Heating AC and Engine Cooling
Ford Aerostar

What could cause a 1990 Ford Aerostar not to get heat?


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Wiki User
2014-02-14 13:12:19
2014-02-14 13:12:19

Feel of the hoses at the heater core. If one is hot and the other is cold the heater cont balbe is not working. If they are both hot, the mixing door inside is not operating. Make sure you have vacuum going into the cab from the intake.


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The 1990 Ford Aerostar Maintenance Information manual says 21 gallons.

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A Haynes manual from Autozone and the like could have the answers you are looking for.

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In a 1990 Ford Aerostar : You either have the 3.0 liter V6 engine or the 4.0 liter V6 engine from the factory ( each size of engine has 6 engine cylinders )

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The distributor for a 3.0 liter in a 1990 Ford Aerostar rotates CLOCKWISE ( looking from the top ) The spark plug firing order is ( 1 - 4 - 2 - 5 - 3 - 6 ) The engine cylinder locations are numbered : 3 - 6 2 - 5 1 - 4 front of Ford Aerostar

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Ford Aerostar was created in 1986.

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