Re: Long - oil filter anti-drain valve - the die is cast

[quk@isham-research.demon.co.uk (Phil Payne)]

In message <361C2664.7061A970@nais.com> Michael Murphy writes:

> Phil Payne wrote:
> > No problem.  You're wrong.  I think.
> > . . . but to stop the upper galleries and most particularly the
> > lifter feeds from draining.

> Phil went on to mention how Audi "double speaks" the issue.  BTW, AoA
> sent me a 1st class post of their "Maintain the Advantage" advert with,
> yep you guessed it, a FREE oil/filter change coupon.  Enclosed brochure
> mentions, "We've recently reduced prices on many of our most popular
> parts up to 60%". Great, so now they are just 50% higher than anywhere
> else.
>
> Mr. Payne, you are always the gentleman and diplomat, but again I
> counter with Mr. Newton's gravity missive and the filter manufacturers'
> statements about the ADV.  Then pose the question:
> Regardless of the height of the filter mount, relative to any engine
> part; and in a position where the filter outlet it facing the sky
> (metaphorically speaking) as it is on my NF engine and I'm guessing most
> I5s/V6/V8/L4 engines; how is oil going to be sucked out of it when the
> valve only goes in one direction - that is to prevent oil from coming
> out of the filter if it is inverted?

Two counter arguments:

a) If you forget to pull the filter cartridge before you unbolt the
   cylinder head, you get oil all over your feet.

b) If you take a filter off and invert it, it drains.

How does a filter empty regardless of orinetation?  It siphons.

--
 Phil Payne
 Phone: 0385 302803   Fax: 01536 723021
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