Recognition feature |
Cause/Effects |
| A. The engine operating temperature is reached slowly, the heating effect is insufficient. | Thermostat is jammed – supply to radiator is constantly open. Engine does not heat up properly. Short-term damage is not possible: however, clean or replace the thermostat urgently. |
| B. Temperature indicator light stays on continuously. Coolant level OK – radiator or upper radiator hose remains cold. | Thermostat is jammed. Do not proceed any further under any circumstances, otherwise serious engine defects will occur due to overheating. Replace the thermostat. |
The original article is available on the website fordbook.ru