Question about 1993 Lincoln Mark VIII

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Oil linking by oil filter

Only links when cold, leaves big puddle of oil when started in the morning. is there a pressure releave valve by the oil filter??

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  • ronworks Nov 21, 2013

    It is probably the Oil Filter Adapter Gasket. This is a special composit gasket, that goes between the oil filter housing, and the engine block. $ 8.00, at Auto Zone. $ 28.00, at the dealers. Pain to replace. Ford wanted $ 550.00 to do it. My mechanic wanted $ 200.00. You supply the gasket, new anti freeze, oil and oil filter. Might as well, replace the oil sending unit ( $ 8.00 ), at the same time. This gasket fails on a lot of the 4.6 L engines. Find a mechanic, who has experence, doing it. Go to AutoZone, or parts house, and take a look at the odd gasket. Typical leaks on cold start, then warms up and seals.

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The pressure relief valve is built into the oil pump. What you must do is have the area around the leak cleaned of all oil and dirt, then get under the car and try to see when the oil leaks where it seems to come from, I think the sending unit is around there for the oil pressure, it may be the problem, but do the cleaning 1st.

Posted on Feb 07, 2012

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1 Answer

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It may just need an oil flush and filter change, yes.
It could also be the oil pressure relief valve that is sticking.It may even be the oil pressure transmitter switch that is faulty (not a big job to replace..).
However, try a filter and oil change first. Before the old oil is drained from the engine, try adding an oil sludge clearance additive. Link below will show you what it looks like.
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If the oil pressure relieve valve is sticking, the additive-flush may unstick it, before you fill with fresh oil. Use a quality oil - not a cheap brand

To put things into context, as oil breaks down with miles and age it becomes less 'pumpable' around the engine. If there was something wrong with your engine in the crankcase area you would probably begin to hear knocks and rumbles as the bearings break down. You haven't mentioned any noises.. I don't think you have much to worry about.

The first thing you do is flush the oil system using an additive and then refill with fresh oil and a filter. You can also add an 'oil booster' additive if you wish:
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