine.
Should I be concerned or doing anything/investigating?
Local garage says sometimes they do this.

Should mention that the cooling system has been drained due to cyl head reskim and new water pump fitted - could bleeding be required? But should be self bleeding? Expandion tank is approx half full.

Many thanks