in the fuel tank.
autozone
Gas engine, on the throttle body. Diesel engine, on the injection pump.
Behind intake manifold from inside the van, in front of distrutor
The ECM on the Vandura 2500 is under the Driver's seat.
TBI heads/ Throttle body injection
On a 1993 GMC Vandura 2500, the idle air control (IAC) valve is typically located on the throttle body, which is attached to the intake manifold. It is usually positioned on the side of the throttle body and has an electrical connector as well as a couple of screws securing it in place. To access it, you may need to remove any air intake components or hoses that are in the way.
The coolant capacity of a 1988 GMC Vandura 2500 is approximately 16 quarts (or about 4 gallons) when including the radiator and the engine. However, this can vary slightly depending on the specific engine configuration and any modifications that may have been made. Always check the owner's manual or a repair guide for the most accurate information for your specific vehicle.
350 5.7l are most common 305 5l is the best engine to be equiped with the g serise vans
There are to sizes 110"and 125".
3254
.all I can say is my '92 2500 vandura has a 350 in and it does the job...don't know if all of 'em are the same size or not dt
4L80E is in most vanduras of one ton 2500 and below is 4L60E