Ford Sierra

1982-1993 of release

Repair and car operation

Ford Siyerra
+ 1.2. Car identification
+ 2. Maintenance
- 3. General data
   + 3.1. Cars with petrol engines
   - 3.2. Cars with diesel engines
      - 3.2.1. Changes in a car design from 1988 to 1993. Dm3 engine 2,3
         - Dm3 engine 1,8
   Technical characteristics
   Head of the block of cylinders
   Block of cylinders
   Krivoshipno-shatunny mechanism
   Gazoraspredeleniye system
   Greasing system
   Cooling system
   Fuel system
   Tightening moments
   Engine adjustment
         + Fuel system
         + The repair which is not demanding removal of the engine Removal and engine installation Engine dismantling Check of details Check of gaps of a cranked shaft and rods Engine assembly Greasing system Cooling system Coupling Mechanical five-speed transmission of MT 75 type Power shaft and back bridge Steering system Forward suspension bracket Brake system Electric equipment General data
+ 4. Engines
+ 5. Coupling
+ 6. Transmissions
+ 7. Driveshaft and back bridge
+ 8. Steering
+ 9. Suspension brackets
+ 10. Brake system
+ 11. Body
+ 12. Electric equipment Gazoraspredeleniye system


Basic element of system of a gazoraspredeleniye is the cam-shaft located in a head of the block of cylinders and put in action by a gear belt from a cranked shaft.

Gazoraspredeleniye phases (measured at a working gap of valves):

 – OZD: 6 ° before VMT;
 – ZZD: 32 ° after NMT;
 – OZW: 57 ° before NMT;
 – ZZW: 7 ° after VMT.

OZD and ZZD – respectively opening and closing of the inlet valve; OZW and ZZW–respectively opening and closing of the final valve.


The cam-shaft leans on five bearings, containing thin-walled loose leaves.

Lifting of valves:

 – the inlet: 10 mm;
 – the final: 9 mm.

Axial люфт: 0,1–0,2 mm.

Diameter of necks of bearings: 27,960–27,980 mm.

Gap in cam-shaft bearings: 0,020–0,079 mm.

Gear belt

The gear belt puts in action a cam-shaft, an intermediate shaft and the pump of cooling liquid.

Brand: Motorcraft.

Tension: it is regulated by automatically roller tension device.

Periodicity of replacement: each 60 000 km of run.