a worn seal or damaged gasket
crank seal
Valve covers!!!!!!!!!!!!!!!!!!!! back of the intake and oil sinding unites
The most common cause for occasional, small oil leaks is a worn seal or damaged gasket. The leaks are most visible when parked but occur constantly.
Use flex seal it comes in a aresol can
A loose, improperly aligned or worn-out oil filter are common causes of car oil leaks. A loose or improperly threaded drain plug could also cause an oil leak to occur.
3.3L & 3.5L engines 5W-30 is the preferred oil. If you have no major oil leaks then Synthetic would be the way to go. Hope This Helps.
You have problems. You need to locate the source of the leaks and determine the cause.
I remember the push rod tubes being a source of an oil leak.
The most common place for oil leaks is the sump/crankcase cover gasket. A torn gasket will allow oil to escape. A common cause could be a blown head gasket putting too much pressure in the crankcase.
If there aren't any visible leaks, its leaking internally. The 3.1L V6 engines are known for bad gaskets. Is there oil in the coolant or coolant in the oil? Is there a tan frothy substance on the oil fill cap? If so, your coolant is getting into the oil.
Most 2-stroke engines require 4 OUNCES of oil for every 1 GALLON of fuel. Some engines require more or less so you should check your owners manual, but this is the common ratio.
Whether a 3.1 or 3.4 lt/ most common engines the oil filter is located on the front (facing the rad ) it is to the left beside the oil pressure switch and starter.