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Author Z20LET help... (Now with video)
Robbo_Corsa
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Registered: 5th Jul 06
Location: North Lincolnshire
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10th Nov 12 at 10:01   View User's Profile U2U Member Reply With Quote
Basically, I might be getting a Corsa C Z20LET..
Only one problem, he says it smokes when not started for a while, but when warm and revved only.. Sorted of a white-ish smoke?

I've done some research but could be a number of things; cracked head, stem valve seals, turbo etc

Anyone any ideas?

[Edited on 11-11-2012 by Robbo_Corsa]
Cole
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Registered: 11th Nov 02
Location: eastbourne Drives:zafira sold now a qashqai
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10th Nov 12 at 12:46   View User's Profile U2U Member Reply With Quote
Valve stems mine does it all the time
monkeytwizzel
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Registered: 10th Aug 11
Location: Chard, Somerset
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10th Nov 12 at 15:03   View User's Profile U2U Member Reply With Quote
my way of telling others will say different,white smoke that lifts slowly is fuel and grey smoke that hangs low in the air is oil.easiest way to check if the turbo is at fault is to pull off the first intercooler pipe from the turbo and check for oil on the inside,valve stem seal promlem would normally clear as the engine heats up but this only applys to worn/hard and not missing ones.
Robbo_Corsa
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Registered: 5th Jul 06
Location: North Lincolnshire
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10th Nov 12 at 18:35   View User's Profile U2U Member Reply With Quote
Valve stems expensive?
Robbo_Corsa
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Registered: 5th Jul 06
Location: North Lincolnshire
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10th Nov 12 at 21:21   View User's Profile U2U Member Reply With Quote
Bump
Robbo_Corsa
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Registered: 5th Jul 06
Location: North Lincolnshire
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11th Nov 12 at 12:42   View User's Profile U2U Member Reply With Quote
Heres the only video i have of it.. To me that just looks like steam from condensation, but its been running for 20mins and a quick run round the block..

http://www.youtube.com/watch?v=dgzqGmEb8gc

any opinions?
davegreen
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Registered: 20th May 12
Location: Oxfordshire
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11th Nov 12 at 12:57   View Garage View User's Profile U2U Member Reply With Quote
could be head gasket, looks white smoke/steam. does the cooling system presurise quick when hot?
Robbo_Corsa
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Registered: 5th Jul 06
Location: North Lincolnshire
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11th Nov 12 at 12:59   View User's Profile U2U Member Reply With Quote
As in, if i release rad cap, its pressurised?
Corsa_Sport21
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Registered: 13th Apr 08
Location: Leven, Fife. Drives : 205 GTi
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11th Nov 12 at 13:14   View User's Profile U2U Member Reply With Quote
Looks like smoke from it being cold outside. Deffo not belting out enough to suggest a problem imo.

Does it do it on idle??
davegreen
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Registered: 20th May 12
Location: Oxfordshire
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11th Nov 12 at 13:21   View Garage View User's Profile U2U Member Reply With Quote
after releasing presure then replacing cap do the hoses go hard quick when revs raised and held around 4k?
Rob R
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Registered: 31st May 03
Location: Kent
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11th Nov 12 at 17:08   View User's Profile U2U Member Reply With Quote
I'd say turbo seals, the turbos on ZLET's are notorious for having shagged seals
Chris
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Registered: 21st Sep 99
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11th Nov 12 at 21:19   View Garage View User's Profile U2U Member Reply With Quote
Just sorted mine, loads of smoke from cold and clouds after tick over.

Take out a plugs look in the bores look for oil seep over night.
Warren G
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Registered: 14th May 06
Location: Kent
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11th Nov 12 at 21:40   View User's Profile U2U Member Reply With Quote
Stem seals

 
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