Remove the fan belt and then start the engine. If the noise goes away
it is either the generator or water pump. If it is still there it
probably is a loose crank pulley. The key ways on the pulley commonly
come loose and the crank pulley will rock back and forth at idle.
Usually it sounds like a rod noise.
David Nock
British Car Specialists
Stockton Ca 95205
209-948-8767
www.britishcarspecialists.com
.
.
On Aug 27, 2010, at 7:58 AM, Dennis Gavin wrote:
> I have a 63 BJ7. Once the engine reaches operating temperature, and
> not
> before, a squeaking sound is coming from the front of the engine.
> Squeak,
> squeak, squeak that seems to coincide with engine rotation. First I
> tried
> the messy belt dressing which didn't work. Then I tried a different
> fan belt
> with the same result. I'm wondering if it could be the bottom
> pulley/damper
> or the water pump? The pump has no discernable bearing play when
> wiggling
> the fan. Not sure where to go from here. Any suggestions would be
> welcome
> and thank you in advance.
>
>
>
> Dennis Gavin
>
> Sudbury, MA.
>
> 63 BJ7
>
> 63 E Type
>
> 48 Willys Jeepster
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