heater core

1990 SUBARU LOYALE
198,000 MILES • 4 CYL • 4WD • MANUAL
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CORKYMCLAREN
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what should be the temp in the heater core in a subaru 1.8 loyale
Nov 22, 2010 at 2:34 PM
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DOCFIXIT
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Input to heater core be same as engine coolant temp. @180 deg
Nov 22, 2010 at 2:38 PM
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MMPRINCE4000
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  • ASE Certified Mechanic
To add, quickly touch the upper and lower heater core hoses with engine at temp (caution HOT), if one is cold and one is hot, then heater core is blocked.
Nov 22, 2010 at 2:42 PM
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