Ford Sierra

1982-1993 of release

Repair and operation of the car

Ford Siyerra
+ 1.2. Identification of the car
+ 2. Maintenance
+ 3. General data
- 4. Engines
   - 4.1. Petrol engines
      + 4.1.1. Technical characteristics
      4.1.2. Adjustment of gaps of valves
      + 4.1.3. System of ignition
      + 4.1.4. Fuel system
      + 4.1.5. The repair which is not demanding removal of the engine
      4.1.6. Removal and installation of the engine
      4.1.7. Dismantling of the engine
      4.1.8. Identification of the interacting parts
      4.1.9. Assembly of the engine
      4.1.10. Replacement of pistons
      4.1.11. Removal and installation of an intermediate shaft
      4.1.12. System of gas distribution
      4.1.13. Lubrication system
      - 4.1.14. Cooling system Discharge of liquid and filling of the cooling system Removal and installation of a radiator Removal and installation of the fan Pump of okhladzhayushchy liquid Replacement of the thermostat
      4.1.15. Suspension bracket of the power unit
      4.1.16. System of production of the fulfilled gases
   + 4.2. Diesel engine
+ 5. Coupling
+ 6. Transmissions
+ 7. Driveshaft and back bridge
+ 8. Steering
+ 9. Suspension brackets
+ 10. Brake system
+ 11. Body
+ 12. Electric equipment

- Replacement of the thermostat



1 – thermostat case,

2 – sealing ring,

3 – thermostat,

4 – spring clip


1. To pick up the screw-driver a spring clip of the thermostat and to take the thermostat together with a sealing ring.
2. To disconnect a weight wire from the accumulator.
3. To merge the cooling system.
4. To disconnect elastic pipelines of the cooling system from the thermostat case.
5. To remove the thermostat case, having unscrewed two bolts of its fastening.


1. To clear the surfaces of connection of the case of the thermostat and a head of the block of cylinders of the engine.
2. To insert the thermostat into the case, a new sealing ring and a spring clip.
3. To install the thermostat case together with new laying in a head of the block of cylinders of the engine, tightening fastening bolts the corresponding moment.
4. To connect elastic pipelines of the cooling system to the thermostat case.
5. To fill system with cooling liquid.
6. To connect a weight wire to the accumulator.
7. To start and warm up the engine, and also to check tightness of connections of the cooling system.
8. After cooling of the engine to check and in case of need to add the level of cooling liquid in a broad tank.