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
         - The Ford carburetor with the changeable section of the diffuser
   Removal and installation of the carburetor
   Dismantling, check and assembly of the carburetor
   Adjustment of speed of idling of the engine and contents WITH
   Adjustment of the starting arrangement
   Adjustment of a cable of a butterfly valve
   Removal and installation of a needle shaft
   Diaphragm of the vacuum regulator
         + Weber 32/36 DGAV carburetor
      + 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
      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

- Removal and installation of a needle shaft


Needle valve of a float


Violation of operability of the needle valve usually happens at its pollution owing to use of fuel to foreign particulates or owing to mechanical wear.


1. To disconnect the accumulator and to remove the air filter.
2. To unscrew 7 bolts of fastening of a cover of the carburetor иснять it.
3. To squeeze out a float axis from springs of fastening and to lower a float in the carburetor case.
4. To take out the needle valve using passatizh with thin sponges or tweezers.


1. Before installation to check a somtoyaniye of a rubber tip of the needle valve and to clear a valve saddle.
2. To establish, being careful, the needle valve of a float.
3. To connect the valve to an axis in fastening springs.
4. To establish new laying of the carburetor, a cover of the carburetor and to evenly tighten a carburetor cover.
5. To install the air filter and to connect the accumulator.
6. To check turns of idling and content of carbon monoxide (SO).