How to remove coolant from a Fiero air conditioner?
Remove the thermoststat cap and top the coolant off. Loosen the radiator cap and wiggle it until coolant begins to come out, retighten the cap, top off the coolant in the thermostat opening and re-install the thermostat cap. Repeat steps 4 & 5 until you are satisfied that _all_ of the air is out of the system.
Where is the coolant sensor on a Fiero?
It has a one wire connector. Temperature Gauge Sending Unit Located on the top corner of the rear cylinder head. This sending unit screws into the corner of cylinder head, near the ignition coil and the valve cover. Coolant Temperature Sensor (for the ECM) Located below the thermostat housing.
How many switches are in the Fiero cooling system?
The Almost Complete Explaination of Fiero Cooling Sensors, Switches, and Other Mysterious Things There appears that an explaination of the Fiero cooling system electricals is in order; lets look at the engine first. There are four (4) sensor/switches on the Fiero, 4 cyl or 6.
Is the coolant fan on Fieros controlled by ECM?
Info – 87-88 L4 models The coolant fanof 87 – 88 4-cyl. Fieros IS controlled by the ECM, and at least according to the Helms manual, its operation is speed dependent. From: Jukka Alve
Remove the thermoststat cap and top the coolant off. Loosen the radiator cap and wiggle it until coolant begins to come out, retighten the cap, top off the coolant in the thermostat opening and re-install the thermostat cap. Repeat steps 4 & 5 until you are satisfied that _all_ of the air is out of the system.
The Almost Complete Explaination of Fiero Cooling Sensors, Switches, and Other Mysterious Things There appears that an explaination of the Fiero cooling system electricals is in order; lets look at the engine first. There are four (4) sensor/switches on the Fiero, 4 cyl or 6.
Info – 87-88 L4 models The coolant fanof 87 – 88 4-cyl. Fieros IS controlled by the ECM, and at least according to the Helms manual, its operation is speed dependent. From: Jukka Alve
Where is the drain plug on a Fiero radiator?
There is a drain plug at the bottom of the radiator, under the coolant fan, on the passenger side. You won’t be able to see it from above, but you should be able to reach it. It is just a thumb-screw plug that you should be able to remove with your fingers.