Corvette V8-6.0L VIN U (2005)
Thermostat: Specifications
Temperature sticks can be used to determine a thermostat's operating range, by rubbing 87°C (188°F) and 97°C (206°F) sticks on the thermostat
housing.
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Use a tempilstick in order to find the opening and the closing temperatures of the coolant thermostat.
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J24731-188 tempilstick melts at 87°C (188°F). The thermostat should begin to open.
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J24731-206 tempilstick melts at 7°C (206°F). The thermostat should be fully open.