[urq] Audi 10 Valve Noises

[Stephen Kraus]

Ah! Patrick, I can test that! I have a spare Aux Vacuum pump, I shall check
it with that! Didn't even think of that!


On Sat, Sep 21, 2013 at 12:26 PM, John Koenig <koenigj at comcast.net> wrote:

>
> My understanding of oil specs is that the "15W" refers to the actual
> physical viscosity, and "40" refers to a level of performance associated
> with chemistry, additive packages, etc.  I wouldn't think that the 15W
> would be enough to interfere with the operation of an otherwise healthy
> hydraulic lifter.
> My two cents' worth...
> Good luck!
>
>
>
> ------------------------------
> *From: *"Stephen Kraus" <ub3ratl4sf00 at gmail.com>
> *To: *urq at audifans.com
> *Sent: *Saturday, September 21, 2013 12:00:40 PM
>
> *Subject: *[urq] Audi 10 Valve Noises
>
> Hey UrQ guys,
>
> I'm having my 2.3l 10 valve acting like a valve is stuck open at idle, and
> then at 2500-3000 I get a metallic noise.
>
> I'm kinda suspecting its the heavy weight oil (15w40) sticking a lifter,
> but I wanted a second opinion.
>
> Any ideas?
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