Suburban 2WD V8-6.0L (2007)
Thermostat: Specifications
Use a tempil stick in order to find the opening and the closing temperatures of the coolant thermostat.
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J 24731-188 tempil stick melts at 87° C (188° F). The thermostat should begin to open.
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J 24731-206 tempil stick melts at 97° C (206° F). The thermostat should be fully open.
Replace the coolant thermostat if it does not operate properly between this temperature range.
