Re: Yukon knocking noise?
Mine just does it when the truck is first started cold. It will tick for about fifteen to twenty seconds or so and it quits. It does it longer in the cold months of the winter, but i'd say for only a minute or so and it quits.
Cory
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1999 Chevrolet Silverado 1500 extended cab, short bed. 5.3L automatic.
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