I want to know what oil does a windstar van of 1996 need 3.0 motor

You have a front and rear main seal, if either of these are leaking the oil will be coming from the center of the engine above the oil pan. There are 2 1 in front and 1 in back of the engine.

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Over haul engine or replace it, to do just a crankshaft kit you will also need to have the piston rods mechine or it will start to knock in a short time again.Good luck and I hope this was very helpful.

Yes it can. It can be replaced from the underside by removing the oil pan

look for front of motor, has belts, directly under it is motor oil pan, directly adjacent to it is tranny pan

check your door switches.

Have you had anyone try to clean and adjust the rear brakes? You will need a shop to scan the van for ABS codes first to cure the ABS light.

Yes you can do it in the car.The only thing that may hinder you is you have to remove the Y-pipe and the nuts on the studs may be extremely rusted,so make sure you soak them really good with PB Blaster or eqivalent before trying to take them loose.

Usually this is caused by an Oil Pump that is Goig Bad. If the oil is not Circulating Through the Motor it will Cause the Loss of power and Could cause a Complete Motor Lockup. I would get this Looked into asap.

#1 plug is the 1st plug on passenger side by firewall

The rear wiper fuse number is 24 in the passenger compartment fuse box.