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The gas gauge and thermostat on a 2002 express van are not related. You have two separate problems with the vehicle.
how to change the serpentine belt on 2003 Chevy express 2500
It is located under the drivers seat
2003chev expressvan dash removel
my 2003 express 4.3 v6 takes 30gallons
ON the side of the motor behind the starter.
can soneone help me? i lost all my remote keyless entry for my 2003 Chevy express van and i just got a new repacement. but i don't know how to program it.. can soneone help?
It takes a scanner to read the codes.
To change the thermostat on a 1987 Chevy van, drain the radiator and locate the thermostat under the upper host assembly. Remove the bolts holding the thermostat in and replace it.
You can find a free 2003 Chevrolet Express Van V-6 vacuum diagram at most Chevrolet dealerships. You can also find the diagram at most libraries.
Drain the vans radiator. Remove the top radiator hose and water inlet. take the thermostat out. Put in the new thermostat and re install the inlet and hose. Refill the radiator.
The board is under the cap in the Wiper Motor.