Look closely at the valve cover there should be a cap that seas oil.
SOURCE: type of oil for 94 v6 3.0 toyota 4x4
Your truck is going to take about 5.5 quarts.
Since your motor have some high miles on it, I would use non-synthetic 10w-30 oil that has the high mileage formula.
Synthetic will cause leaks on an old engine because the molecules are smaller and will go through gaskets easily.
High mileage formula will help recondition the gaskets.
SOURCE: toyota previa 1991
the oil should be black,brown or gold(new) with no other colors in it. shouldnt be milky or streaky. the trans fluid should be light red or semi light red.as for the engine being oily its hard to discern unless you rinse it off to metal and drive it. if you mean the oil pan has black oil on it then it may be ok.
SOURCE: i have a 19991 toyota previa. the oil level light
Have u checked the oil's stickiness & color? It could be its telling you to change the engine oil.......sodeep
SOURCE: 1992 Toyota Previa van,Oil dripping onto exhaust manifold, replace head gasket? need a free manual!
The toyota previa uses a formed silicone gasket for the valve cover and the cover is held in place by metric shoulder bolts ( 10mm). The valve gasket leaks because you can't get enough preload on the bolts to re-seat the old gasket when it gets old and shrinks. The shoulder bolts only allow you to tighten the gasket enough to seat the shoulder on the bolt. If you continue to torque down the suspected bolts, you will snap the bolt off ( don't ask me how I know this ). You can either 1.)replace the old gasket with a new one or 2.) remove the existing bolts around the leak area and put in new metric bolts that do not have a shoulder. You may want to put in a small sleeve into the existing bolt hole but shorter than the thickness of the valve cover to account for the smaller diameter bolt. You can now torque down the bolt and get enough preload to seal the valve cover without removing the old gasket. Make sure you use a torque wrench ( in-lbs) or be very careful not to snap these small valve cover bolts.
SOURCE: wats the best motor oil for a 94 toyota camry with
It's depend on the weather condition of your area and is your motor a leaker.
10W40 should be fine,if you are live in above freezing area
10W30 for colder climate
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15w-40 if your motor has a small leak AND drive in above freezing area.
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