rear drivers side engine block
The only 'gas float' on a 2000 Astro van is part of the fuel level sending unit, located inside of the fuel tank.
We need to know what sending unit you are asking about, there are several.
At the rear of the engine next to the distributor.
Where is the oil sending unit located on the 2001 Chevy 43. vortec engine?
The 1994 Chevrolet Astro V-6 engine temperature sending unit can be located on the front of the engine. The temperature sending unit will be next to the thermostat housing.
its in the gas tank
That is the temp. Gauge sending unit.
The sending unit is probably bad, not unusual.
where is oil sending unit located on 2003 chey impala 3.8 liter
where are the temperature sending unit located on a 1990 Chevy engine 5.7
The fuel sending unit is the most likely cause. The wiring to the unit can go bad or the unit itself fails.