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2014 5.3 oil pump failure


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Posted

I have a 2014 Sierra with 5.3 lt around 102k, never had an issue until engine light came on, took it right to the dealer he said it was ok to bring it back after lunch. 5 days later they replaced an oil valve part near the timing chain. Drove it 10 k lost oil pressure and info centre said shut off engine. Dealer said today no pressure at the pump or gauge and pump is gone. Seems strange after 100k, is there a problem with pumps? I just had the oil changed by same dealer, any input is appreciated 

 

 

  • 1 month later...
Posted

After $1300 in warranty work picked the truck up 10 km later no oil pressure. Pump blow up. Now at 7k with new Pump, no rattle or noise and lots of pressure 

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