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
         4.1.1.1. Head of the block of cylinders
         4.1.1.2. Block of cylinders of the engine
         4.1.1.3. Krivoshipno-shatunny mechanism
         4.1.1.4. Gazoraspredeleniye system
         4.1.1.5. Greasing system
         4.1.1.6. Cooling system
         4.1.1.7. Fuel system
         4.1.1.8. Ignition system
         4.1.1.9. Tightening moments
      4.1.2. Adjustment of gaps of valves
      + 4.1.3. Ignition system
      + 4.1.4. Fuel system
      + 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





4.1.1.4. Gazoraspredeleniye system

GENERAL INFORMATION

Four-cylinder ryadny ONS engine (general view)

The cam-shaft is located in a head of the block of cylinders, actuates the valve by means of the lever of valves and is put in action by a gear belt.

Working gap of valves (in a cold condition):

  – the inlet: 0,20 mm;
  – the final: 0,25 mm.

Distribution phases

Engine
1,3 dm3 and 1,6 dm3
2,0 dm3
OZD
22 ° before VMT
24 ° before VMT
ZZD
54 ° after NMT
64 ° after NMT
OZW
64 ° before NMT
70 ° before NMT
ZZW
12 ° after VMT
18 ° after VMT

OZD and ZZD – respectively opening and closing of the inlet valve;
OZW and ZZW – respectively opening and closing of the final valve;
VMT and NMT – respectively the top and bottom dead points.

Gear belt

Brand: Ford Powergrip
Type:
  – dm3 engine 1,3
70НМ 6288 АА
  – dm3 engine 1,6
70НМ 6288 АА
  – dm3 engine 2,0
70НМ 6268 АА
Number of teeths
  – dm3 engine 1,3
119
  – двигатель1,6 dm3
119
  – dm3 engine 2,0
122

Cam-shaft

The cam-shaft rotates in three bearings.

Diameters of bearings of a cam-shaft:
  – the forward
41,987-42,013 mm
  – average
44,607-44,633 mm
  – the back
44,987-45,013 mm
Internal diameters of plugs of bearings:
  – the forward
42,035-42,055 mm
  – average
44,655-44,675 mm
  – the back
45,035-45,055 mm
Axial люфт cam-shaft
0,104-0,204 mm
Thickness of persistent laying of a cam-shaft
3,96-4,01 mm
Lifting of cams:
  – dm3 engine 1,3
5,9639 mm
  – dm3 engine 1,6
5,9639 mm
  – dm3 engine 2,0
6,3323 mm
Height of cams:
  – dm3 engine 1,3
35,894-36,234 mm
  – двигатель1,6 dm3
35,894-36,234 mm
  – dm3 engine 2,0
36,260-36,600 mm