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.
      - 3.1.5. Changes in a car design from 1990 to February, 1993.
         - 3.1.5.1. DOHC engine
            3.1.5.1.1. Technical characteristics
            3.1.5.1.2. Head of the block of cylinders
            3.1.5.1.3. System of gas distribution
            3.1.5.1.4. System of injection of the N9C engine
         3.1.5.2. Coupling
         3.1.5.3. Power shaft and back bridge
         3.1.5.4. System of steering with the hydraulic booster
         3.1.5.5. Electric equipment
         3.1.5.6. General data
   + 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





3.1.5.1.2. Head of the block of cylinders

GENERAL INFORMATION

Laying of a head of the block of cylinders

In case of an oil effluence from under laying of a head of the block of cylinders or need of replacement of laying in the course of repair it is necessary to establish laying of new type. Laying of old type which designations come to an end with symbols of "A2J" or "A2K" should not be used.

Tightening of bolts of a head of the block of cylinders

In case of need removals of a head of the block of cylinders at its installation need to be replaced surely three bolts of M8 with a knurled head with Torx nest (fastenings of a head of the block of cylinders from the drive of system of gas distribution) three bolts of M8 with a six-sided head. M8 bolts with a six-sided head it is necessary to tighten the moment 36–39 Nanometers. The method of tightening of other bolts of a head of the block of cylinders did not undergo changes.