EBS00132 CHECKING THE THERMOSTAT 1. Check: thermostat 1 Does not open at 50 ~ 54 °C (122 ~ 129.2 °F) Replace. MMM M M MMM M M MMM M M MMM M M MMM M M MMM M MMM a. Suspend the thermostat in a container filled with water. b. Slowly heat the water. c. Place a thermometer in the water. d. While stirring the water, observe the ther- mostat and thermometer’s indicated tem- perature. LLL L L LLL L L LLL L L LLL L L LLL L L LLL L LLL 1 Thermometer 2 Water 3 Thermostat 4 Container И Fully closed Й Fully open NOTE: _ If the accuracy of the thermostat is in doubt, replace it. A faulty thermostat could cause seri- ous overheating or overcooling. 2. Check:
thermostat housing cover thermostat housing (cylinder head) Cracks/damage Replace. 3 EBS00133 INSTALLING THE THERMOSTAT 1. Install: thermostat 1 O-ring 2 thermostat cover 3 2 New a New 1 NOTE: _ Install the thermostat with its breather hole a facing up. LS 2. Fill: cooling system (with the specified amount of the recom- mended coolant) Refer to “CHANGING THE COOLANT” in chapter 3. 3. Check: cooling system Leak Repair or replace any faulty part. 5 - 6 THERMOSTAT COOL COOL