The device, service and repair the Opel Omega - 3.1.1. Technical characteristics//1993-1999 -

Opel Omega

since 1993-1999 release

Repair and operation of the car



Opel Omega
+ 1. Maintenance instruction
+ 2. Maintenance
- 3. Repair of engines
   - 3.1. SOHC engines of 2,0 liters
      3.1.1. Technical characteristics
      3.1.2. Check of a compression
      3.1.3. Top Dead Point (TDP) of the N1 piston
      3.1.4. Camshaft cover
      3.1.5. Pulley of a bent shaft
      3.1.6. Covers of a gas-distributing belt
      3.1.7. Gas-distributing belt
      3.1.8. Natyazhitel of a gas-distributing belt and asterisk
      3.1.9. Camshaft epiploon
      3.1.10. Casing of the camshaft and camshaft
      3.1.11. Pushers and hydraulic elevators
      3.1.12. Head of cylinders
      3.1.13. Oil pallet
      3.1.14. Oil pump
      3.1.15. Flywheel
      3.1.16. Epiploons of a bent shaft
      3.1.17. Fastenings of the engine and transmission
   + 3.2. DOHC engines of 2,0 liters
   + 3.3. 2,5 and 3,0 liters engines
   + 3.4. Partition of all petrol engines
   + 3.5. 2,0 liters diesel engine
   + 3.6. 2,5 liters diesel six-cylinder engine
+ 4. Heating system and ventilation
+ 5. Fuel, exhaust systems
+ 6. System of start of the engine
+ 7. System of ignition
+ 8. Coupling
+ 9. Transmissions
+ 10. Main transfer, half shafts
+ 11. Brake system
+ 12. Suspension bracket and steering
+ 13. Body
+ 14. Body electric equipment



3.1.1. Technical characteristics

GENERAL INFORMATION

Engine type
Four-cylinder line with the water cooling and one camshaft located in the top part of the engine
Engine code:
  – the models equipped with the catalytic converter
X20SE
  – the models which are not equipped with the catalytic converter
20SE
Diameter of the cylinder
86 mm
Piston stroke
86 mm
Volume
1998 cm3
Sequence of operation of cylinders
1–3–4–2
Direction of rotation of a bent shaft
Clockwise
Extent of compression
10:1
Maximum power
85 kW at 5400 rpm
The maximum rotating moment
178 N of m at 2800 rpm
Compression pressure:
  – nominal
12 – 15 bars
  – the maximum difference in pressure between two cylinders
1 bar
Camshaft
Free wheeling
0,09 – 0,21 mm
Maximum admissible radial beating
0,04 mm
Lubrication system
Oil pump
Rotor type with the drive from a bent shaft
Minimum admissible pressure of oil idling (temperature of oil of 80 °C)
1,5 bars
Gaps:
  – a gap between teeth of rotors of the pump
0,08 – 0,15 mm
  – free wheeling of rotors
0,03 – 0,10 mm

Moments of an inhaling, N. of m.

Camshaft cover bolts
8
Camshaft asterisk bolt
45
Bolts of a persistent plate of the camshaft
8
Bolts of a back cover of a casing of the camshaft
8
Rod cover bolt:
  – step 1
35
  – step 2
Tighten for 45 °
  – step 3
Tighten for 15 °
Bolts of the pump of cooling liquid
25
Bolts of a ventilating tube of a case of the engine
25
Bolts of a pulley of a bent shaft
20
Bolts of a rotor of the sensor of a bent shaft
13
Bolt of an asterisk of a bent shaft:
  – step 1
130
  – step 2
Tighten for 40 – 50 °
Bolts of a head of cylinders:
  – step 1
25
  – step 2
Tighten for 90 °
  – step 3
Tighten for 90 °
  – step 4
Tighten for 90 °
Bolts of a drive plate:
  – step 1
55
  – step 2
Tighten for 30 °
  – step 3
Tighten for 15 °
Fastenings of the engine and transmission:
  – left and right support:
     • the nut fixing a support to a body
55
     • the nut fixing a support to its arm
40
     • the bolts fixing a support arm to the block of cylinders
60
  – back support:
     • the bolts fixing a support to the transmission
40
     • the nuts fixing a support to a cross-piece
20
     • the bolts fixing a cross-piece to a body
45
Bolts of a basic arm of the engine and transmission:
  – a bolt, the fixing arm to the engine
40
  – the bolts fixing an arm to the transmission
22
  – the bolts fixing the transmission to the engine
60
Flywheel bolts:
  – step 1
65
  – step 2
Tighten for 30 °
  – step 3
Tighten for 15 °
Bolts of covers of radical bearings:
  – step 1
50
  – step 2
Tighten for 45 °
  – step 3
Tighten for 15 °
Oil filter
15
Oil pump:
  – fixing bolts
8
  – pump cover vainta
6
  – bolt of the reducing valve
50
  – bolts of a maslozaborny branch pipe
8
The heat-insulating guards of spark plugs
25
Bolts of the oil pallet:
  – fixing bolts
8
  – stopper of a drain opening of the oil pallet
55
Bolts of a cover of a gas-distributing belt:
  – external cover
4
  – back cover
6
Bolt of a natyazhitel of a gas-distributing belt
20











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