Fuel pressure gauge hokked to port, gauge has a relief valve and hose to dump to a container.
Can try pulling fuse for fuel pum, turn engine over for a period long enough to relieve most but not all the pressure.
I have a 3500 and mind is under the driver seat
On the back of the motor next to the transmition.
The ECM on the Vandura 2500 is under the Driver's seat.
Water Pump? Start by inspecting your hoses first it may just be a clamp.
fuel filter has to be changed every 8000 miles or sooner if it plugsup sooner
Do a vin number check and it will tell you i think its 6001-7000LBS hydrulic beaking system
Could be,low on coolant, faulty thermostat, plugged heater core, temp blend door malfunction,
There are to sizes 110"and 125".
.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
My 93' vandura has a 5.7 liter 350cubic inch engine.
4L80E is in most vanduras of one ton 2500 and below is 4L60E
I bought a set of GMC shop manuals off ebay for $40. It comes with the fuel system book, wiring diagrams, light duty trucks and vandura and rally book. They have saved me on a lot of labor $$$ having them.
Standard is 22 gallons.
in the fuel tank.
Answer to: Where to find the fuel filter for a 1994 GMC Vandura 2500? Try looking on the under carriage just below the driver's door. There you should find a 3" cannister on the fuel line.
5 quarts or until full on dipstick
The vent is blocked.
I just drove from Ohio to Arizona with a 1989 GMC 2500 and averaged 15.5 mpg.
its in the gas tank have 2 drop tank 2 get 2 it::(