2004 Chevrolet Suburban Just Rebuilt Engine Cranked Car Oil Pump Wasn T Pumping

2004 CHEVROLET SUBURBAN
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I just rebuilt the engine and when i cranked the car the oil pump wasn't pumping oil. Have i ruined this rebuilt engine now and do i have any alternatives besides redoing everything i just rebuilt? It sounds terrible when i crank it (lifters, etc)

Thanks
Nov 19, 2012 at 1:20 PM
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JACOBANDNICKOLAS
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You need to get oil pressure before you start the engine or it will sound bad. Once you get pressure, it may be fine. NOTE:Do not continue to run the engine without oil pressure.
Nov 19, 2012 at 1:24 PM
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