Ford Siyerra
+ 1.2. Car identification
+ 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.
3.1.4.1. OHC engine
+ 3.1.4.2. Dm3 CVH 1,8 engine
- 3.1.4.3. DOHC engine
- 3.1.4.3.1. Technical characteristics
3.1.4.3.1.1. Head of the block of cylinders of the engine
3.1.4.3.1.2. Block of cylinders of the engine
3.1.4.3.1.3. Krivoshipno-shatunny mechanism
3.1.4.3.1.4. Gazoraspredeleniye system
3.1.4.3.1.5. Greasing system
3.1.4.3.1.6. Cooling system
3.1.4.3.1.7. Fuel system
3.1.4.3.1.8. Ignition system
3.1.4.3.1.9. Tightening moments
+ 3.1.4.4. Service and repair
+ 3.1.4.5. Coupling
3.1.4.6. Mechanical five-speed transmission of type N
+ 3.1.4.7. Mechanical five-speed transmission of MT 75 type
3.1.4.8. Automatic transmission
3.1.4.9. Forward suspension bracket
+ 3.1.4.10. Brake system
+ 3.1.4.11. Electric equipment
3.1.4.12. General data
+ 3.1.5. Changes in a car design with 1990 till 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
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Two cam-shafts are in a head of the block of cylinders and is put in action by a separate roller chain from a cranked shaft and put in action the valve by means of hydraulic pushers.
Cam-shafts
Two cam-shafts in a head of the block of cylinders lean on five bearings: one puts in action inlet the valve, and the second – final the valve.
| Diameter of necks |
25,960-5,980 mm
|
| Axial gap |
0,02-0,26 mm
|
| Lifting of cams: |
| – inlet valves in the carburetor engine |
10,5 mm
|
| – inlet valves in the engine with gasoline injection |
11,1 mm
|
| – final valves |
10,9 mm
|
Gazoraspredeleniye phases
| Engine type |
N8A
|
N9A
|
| OZD |
13 ° before VMT
|
13 ° before VMT
|
| ZZD |
39 ° after NMT
|
51 ° after NMT
|
| OZW |
43 ° before NMT
|
43 ° before NMT
|
| ZZW |
13 ° after VMT
|
13 ° after VMT
|
| OZD and ZZD – respectively opening and closing of the inlet valve |
|
OZW and ZZW – respectively opening and closing of the final valve
|
Driving chain of a gazoraspredeleniye
Single-row roller chain 3/8" with a hydraulic tension. |
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