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
- 3.1.4.2.1. Technical characteristics
3.1.4.2.1.1. Head of the block of cylinders of the engine
3.1.4.2.1.2. Block of cylinders of the engine
3.1.4.2.1.3. Krivoshipno-shatunny mechanism
3.1.4.2.1.4. Gazoraspredeleniye system
3.1.4.2.1.5. Greasing system
3.1.4.2.1.6. Cooling system
3.1.4.2.1.7. Fuel system
3.1.4.2.1.8. Ignition system
3.1.4.2.1.9. Tightening moments
3.1.4.2.2. Engine adjustment
3.1.4.2.3. Ignition system
3.1.4.2.4. Gazoraspredeleniye system
3.1.4.2.5. Assembly of the CVH 1,8 engine of dm3
+ 3.1.4.3. DOHC engine
+ 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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The cam-shaft is in a head of the block of cylinders and is put in action by a gear belt from a cranked shaft.
Gazoraspredeleniye phases
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OZD
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24 ° before VMT
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ZZD
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116 ° after NMT
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OZW
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110 ° before NMT
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ZZW
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18 ° after VMT
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| OZD and ZZD – respectively opening and closing of the inlet valve |
| OZW and ZZW – respectively opening and closing of the final valve |
Phases of a gazoraspredeleniye are given when lifting valve in 1 mm and the fixed levers of all valves, except the lever of the valve which phases are measured.
Cam-shaft
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Diameter of necks
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45,7625-45,7375 mm
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Axial gap
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0,02-0,15 mm
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Thickness of a persistent plate
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4,99-5,01 mm
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Lifting of cams (inlet and final)
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5,79 mm
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Height of cams (inlet and final)
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38,305 mm
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The cam-shaft is made of cast iron and located in five bearings in a head of the block of cylinders, fixed is longitudinal by means of a plate screwed by two bolts to a head of the block of cylinders and is put in action by a gear belt.
Gear belt
| Brand |
Motorcraft
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| Tension: |
| – new belt |
350-450 N
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| – a belt being in the use (after 10 mines of work) |
250 N
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| The tension measured by means of the Ford adaptation: |
| – new belt |
10-11 units
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| – a belt being in the use |
4–6 units
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Tension adjustment
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by means of the mechanical roller tension device
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