Operation CHARM
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Subaru
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1990
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XT-6 2WD L6-2.7L SOHC
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Repair and Diagnosis
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Engine, Cooling and Exhaust
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Cooling System
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Thermostat
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Specifications
Thermostat: Specifications
Opening Temperature
Main Valve
198 Degrees Fahrenheit (F)
Sub-valve
190 Degrees Fahrenheit (F)