Question about Subaru Cars & Trucks
First thing to check is the engine coolant level. Make sure the system is full AND BLED; many vehicles will have the heater core trap air when the overall coolant level is low or air gets in the system. If you don't have a bleeder fitting, loosen the top heater hose to check. If you have air getting into the system without an obvious leak, the culprit is usually the water pump shaft seal.
Posted on Nov 18, 2014
Since it is a 87, you probably need to replace the heater core. If the heat comes up with the higher RPM's of the egnine, maybe a water pump.
Posted on Nov 18, 2014
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Posted on Jan 02, 2017
SOURCE: not getting heat in cab
Is the blower running at all? Also, make sure the main air intake vent is free of obstructions.
Also, a vacuum leak could cause the actuator to not function correctly. I'd check into the vacuum lines if all else fails. I've had too many cars here with heat/air problems due to vacuum loss and the actuators not switching correctly.
Posted on Sep 10, 2008
SOURCE: engine overheat
Hi and welcome to FixYa,
Offhand it would appear that the radiator fan is not working. In some versions, either the A/C or the heater must be turned on for the radiator fan to work. In some other incidents, the fan utilizes a clutch. Common design makes use of the inverse property of silica oil to serve as the clutch. Still others have a relay that actually does the switching on of the fan. Of course it would be to your advantage to likewise check the temperature sensor on the radiator.
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Posted on Dec 07, 2008
Hello jamesthomasd, my name is JShreader. Thank you for choosing fixya.com.
The Thermostat Opening Temperature for your 1993 Subaru Legacy Wagon F4-2.2L SOHC is 173°F.
I hope this helps you. If you have any more questions or need any more diagrams, please don't hesitate to ask...Thanks again, JShreader!
Posted on Apr 01, 2009
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