with your vague discription, id say master cylinder is shot.
there is no bleeder valve on a Safari van unless someone put a diesel in it
It's at the top rear of the engine, next to the distributor.
On the brake calipers.
The oil pressure sender or switch is located at the rear of the engine, behind the distributor.
The fuel pump pressure for a 1991 GMC Safari is typically around 9 to 13 psi (pounds per square inch). This pressure is crucial for the proper functioning of the fuel injection system. Always refer to the vehicle's service manual for specific details and confirm with a pressure gauge for accurate readings.
To bleed the brakes on a 2000 GMC Yukon, start with the wheel farthest from the master cylinder, which is typically the passenger side rear. Use a brake bleeder wrench to open the bleeder valve while an assistant presses the brake pedal. Close the valve before they release the pedal, and repeat this process until the fluid runs clear without bubbles. Continue this process in the following order: driver side rear, passenger side front, and finally driver side front.
Probably bottom of radiator or rear lower section--may be hidden by radiator hose
The oil pressure switch is on the top rear of the engine, there is only one.
how tall is the rear window in in a 95 gmc sierra
It is located at the top side rear of the engine block and right next to the distributor.
gmc jimmy rear reservoir location
The 2006 GMC Savana has 34.8 in. of rear leg room.