It is under the floor of the cargo area. If you put your head under the rear bumper and look up/forward you should be able to see it. If you open the tailgate, there should be a flap in the carpeting which can be pulled up to reveal a thing which you can turn counterclockwise with the lug wrench or similar to tool to lower the spare tire down to the ground.
Inside of the gas tank.
The 1990 dodge caravan has a transverse mounted engine therefore it doesn't have a fan belt!
It does not have one.
no only up to a 1990 model
Inside the trans pan.
Parts for a 1990 Dodge Caravan will usually be second hand, and can be purchased from a breaker or salvage yard. There are also warehouses who specialize in providing parts for caravans and vehicles.
No , according to the Gates website ( they make timing belts etcetera ) The 3.0 liter V6 engine in a 1990 Dodge Caravan is NOT AN INTERFERENCE ENGINE
Should be diipstick tube.
The grinding noise in the front of a 1990 Dodge Caravan could be a cv joint. If it is, it probably only grinds when you take a sharp turn. There is one located on each side.
Not likely. The transmissions are different. If you own a 1990, you can use parts from 88 to (I think I remember this correctly) 92.
It is part of the alternator
The heater would not be working on a 1990 Dodge Grand Caravan if the heater core is damaged or blocked. Hot coolant from the engine must flow through the core to allow hot air to pass into the cabin.