FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM
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Car repair manuals for everyone.
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Kia
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2008
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Optima L4-2.4L
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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
THERMOSTAT
Valve opening temperature
82° C (179.6° F)
Full opening temperature
95° C (203° F)
Valve lift
8 mm (0.3 in.) or more at 95° C (203° F)