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Posted by: chris_seven Aug 25 2016, 08:24 AM

We have a 194/6 with an oil tank that makes a dreadful noise when either cold or hot and I wondered if this was a generic problem or maybe a poor quality tank.

Posted by: mepstein Aug 25 2016, 08:35 AM

They shouldn't make dreadful noises. Something is wrong.

Posted by: billh1963 Aug 25 2016, 08:57 AM

The two I have owned with stock tanks made no noises

Posted by: gms Aug 25 2016, 09:05 AM

Is it being pressurizing by piston blow-by?

Posted by: Mark Henry Aug 25 2016, 10:34 AM

Let's see a pic of how it's vented.
Also what brand is it? Factory, vellios, patrick, DWD?

Is it a boiling noise? if it is the return tube, that loops to the top inside the tank may have somehow broke off.
The return scavenge oil has a fair bit air in it, the return tube loops to the top where the oil drops through a screen designed to separate the air from the oil.

Posted by: 396 Aug 25 2016, 10:42 AM

You will hear gurgling noise at times, so define " dreadful " noise.

I've never heard of a factory tank having items in it come apart in the tank - but then, I don't operate a shop.

Posted by: SirAndy Aug 25 2016, 11:34 AM

First time i started up my 3.6L i had accidentally left the vent plugged.

The results could certainly be described as "dreadful noise".

Posted by: iamchappy Aug 25 2016, 12:24 PM

Mine gurgles when it first starts up.I have a 930 oil pump so it scavenges from the case at a higher volume.

Posted by: porschetub Aug 25 2016, 12:56 PM

The 911 guys say the wrong type of filter can do this,don't know from personal experience however.

Posted by: 6freak Aug 25 2016, 03:29 PM

did it just start? what did you do? ... mine make none that i can hear

Posted by: Cairo94507 Aug 25 2016, 04:01 PM

My two previous Sixes (original) never made a peep from the oil tank. My current one, the two times I heard the engine start, run and drive, never said a word either.