Colorado 2WD V8-5.3L (2009)
Thermostat: Specifications
Use a tempilstick in order to find the opening and the closing temperatures of the coolant thermostat.
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J 24731-188 tempilstick melts at 87°C (188°F). The thermostat should begin to open at 90°C (194°F).
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J 24731-206 tempilstick melts at 97°C (206°F). The thermostat should be fully open at 107°C (225°F).
