Question about 1998 Buick Park Avenue

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Bottem pulley on engine block is making noise, I think the bearings are going out. What is this pulley attached to and can it be lubricated?

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The bottom pulley is the crank pulley. It is attached to the crank shaft. It has two parts, an inner and an outer that are joined together with a rubber isolator. Over time the rubber breaks down and the inner part part of the puller will start to rotate independently from the outer part of the pulley creating a unigue clacking noise.

To solve this you'll need a standard crank pulley puller set. You'll remove the crank bolt and then use the pulley puller to pull the crank pulley off of the crank shaft. The install the new pulley making sure to torque the crank pulley bolt to the proper spec.

Posted on Nov 11, 2010

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