Join Date: Mar 2001
Location: Altamonte Springs FL
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Re: Oil Leak in a Suzuki x-90?
I'd highly sugguest replacing the oil pressure switch and go from there.
The timing cover does not hold oil, it's a dust/clean seal.
The head gasket should be irrilivent to oil leakage (are you thinking of valve cover leaks?).
How many miles are on the motor?
An oil pan, oil pump (minas well change the pump while you're in there especially if you at 100k?), front main, and maybe the cam seals should not be too hard. Granted, I've done LOTS of seals, belts, and I work at a car dealership.....
Maybe an oem PCV valve? A properly working PCV/Crankcase ventilation system pulls a slight vacuum in the engine's internals. If oil leaks magically appear after installing a PCV valve and doing an oil change, I'd also look at replacing that valve (I don't think it phisically can be installed backwards..).
My 2 cents:
Change oil pressure switch (Dealer/local auto place says it leaks?)
Replace PCV valve with oem unit. Confirm with parts/techs/service on the orientation for
installing (have parts print out a diagram).
Go from there.