Engine noise

Asked by Ryheem May 06, 2018 at 09:11 AM about the 2004 Mercury Grand Marquis LS Ultimate

Question type: Maintenance & Repair

My driver side lifters and rockers not
getting any oil just one side anyone kno the
problem

1 Answer
26,290

Jorge answered 6 years ago

There is a flow restriction somewhere maybe the oil galleys are plugged, check the valve cover gasket on the side not getting oil. Also, I have seen this problem caused by broken rocker arms. Have you removed the valve cover on the side not getting oil to see what is actually happening, this would be the first thing to do.

Mark helpful

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