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air comming out of oil tank??

 
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alan a
Alfa Arna


Joined: 09 May 2005
Posts: 13

PostPosted: Wed Oct 19, 2005 5:08 am    Post subject: air comming out of oil tank?? Reply with quote

there is air comming out of my oil tank!!??? there is a lot of air comming out were you pour the oil in. i lost my oil cap because of this!! when leaning over the engine bay (car running of course) you can easily feel the air pressure on your face. why is this happening??
am i loosing power because of this? and is it bad for the car?

cheers alan
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bobbber
P4


Joined: 14 May 2003
Posts: 2162
Location: The Greatest Town on Earth - Swadlincote, UK

PostPosted: Wed Oct 19, 2005 10:03 am    Post subject: Reply with quote

This is positive crankcase pressure.

You need to clean the Crankcase Ventillation system :

http://www.alfa-restoration.co.uk/crankcasebreather/breather.html

Good luck!

Bob
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tvatavuk
Gold Cloverleaf


Joined: 13 Mar 2003
Posts: 673
Location: Split, Croatia

PostPosted: Wed Oct 19, 2005 10:06 am    Post subject: Reply with quote

You should feel it only at idle and little above, pressing accel wire should provide some suction action from oil filler tube.
In case you're getting even stronger wind from there, that could be sign of very worn piston rings, which means expansion fumes from chamber escape around piston...and at end you don't have power.
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Tino Vatavuk
Little black dress which replaced Alfa Romeo 33 S 16v Permanent 4 GMo
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bobbber
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PostPosted: Wed Oct 19, 2005 10:14 am    Post subject: Reply with quote

Yes - also perhaps too much blow-by gasses ending up in the crankcase due to worn piston rings....

Unlikely though Tino?????

Bob
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bobbber
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PostPosted: Wed Oct 19, 2005 10:38 am    Post subject: Reply with quote

Incidentally - I was in your neck of the woods the other day Tino....

Nice part of the world...

Bob
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bobbber
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Location: The Greatest Town on Earth - Swadlincote, UK

PostPosted: Wed Oct 19, 2005 11:02 am    Post subject: Reply with quote

Place called Verazhdin???? My cousin lives in Slovenia - between Ptuj and Ormoz.

Bob
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Gold Cloverleaf


Joined: 13 Mar 2003
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Location: Split, Croatia

PostPosted: Wed Oct 19, 2005 4:01 pm    Post subject: Reply with quote

Seems so.
Incidentally- the other day I was on Croatian Alfa meeting in my home town Smile http://www.alfisti.hr/susreti/split/01.htm (only red 33 there).
I suppose you were in Varaždin, it is nice much more like uk (continental climate, green grass...), then adriatic coast where I live.
If you ever plan on passing through Split I expect p.m from you before you do so Smile
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Tino Vatavuk
Little black dress which replaced Alfa Romeo 33 S 16v Permanent 4 GMo
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bobbber
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PostPosted: Thu Oct 20, 2005 11:13 am    Post subject: Reply with quote

Sure thing.

Blimey Tino - you have the CLEANEST 33 I've ever seen!!!!!

Bob
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Location: Split, Croatia

PostPosted: Thu Oct 20, 2005 6:19 pm    Post subject: Reply with quote

Quite oposite of that, it is allways coverd by mud. To reach my house I need to drive through 2kms od road that is 80% of time covered by mud, at autum,winter,sprig because it is raining, at summer beacause people are watering their land, flovers,vegetables....
33 has been to car wash about 100 feet away from meeting place (AR importer) Smile
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Tino Vatavuk
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