1996 Buick Riviera Replaced Fuel Pump 3 Times 2 Months Causing Pumps Fail

1996 BUICK RIVIERA
140,000 MILES
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have replaced fuel pump 3 times in 2 months, what is causing pumps to fail?
Mar 13, 2013 at 1:29 PM
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CARADIODOC
  • ASE Certified Mechanic
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  • ASE Certified Mechanic
How are they failing? If they test good electrically but the motors don't run, the impellers are likely locking up from microscopic debris in the tank. The fix is to have the tank steam-cleaned at a radiator repair shop, or go through a half dozen pumps until all that debris is collected.
Mar 13, 2013 at 7:45 PM
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