[V8] squealing serp belt oddity

[Ingo Rautenberg]

 From what I'm able to tell:

PT Manual: 21.36 mm x 2433 mm
PT Auto:     21.36 mm x 2460 mm
ABH:          21.36 mm x 2480 mm

Ingo

On Sep 24, 2007, at 4:09 PM, Ron Wainwright wrote:

> Not sure. They looked the same when I was doing
> George's swap. I think I used the 4.2 pully in any
> event.
>
>  But find out which pully you have Dave.
> & not sure if the 3.6 too 4.2 Auto belts are the
> same...but I do know the Manual 3.6 belt is shorter.
>
>  Ron
>
> --- "Coleman, David" <David.Coleman at blackrock.com>
> wrote:
>
>> Is there an easy way to tell the pulleys (3.6, 4.2,
>> manual, automatic)
>> apart?
>>
>> I still have a pulley on my old motor; I'll have to
>> run out to see if
>> it's still torqued down.
>>
>>
>>
>>
>>
>>
>>> -----Original Message-----
>>> From: Ron Wainwright [mailto:ron_01056 at yahoo.com]
>>> Sent: Monday, September 24, 2007 4:00 PM
>>> To: Coleman, David
>>> Cc: v8 at audifans.com
>>> Subject: Re: [V8] squealing serp belt oddity
>>>
>>> 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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> === message truncated ===
>
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