Ford Sierra

1982-1993 of release

Repair and car operation

Ford Siyerra
+ 1.2. Car identification
+ 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. Ignition system
      + 4.1.4. Fuel system
      + 4.1.5. The repair which is not demanding removal of the engine
      4.1.6. Removal and engine installation
      4.1.7. Engine dismantling
      4.1.8. Identification of cooperating parts
      4.1.9. Engine assembly
      4.1.10. Replacement of pistons
      4.1.11. Removal and installation of an intermediate shaft
      4.1.12. Gazoraspredeleniye system
      4.1.13. Greasing system
      - 4.1.14. Cooling system Plums of liquid and filling of system of cooling Removal and radiator installation Removal and fan installation Pump of okhladzhayushchy liquid Thermostat replacement
      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 Thermostat replacement



1–case of the thermostat,

2–sealing ring,


4–spring clip


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


1. To clear 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 establish the thermostat case together with new laying in a head of the block of cylinders of the engine, tightening bolts of fastening the corresponding moment.
4. To connect to the thermostat case elastic pipelines of system of cooling.
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 system of cooling.
8. After cooling of the engine to check and in case of need to add level of cooling liquid in a broad tank.