Fixing the Dreaded GM “Pump Rub”
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Fixing the Dreaded GM “Pump Rub”
Owners of four-wheel-drive General Motors pickups from 1997 to 2010 should all be aware of the dreaded “pump rub” issue. It doesn’t matter if you drive a Silverado 1500, Sierra 3500, or even an Avalanche, if your truck has a transfer case, this story is for you. In short, the pump rub issue refers to
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