[V8] squealing serp belt oddity

[Ron Wainwright]

Very true Ingo...but Dave's got a 4.2..so the belt
would be a 4.2 belt.
The 3.6 Manuals, & Auto's have different belts.

 But I used a 3.6 Manual belt on George's 3.6 too 4.2
swap & he isn't haveing any problems with belt squeal.

 Ron

--- Ingo Rautenberg <ingo.rautenberg at gmail.com> wrote:

> 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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