The fuel pump is in the fuel tank.
The coolant fan switch is located close to the thermostat.
the ecm on this van is on the passenger side behind the plastic kick plate
According to the HAYNES REPAIR MANUAL the 1990 Astro Van has a 17 gallon tank.
in the tank
Yes it did. I own (still) a 1990 Astro camper-conversion van with crank up windows.
1990 Chevrolet Lumina temperature sender is located on the back side of the thermostat housing. The sender has a wire that goes to the temperature gauge.
Yes. The lug pattern is the same on all Astro vans up to 2001. 2002 they went to a six lug pattern.
Drain the 90 Astros radiator into a pan. Dispose of the coolant properly as it is toxic to animals. Remove the top radiator hose and water inlet. Remove the thermostat from under the inlet and replace. reverse the procedures to finish the installation.
I own a 1990 Chevy Astro Van and the turn signal flasher is located underneath the steering wheel below the lever for the engine hood. An easy way to find it is to signal left and listen for the flasher unit clicking.
The thermostat housing is located at the engine end of the lower radiator hose.
Follow the top radiator hose as it connects to the front of the engine. The thermostat is located in that housing.
inside the radiator hose
1990 Camry 4 cylinder thermostat is located off the bottom intake hose connected to the engine block.
Where is the Water Pump located and how do you replace it on a 1990 Chevy Corsica?
From the 1985-1990 model year the 2.5 liter Iron Duke 4 Cylinder was used in the Astro as the base model. These were the same engines used from 1985-1993 in the Chevy S10.
Follow the bottom radiator hose to where it meets the block.There is the thermostat housing
bottom radiator hose
1990-2005 Chevy Astro weighs 3897lbs The previous post above is from Adeyfk. I own a 1990 Chevy Astro AWD Van. AWD Vans weigh more. I called the Chevy Dealership and gave them my vin # and was told the gross weight was very close to 6,000 lbs. and one other web site said the same. Not all vans weigh the same. Some of the older models had extended back ends and/or heavier AWD frames.
The Chevy Astro was a van produced in 1990-2005. The it is rated poor in fuel economy averaging around 15 miles per gallon. You can pick up a used one for under $2000.
try a hoter thermostat
YES. The spring set's down into the intake.
If you follow the lower radiator hose to the engine block, it will lead you towards the thermostat housing (inside there is the thermostat),