Thermostat: Specifications

Use a tempilstick in order to find the opening and the closing temperatures of the coolant thermostat.

J 24731-188 tempilstick melts at 87°C (188°F). The thermostat should begin to open.

J 24731-206 tempilstick 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. Refer to Thermostat Replacement (RPO L26) Thermostat Replacement (RPO LD8).