Matt.H
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Registered: 12th Mar 03
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Just checked my mum's corsa...P reg 1.2 8v and she has alot of "mayo" around the oil filler cap, I know this can be due to a knackered head gasket but she is loosing no water.
Another thing that i thought is that she only goes to work and back in it each day which is no more than a mile. Could it be condensation in the engine while its stood overnight and she isnt goin far enough to get the engine warm properly....or is it something else.
any help much appreciated. Cheers Matt.
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Dave A
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Registered: 10th Dec 03
Location: County Durham
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only way to be sure is a pressure test.
i had a corsa gsi that did this. turned out to be condensation.
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Matt.H
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Registered: 12th Mar 03
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it runs spot on...would it be noticeable if there was a loss of compression?
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Twiggy
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Registered: 15th Oct 04
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yeh do a P.T. and pray!!!! 
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Cybermonkey
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Registered: 22nd Sep 02
Location: Sydney, Australia
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quote:
Originally posted by Matt.H
it runs spot on...would it be noticeable if there was a loss of compression?
i wouldnt worry about it to be honest, notorious for moisture build-up in the sump. just go and rag the arse off it for an hour up the m'way. Get rid of any moisture left in the sump. Is there any gunk on the dipstick? is the coolant looking ok?
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Matt.H
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Registered: 12th Mar 03
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just had a look at mileage...only 42 thou. Coolant looks good, there was abit of gunk on the stick yeah.
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Cybermonkey
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Registered: 22nd Sep 02
Location: Sydney, Australia
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if there was mayo on the dipstick, then it is probably just moisture. Get an oil change done, then tell your mum to take car for a good drive once a week
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James R
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Registered: 4th Feb 03
Location: 205GTi16/306GTi16
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If it's used for lots of short trips then I'd expect some mayo, you'd know very quick if the h'g had failed, as you'll get oil in the water very fast as the pressure difference is great that way, water in the oil is less common on h/g failure.
Just wipe it down and keep an eye.
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Rob_Corsa
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Registered: 4th Apr 02
Location: Derbyshire
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I bought a corsa with loads of mayo in filler cap, cleaned it off and it never happened again. Think it can happen if the car aint used much, ie short journeys all the time.
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Cybermonkey
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Registered: 22nd Sep 02
Location: Sydney, Australia
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robs right 
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Matt.H
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Registered: 12th Mar 03
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Ok cheers. i'll make sure the oils gets changed and gets a good run now and again.
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Fad
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Registered: 1st Feb 01
Location: Dartford Kent Drives: 330cd
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also check the breathers JRs old 1.2 had loads of gunk on the filler cap and perfomance was down. After that was cleaned up it was like new
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Matt.H
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Registered: 12th Mar 03
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Where abouts are these on the 1.2?
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