Step | Action | Value(s) | Yes | No |
---|---|---|---|---|
Important: The J 24731 tempil stick is a pencil-like device that has a wax material containing chemicals which melt at a given temperature. Use the tempil sticks to determine a thermostats operating temperature by rubbing 87°C (188°F) and 97°C (206°F) sticks on the coolant outlet. The marks made by the sticks should melt when coolant temperatures reach 87°C (188°F) and 97°C (206°F), respectively. These temperatures are the normal operating range of the thermostat. | ||||
1 |
Is there coolant flow before the mark melts? | -- | ||
2 | The problem is caused from something other than the thermostat. Refer to Engine Fails To Reach Normal Operating Temperature . Does the engine warm up properly? | -- | System OK | -- |
3 |
Does the engine fail to reach normal operating temperature? | -- | -- | System OK |
Step | Action | Value(s) | Yes | No |
---|---|---|---|---|
Important: The J 24731 tempil stick is a pencil-like device that has a wax material containing certain chemicals which melt at a given temperature. Use the temperature sticks to determine a thermostats operating temperature by rubbing 87°C (188°F) and 97°C (206°F) sticks on the coolant outlet. The marks made by the sticks should melt when coolant temperatures reach 87°C (188°F) and 97°C (206°F), respectively. These temperatures are the normal operating range of the thermostat. | ||||
1 |
Is there coolant flow before the mark melts? | -- | ||
2 | The problem is caused from something other than the thermostat. Refer to Engine Overheating . Does the engine still overheat? | -- | -- | System OK |
3 |
Is the engine still overheating? | -- | -- | System OK |