AK
Member
Registered: 5th Jul 00
Location: Aberdeen City
User status: Offline
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susp turbo problemo's
oh oh- blue smoke ......
bit of a problem.
Was on track this eve. Folk reported some blue/grey smoke under acceleration. Pulled up couldnt see anything, shut the car down. Started up 5mins later, big plume of blue smoke out the back.... it died down but was still a blue tint. Called the day quits then.
Checked the oil, it'd used about 0.5l. Topped it up and drove home with missus behind to check out the smoke. She said that there was some blue/gray smoke under acceleration only... not much, but some.
The engine sounds as before..... checked the compression
No1 - 155 psi
No2 - 158 psi
No3 - 158 psi
No4 - 156 psi
No5 - 147 psi
No6 - 152 psi
The turbo spool sounds a wee bit 'different'. Cant describe it, but it just sounds different.
Oil temps were fine, Oil pressure is good. 2bar at warm idle, rising.
I checked the breather that goes to the inlet post AFM, and it was dry bar some residue... certainly not wet.
The IC pipework was a bit oily last time i had the IC off.
Any thoughts?
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lee mitchell
Member
Registered: 26th Jan 01
Location: kent...drive's: eveyones conversion cars hard lol
User status: Offline
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de ja vu 
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AK
Member
Registered: 5th Jul 00
Location: Aberdeen City
User status: Offline
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ja vu.... ja vu.... ja vu 
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Ben ev
Member
Registered: 23rd Oct 05
Location: kingslynn / torquay
User status: Offline
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take the inlet off the compressor housing and check for play/end float
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corsa90
Member
Registered: 6th May 07
Location: Newcastle Upon Tyne
User status: Offline
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Its burning oil, if theres blue smoke out the back!
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Scotty C
Member
Registered: 6th Nov 05
Location: Kidderminster Drives: 1.6 16v Sport
User status: Offline
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I think he knows that Corsa90 
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AK
Member
Registered: 5th Jul 00
Location: Aberdeen City
User status: Offline
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Ok... bit of an update.
Spoke with Don at Hybrid Connection - said that they should be a direct replacement and most people dont bother with restictors.
I'm running 6bar oil pressure (cold) at idle, 2.5'ish warm.
Re-checked compression - cold engine this time, 150psi
I stipped off the IC and piping to see what was lurking. :O
Poured a lot of oil out of the IC, and it was dripping out of both pipes into the IC.
inlet
front turbo intake side
no smoke.... couldnt see any smoke during test drive (up to temp), could not see any smoke at idle. Could not see any smoke (bar a wee black fuel puff) when pressing accelerator when stationary
One thing thats puzzling me is that if this is a result of oil being sooked up through the breathers etc.... why would they be quite 'dry'
If it was turbo seals would it not smoke all the time? Same with valve stem seals and rings.
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Dave A
USER UNDER INVESTIGATION - DO NOT TRADE
Registered: 10th Dec 03
Location: County Durham
User status: Offline
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a proper leakdown test will show if its stem seals/guides. probably turbo seals is my guess.
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