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Porsche
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1988
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944 L4-2479cc 2.5L
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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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Testing and Inspection
Thermostat: Testing and Inspection
CHECKING THERMOSTAT
Place thermostat in a water bath.
Begins to open
= approx. 83° ± 2°C (181° ± 3.5°F)
Fully open
= approx. 90°C (194°F)
Opening travel (distance A) = at least 7 mm