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vaccum

  1. 06-07 LBZ & LLY Duramax Powertrain
    I just got this 2003 4x4 extended cab chevy silverado with the 6.6 ltr diesel, and I noticed that I dont have any vaccum. On the driver side under hood by firewall there is what looks to be a electric vaccum pump but it is not plugged in and I cant find the plug. This was a Border patrol truck...
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