Affected Component: ENGINE AND ENGINE COOLING

Date Published
SEP 11, 2019
NHTSA TSB #
10165886
TSB Document
Summary
This Preliminary information communicates A vehicle may have a concern of no oil pressure and/or P0521 set. the releif valve in the pump is sticking or the number 1 main bearing is damaged. Drop oil pan and confirm #1 main is spun or not.  If bearings are OK Then change oil pump.