Warbling water pump??

[auditude at cox.net]

I suspected the shaft was rubbing the timing belt cover, which it was in one of my Type 85's, but I don't know if that was the cause of the noise either.

Something to check, I suppose.

Ken

Quoting Bill Phelps <wphelps at rizzo.com>:

> I seem to recall this issue in posts from a few years back.. I get a
> warbling sound at just above idle from the front of the motor and I'm
> guessing its the water pump on my 87 4KQ. Archive posts point either to a
> poor quality pump or too much tension on the timing belt. It has generally
> made this noise since I aquired the car with 108K on the odo. Timing belt,
> water pump and idler pulley were replaced at 120K mi, still makes the same
> noise now at 130K mi.
>
> Has found either the pump or t-belt tension to the cause of the problem?
> I've checked the other belts and I'm pretty sure they are not the cause of
> the problem.
>
> Thanks in advance
>