Pump noise??

By LILGUY
August 9, 2003 in 1999-2013 Silverado 1500 & Sierra 1500

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LILGUY

Posted August 9, 2003

I have 2 noises from 03 Yuk XL 8.1. The first sounds like a long slow goose honk after startup after sitting a day or longer.Also off power slowing down you hear a whine noise most noticeable 1500rpms to idle, goes away as soon as you accelerate, anyone else noticed these .Thanks.

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