Sprinkle some water on the belt and see if it makes the squeal go away for
a few seconds. If so, I suggest simply replacing the belt.
In the past, I have tried "belt dressing" spray, but its effect was temporary.
Also, I once put on a new belt and it squealed over 4000 RPM no matter how tight
it was. I chucked it and got a different brand and everything was OK.
Out of kindness to my alternator and water pump I keep my belt
rather loose, much looser than newer car manuals suggest.
If I try to turn the alternator pulley fairly hard by hand, I can,
with the belt slipping. (Do not do this test with the engine running!)
But I never get any squealing.
Doug Braun
'72 Spit
At 11:27 PM 5/21/02, Fred Griffiths wrote:
>>
>> Something in my GT6 engine is whistling (or squealing) at a
>> particular narrow range of rpms, from maybe 2500 to 3000.
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