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
         - The Ford carburetor with changeable section of a diffuzor
   Removal and carburetor installation
   Dismantling, check and carburetor assembly
   Adjustment of number of turns of idling of the engine and the contents WITH
   Adjustment of the starting arrangement
   Adjustment of a cable of a butterfly valve
   Removal and installation of a needle shaft
   Diaphragm of a 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 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
      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 Dismantling, check and carburetor assembly


Ford carburetor elements

1–cover of the carburetor,
2–mobile zaslonka of a diffuzor,
3–a dosing-out conic needle,
4–holder of the main fuel jet,
6–needle of the valve,
7–axis of a butterfly valve,
8–diaphragm of a regulator of a mobile zaslonka,
9–elements of the starting arrangement,
10-accelerating pump,
11-the screw of adjustment of a shunting stream,
12-screw of adjustment of structure of a mix,
13-screw of adjustment of number of turns of idling


1. To uncover the carburetor, unscrewing seven bolts of its fastening (Torx T20 bolts) and to remove cover laying.
2. To merge fuel from the poplavkovy chamber.
3. To unscrew four screws of fastening of the holder of the main fuel jet, to extend a mobile zaslonka of a diffuzor back and to take the holder of the main fuel jet.


Not to take out the conic needle cooperating with the main fuel jet. In case of its damage it is necessary to replace all carburetor.

4. To take the unidirectional valve of the accelerating pump.
5. To take a float and the needle valve.
6. To remove a safety casing and to unscrew the screw of adjustment of structure of a mix.
7. To unscrew screws of fastening of a cover of a vacuum regulator, to uncover, a spring, its emphasis and to take a diaphragm.
8. To uncover the accelerating pump, to take a spring and a diaphragm.


1. To wash up making parts of the carburetor (diaphragms to wash in spirit solution).
2. To blow the compressed air all openings and jets.
3. To check a condition of the needle valve, a float, diaphragms, the holder of the main fuel jet, an axis of the throttle valve.
4. To check a condition of a conic needle and possible ovality of jets.
5. To check correctness of functioning of the spring establishing the provision of a needle.

Carburetor assembly

1. To insert a diaphragm of the accelerating pump, its spring and a cover (the party with diaphragm laying in the direction of the case of the carburetor).
2. To insert elements of strengthening of a diaphragm, and also its springing adjusting ring.
3. To insert a diaphragm. The vacuum opening in the case of the carburetor should be opposite to an opening in the case of a vacuum regulator.
4. To insert a spring and a regulator cover.
5. To screw up the screw of adjustment of structure of a mix against the stop and to unscrew it on three turns. This initial situation for the correct adjustment.
6. To insert a float and its needle valve.
7. To insert a ball of the valve of the accelerating pump and to place its loading in the case channel.
8. To hold a mobile zaslonka of a diffuzor in the provision of the maximum opening and to insert new laying, and also knot of the main fuel jet.
9. To establish it thus concerning the carburetor case that its flange was at height of a surface of installation of laying.
10. To establish new laying of a cover and a cover the carburetor