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Re: [T3] oil breather cap and rattling motor


On 14 Oct 2002, at 22:31, Jeff Palmer wrote:

> The oil breather cap has popped off before, and I've replaced it.  What is
> the purpose of this cap, and what would cause it to pop off?

There is a spring under it that often pushes it up. The usual reason that it 
can pop up is that it hasn't been pushed down far enough to snap into place. 
You really have to beat them down to get the fingers to grab under the inside 
lip. If the fingers have been squeezed inward for years you may need to 
spring them out a bit to get them to hold again. You can do this if you stick 
something in there that forces them outward while you immerse the cap in 
boiling water for a few minutes. Use a piece of a broomstick, or a film can,....

> I gave the air outlets a good shake and they appear to be tight.  The
> rattling sounds a bit more 'internal', like it's coming from inside the
> motor rather than something loose outside.

Use a long screwdriver as a stethoscope to listen. Find out where it is really 
coming from. If it's the fan housing you will have to get in there and fix it. 
There is one large bolt in the black "handle" that can still hold the housing 
steady even if the small bolts have come loose and are ruining your fan.

> I'm wondering if there's a relationship between the rattling motor and the
> oil breather cap popping off?

Probably not.

-
Jim Adney
jadney@vwtype3.org
Madison, WI 53711-3054
USA

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