Weird Popping noise at low speeds

GMC SIERRA
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GEHRINGT
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I have a 1999 GMC Sierra 4x4 with an automatic transmission and it has started making this popping sound at low speeds it if very pronounced and I have look and cannot figure out what it is it seems to be coming from the front left
Jul 13, 2007 at 2:46 PM
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RCANNING
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[quote:42ce37f580="gehringt"]I have a 1999 GMC Sierra 4x4 with an automatic transmission and it has started making this popping sound at low speeds it if very pronounced and I have look and cannot figure out what it is it seems to be coming from the front left[/quote:42ce37f580]

Hi, I also have a strange popping noise happening in my 1999 GMC Sierra 4x4 too. I mostly notice this when in idle. Did you ever get this looked into?
Sep 20, 2007 at 1:19 PM