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.
         3.1.3.1. Engine
         3.1.3.2. Head of the block of cylinders
         3.1.3.3. Block of cylinders of the engine
         3.1.3.4. Krivoshipno-shatunny mechanism
         3.1.3.5. Bent shaft
         3.1.3.6. System of gas distribution
         3.1.3.7. Engine mount
         3.1.3.8. Cooling system
         + 3.1.3.9. Carburetor
         3.1.3.10. System of injection of fuel
         3.1.3.11. System of ignition
         3.1.3.12. Coupling
         3.1.3.13. Mechanical four-speed transmission
         3.1.3.14. Mechanical five-speed transmission
         + 3.1.3.15. Automatic Ford A 4 LD transmission
         3.1.3.16. Power shaft and back bridge
         3.1.3.17. System of steering with the hydraulic booster
         3.1.3.18. Forward suspension bracket
         3.1.3.19. Back suspension bracket
         3.1.3.20. Brake system
         + 3.1.3.21. Electric equipment
         3.1.3.22. General data
      + 3.1.4. Changes in a car design from 1987 to 1989.
      + 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





3.1.3.4. Krivoshipno-shatunny mechanism

GENERAL INFORMATION

PISTONS

Diameters of pistons (mm)

Engine
1,6 dm3 of LSD
1,8 dm3 of REB
Nominal standard diameters:
  – group 1
81,265 – 81,275
86,145 – 86,155
  – group 2
81,275 – 81,285
86,155 – 86,165
  – group 3
81,285 – 81,295
86,165 – 86,175
  – group 4
81,295 – 81,305
86,165 – 86,175
Repair diameters:
  – standard
81,290 – 81,315
86,170 – 86,195
  – repair 0,5
81,790 – 81,815
86,670 – 86,695
  – repair 1,0
82,290 – 82,315
87,170 – 87,195
Gap of new pistons in cylinders
0,015 – 0,500

PISTON FINGERS

Piston fingers of engines 1,6 of dm3 of LSD and 1,8 dm3 of REB are identical to fingers of engines 1, 6 of dm3 of the LCT and LCS type.