It depends on what model van. G10 1/2 ton van had either a 4.3L, a 5.0L, or a 5.7L engine. G20 3/4 ton van had either a 4.3L, a 5.0L, a 5.7L or a 6.2L diesel. a G30 1 ton van had either a 4.3l, a 5.0L, a 5.7L, a 6.2L diesel, or a 7.4L. An Astro Van 2WD had either a 2.5L or a 4.3L. An Astro Van AWD had a 4.3L.
On a 1990 Chevrolet C20 van, the thermostat is located in the engine compartment, specifically at the engine's intake manifold near the water pump. To access it, you typically need to remove the upper radiator hose connected to the thermostat housing. Once the hose is removed, you can unbolt the thermostat housing to replace the thermostat. Always ensure the engine is cool before attempting this to avoid burns.
35
it should be built in to the alternator
At the rear of the transmission.
250 HP @4300 RPM is the power of the Chevrolet van 1978 engine and its maximum speed is 96 mph.
Lower rear of engine
100 HP at 1800 rpm is the power of the Chevrolet van 1972 engine and its maximum speed is 65 mph (105 km/h).
4.3 ltr
The 1990 G20 Chevrolet Van fuel relay switch is located on the front of the fuel tank. The relay switch is next to the fuel pump.
Dex-cool (orange)
That would be the 4L80E transmission.
Chevrolet Van was created in 1964.