bhoy523
Member
Registered: 15th Apr 08
User status: Offline
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need some help guys,
got creamy white oil when i open my oil cap
its a astra iv 1.6
any idea wot the problem is and how to sort it
car seems to be running 
any feedback would b gr8
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Linch
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Registered: 4th May 06
Location: Whickham, Tyne and Wear
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Normally the sign of head gasket failure.
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Rab
Member
Registered: 10th Jun 07
Location: Alloa, Scotland Drives: Subaru Hawkeye STi
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Usually head gasket problems
[EDIT] Was beaten to it ^ 
[Edited on 15-04-2008 by RabR89]
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Linch
Member
Registered: 4th May 06
Location: Whickham, Tyne and Wear
User status: Offline
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quote:
Originally posted by RabR89
Usually head gasket problems
[EDIT] Was beaten to it ^
[Edited on 15-04-2008 by RabR89]
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bhoy523
Member
Registered: 15th Apr 08
User status: Offline
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cheers guys, so basically it needs a new head gasket!
any ideas how much to buy new and where on the net to buy it 
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andys sxi
Premium Member
Registered: 19th Jan 06
Location: Chester Drives:Scirocco tdi bluemotion
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but it could b also usein cheap oil and consation in it causein it to make it like how it is in the oil cap
April 08 feature car
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Simon_16v
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Registered: 14th Aug 06
Location: Yorkshire
User status: Offline
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A lad at college has a 1.6 8v astra mk4 and his head gasket went. Must be quite common
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bhoy523
Member
Registered: 15th Apr 08
User status: Offline
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cheers again guys,
i'll just give it an oil change and put some decent oil in it and if the head gasket goes it goes, then that will give me an excuse to get the mk IV GSI iv longed for 
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Richardhhha
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Registered: 29th Sep 07
Location: Croydon, Greater London
User status: Offline
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if you only use it for short stints then this will happen, take it for a gentle drive down a motorway, keep it at about 60 for 10 to 20 miles and check the oil again, sounds like your just getting condensation. Check the coolant for level, and any mayo...
Rich
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bhoy523
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Registered: 15th Apr 08
User status: Offline
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im driving bout 10 miles to work everyday on motorway btwn 65-75mph, ive kept a close eye on coolant, still clear and not lost a drop but still have mayo oil under oil cap, wiped away the mayo twice but the sh*t still comes back.
is the condensation caused by sitting stationary with engine running for long periods of time??
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corsa-ed
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Registered: 1st Dec 07
Location: brid, east yorks
User status: Offline
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head gasket, its normally when head gasket goes on the water kackets and mixes coolant with oil did it on my corsa ls
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luke85
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Registered: 26th Nov 07
Location: Chesterfield
User status: Offline
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I wouldn't be so quick to condemn the headgasket, if you havent lost a drop of coolant then its obviously not the coolant mixing with the oil which only leaves condensation
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baz08
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Registered: 1st Mar 08
Location: Sunderland, UK
User status: Offline
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these and the 1.2, 1.4 8 valve engines are overcooled, also whilst travelling there is cold air coming into the engine bay via the front grill which will also cool the engine casing the mayo under the filler cap, the only time you need to worry about head gasket failure is when the engine temperature rises far too quickly and when the coolant is lost or has an oily rainbow like film on the top, also check for mayo on the end of the dipstick, as this is a sure sign of HG failure
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Gibbon
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Registered: 16th Jul 07
User status: Offline
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Dont jump to the conclusion of the headgasket, I have mayo under the oil cap and its mainly becuase of (so im told) of the short journeys i always make. and becuase of what baz says above which i just found out, mine's a 1.2 8v.
Im not a mechanic but id imagine you would have bigger (and more obvious) signs if your headgasket was going.
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2ltrjim
Member
Registered: 20th Dec 06
Location: Oswaldtwistle, Lancashire
User status: Offline
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what sort of milage do you do if the car does not that many miles it can be the build up of condensatio in your rocker cover dripping into the oil arround the cams then being splashed about to make the mayo like substance. best thing to do is get it coolant pressure tested this will tell you if head gasket has gone
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