Oil pump whine
08-13-2007, 11:27 AM
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Oil pump whine Anyone have any experience with really heavy oil pump whine on start up in an LS2? I have a 2006 GTO and I get a really high pitched whine from my timing chain area on start up and after revving and resuming idle. I'm looking to get this warrantied but am looking to confirm my diagnosis of a bad oil pressure relief valve prior to taking her in.
