[V8] squealing serp belt oddity

[Ron Wainwright]

So if he used the 3.6 pully from you'r old 3.6 motor
than you need the Manual belt.
Conti part#, 6K2433.

 Ron

--- "Coleman, David" <David.Coleman at blackrock.com>
wrote:

> Alignment double and triple checked.   And every
> pulley spins freely.
> 
> Interesting note on the belt size... I believe I
> have the right size, as
> the first one I got was too big.  I thought that was
> due to the crank
> pulley size difference between 3.6 and 4.2.  
> Perhaps there's a smaller
> one still, the one for the 5-speed?  Does that mean
> there are three
> different belt applications for the V8?
> 
> Regarding the above, by the way, I believe the 3.6
> crank pulley was used
> when Keith swapped the 4.2 motor...
> 
> 
> 
> 
> 
> 
> 
> > -----Original Message-----
> > From: Ingo Rautenberg
> [mailto:ingo.rautenberg at gmail.com]
> > Sent: Monday, September 24, 2007 2:13 PM
> > To: Coleman, David
> > Cc: v8 at audifans.com
> > Subject: Re: [V8] squealing serp belt oddity
> > 
> > IMO there is obviously something that either isn't
> aligned properly
> > (doubt it) or one of your accessories is putting a
> severe drag
> > relative to everything else.  A/C clutch going/
> compressor seizing?
> > 
> > 
> > PS:  You DO have the correct size belt, right? 
> There are two sizes -
> > I believe the automatic is bigger and the 5-speed
> is shorter (forget
> > why) -- at least on the 5-speed.
> > 
> > Ingo
> > 
> > On Sep 24, 2007, at 12:51 PM, Coleman, David
> wrote:
> > 
> > > SO - My '91 5-speed with 4.2 has been enduring a
> squealing
> serpentine
> > > belt for several months.  In a nutshell:
> > >
> > > *       It started squealing only at idle, and
> would go away with
> > > higher
> > > RPMs
> > >
> > > *       Broke under load, nursed back home,
> replaced with new, still
> > > squealed
> > >
> > > *       Replaced the coil spring behind t-belt
> cover with known good
> > > used; squealing stopped for a month or so
> > >
> > > *       Started squealing again, this time more
> apparent with higher
> > > RPMs; nearly silent at idle.
> > >
> > > *       Replaced shock absorber / tensioner with
> factory new;
> squeals
> > > like a mofo still.
> > >
> > >
> > >
> > > The shock tensioner is fully compressed (i.e.
> can't make the belt
> any
> > > tighter), yet under load, I can watch from
> underneath the belt walk
> > > back
> > > and forth across the lower idler pulley - like
> the belt is just
> still
> > > too loose.
> > >
> > >
> > >
> > > Does anyone know if any of the pulleys (aside
> from the harmonic
> > > balancer
> > > / crank) are different sizes from 3.6 to 4.2?  
> The 4.2 belt is way
> > > too
> > > big; the 3.6 belt is the one in question.
> > >
> > >
> > >
> > > If no one knows about the pulley sizes, perhaps
> the Gates number
> > > for the
> > > next smaller size???
> > >
> > >
> > >
> > > Any ideas welcome!
> > >
> > >
> > >
> > > -DaveC.  (nice car except it's embarrassing to
> drive)
> > >
> > >
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