loud rattle from engine.thought it was bad water pump. on 1993 Buick LeSabre

I removed the belt and still have noise.sounds loudest from rear valve cover with stethescope.

by in Aurora, MN on December 14, 2011
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1 answer
ANSWER by , December 14, 2011
you need a shop to track it down. it may be internal and require dis assembly of the motor to find the failure. Roy