Engine noise

Woogy

Middle Lane Hogs
Have a strange noise coming from the engine when i start my car.It only happens when the engine is warm a bit and lasts for about 30 seconds.Cant explain it,only that it sounds like my brothers Alfa 156 when he starts his that all Alfas have.Anyone ever have this problem?
 
[quote author=Scruff link=topic=2534.msg23269#msg23269 date=1181069255]
Could be piston slap, what does it sound like?
[/quote]

Hard to explain.Kind of like a weak humming noise but its loud enough.Only when the revs are low.
 
[quote author=Scruff link=topic=2534.msg23280#msg23280 date=1181071323]
Is it like someone blowing over the top of a bottle?
[/quote]

Nope.
 
I thought piston slap only happened when the engine was cold?

Is it a ticking noise?
 
Doesnt really happen when its cold because the engine is at higher revs to warm it up.Might happen if i left the engine cool for awhile but the noise wouldnt last that long.
 
[quote author=nodge link=topic=2534.msg23360#msg23360 date=1181127378]
Does it only happen when you're parked beside your brother's car? :ponder:





















:nana:
[/quote]

Was waiting for that smart comment.Emmm.....................no.
 
[quote author=r_mehigan link=topic=2534.msg23439#msg23439 date=1181164643]
do you have an induction kit or anything like that fitted to the air intake
[/quote]

Nope.All standard.
 
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