Recent content by cally1216

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    2005 GMC Yukon XL Denali oil pump replacement, issues with high pitch noise.

    I just replaced the oil pump in my Yukon and fired it up and oil pressure was good, after about the third time firing it up there was a high pitch squeal from the belt area. Anyone have any ideas why this would happen? I didn't have any noise prior to installing the oil pump, I also replaced belts.
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