I have a 2005 chevy Tahoe LS1 327 I replaced the oil pump the motor lost oil pressure and the lifters are rattling after replaceing oil pump it has the same problem any suggestions. ???
2 Answers
Are you sure you got the oil pump o'ring in the correct spot and seated? Was the oil pickup screen plugged with sludge? How many miles on this Tahoe?
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Every thing bob said,and to add,when pump went out may have damage the lifters and guides from having no oil on them.