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
   - 3.1. Cars with petrol engines
      3.1.1. Masses and transfer numbers
      3.1.2. Operational liquids
      + 3.1.3. Changes in a car design from 1984 to 1986.
      - 3.1.4. Changes in a car design from 1987 to 1989. OHC engine
         + Dm3 CVH 1,8 engine
         - DOHC engine
            - Technical characteristics
      Head of the block of cylinders of the engine
      Block of cylinders of the engine
      Krivoshipno-shatunny mechanism
      System of gas distribution
      Lubrication system
      Cooling system
      Fuel system
      System of ignition
      Tightening moments
         + Service and repair
         + Coupling Mechanical five-speed transmission of N type
         + Mechanical MT 75 five-speed transmission Automatic transmission Forward suspension bracket
         + Brake system
         + Electric equipment General data
      + 3.1.5. Changes in a car design from 1990 to February, 1993.
   + 3.2. Cars with diesel engines
+ 4. Engines
+ 5. Coupling
+ 6. Transmissions
+ 7. Driveshaft and back bridge
+ 8. Steering
+ 9. Suspension brackets
+ 10. Brake system
+ 11. Body
+ 12. Electric equipment

a773976c Fuel system


In fuel system of the engine of 2,0 NANOSECONDS of DOHC 2V (N8A) the electric fuel pump and the Weber TLD carburetor is used, and in the engine of 2,0 NANOSECONDS of DOHC EFI (N9A) the system of injection Ford Motorcraft EFI integrated with system of ignition is applied and enters a control system of the EEC IV engine.

Fuel tank

The fuel tank made of a steel sheet is fixed by two steel collars before a back axis.

Capacity: 60 dm3.

Fuel type: ethylated gasoline with octane number 98 or unleaded with octane number not less than 95 (the engines adapted for work on unleaded gasoline).

Air filter

The air filter has the replaced paper element.

Brand and type: Motorcraft EFA 56.

Fuel filter

Brand and type: Motorcraft EFG 21.


Carburetor engine

Fuel pump electric.

The engine with fuel injection

Shiberno roller fuel electric pump Ford.

The created pressure (at a voltage of 12 V and the closed fuel exit): 300 kPa.

Weber carburetor

The two-chamber consecutive Weber TLD carburetor has the butterfly valve of the 2nd camera operated by vacuum in an inlet collector, the accelerating pump, the enriching device in the 2nd camera and the starting air gate put in action automatically.

Adjusting data of the Weber TLD carburetor

1st camera
2nd camera
Diameter of the diffuser (mm)
Main fuel jet
Emulsion tube
Main air jet
Installation of a float
29 ± 0,5
29 ± 0,5
Opening of a butterfly valve
5 ± 0,5
5 ± 0,5
Turns of the "accelerated" idling (rpm)
1800 ± 50
1800 ± 50
Turns of idling (rpm)
850 ± 25 *
850 ± 25 *
Contents FROM (%)
1 ± 0,25
1 ± 0,25

* Cars with the automatic transmission: 800 ± 50 rpm.

System of injection Ford Motorcraft EFI

The multipoint injection of fuel operated electronically, the Ford Motorcraft EFI joint with system of ignition entering a control system of the EEC IV engine is applied. Fuel with constant pressure is brought to nozzles. The electronic EEC IV actuation device doses a portion of the sprayed fuel and operates ignition, and also blocks supply of fuel in the engine during braking by the engine.

Fuel pressure regulator

Brand: Bosch.
Regulirumy pressure: 230–250 kPa.

Fuel nozzles

Nozzles of fuel cope electronically.
Brand: Bosch.

Adjusting data

Idling speed: 875±25 rpm.
Contents WITH: 1,25±0,25%.