I used to have a 1983 Diesel Toyota pickup that experienced the same
thing. The water pump bearings were shot, the shaft wiggled enough to
cause the fan mounted on the end of it to hit the radiator, but it
never leaked a drop. Very strange...
Bill Bowser
Cincinnati
Jeff Dooley wrote:
Is it possible for the pump bearings to fail and the seals
to still work?
There is a rickety noise and the pulley on the water pump seems to be
wobbling while the engine idles. There is no leaking.
The noise isn't noticeable on the highway but sounds horrible while
idling.
It should be easier to change it since I rerouted the coolant system
and put the T-stat housing on the back of the head.
Anyone have any similar experiences with the noises?
Jeff
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