[V8] Rattling 3.6

[Coleman, David]

I believe this is in reference to:

friction pad  077 109 495

-DaveC. 

> -----Original Message-----
> From: v8-bounces at audifans.com 
> [mailto:v8-bounces at audifans.com] On Behalf Of Ingo Rautenberg
> Sent: Tuesday, January 04, 2005 4:05 PM
> To: v8 at audifans.com
> Subject: Re: [V8] Rattling 3.6
> 
> Alright, Guys.  I'll bite.  What "block" are you referring to? PN#?
> 
> -Ingo
> Two V8's - no rattling
> 
> ----- Original Message -----
> From: "Buchholz, Steven" <Steven.Buchholz at kla-tencor.com>
> To: <v8 at audifans.com>
> Sent: Tuesday, January 04, 2005 3:42 PM
> Subject: RE: [V8] Rattling 3.6
> 
> 
> ... if you suspect any issues with the cam belt tensioning mechanism I
> would say that it would be folly to let something sit for 30 thousand
> miles ... it is not that difficult a task to remove the cover for the
> "rive gauche" (left cylinder bank) and check the length of 
> the tensioner
> and have a general look in there.  I got to swap an engine in 
> #2 due to
> a timing belt failure ... still don't know why, the engine 
> had around 6K
> miles since a TB R&R for which I have a receipt from the PO) ... and I
> consider myself to have been extremely lucky that I did not have a
> similar issue on #344 ... the tensioning mechanism broke due to that
> "block" wearing out ... if I had an automatic engine (without the
> locating pins near the cam pulley) I'm sure the belt would have jumped
> one or more teeth by the time I knew there was a problem ...
> 
> ... of course if it is simply a bearing on a pulley it might be
> something you can put up with for 30K ... but only if you knew that's
> what it was ...
> 
> Steve B
> San Jose, CA (USA)
> >
> > I've also heard there is a "block" that can get worn. It is
> > recommended with
> > the belt swap, and has been found to cause a similar sound.
> > I'd probably
> > just wait another 30K, and replace everything with the next 
> belt job.
> >
> > >I had similar sounds/symptoms and it ended up being the oil
> > pump drive
> > >bearing.
> > > You have to pull the timing belt to replace it.
> > > This is the same bearing as the viscous fan bearing that
> > mounts to the
> > > right
> > > timing belt cover.
> > >
> > > Dave
> >
> >
> >   Now on to an annoying rattle.  When the engine is cold it
> > >> idles
> > >> as quiet as can be.  When it is fully warmed up (and idle
> > oil pressure
> > >> drops
> > >> to about 2 bar) it sounds like a diesel when you open the hood.
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