Opel Vectra B

Since 1995 of release

Repair and car operation



Opel of Vektra
+ 1.1. Controls and control devices
+ 2. Maintenance service
- 3. Engines
   + 3.1. Repair of engine SOCH established in the car
   + 3.2. Repair of engine DOSH established in the car
   + 3.3. Repair of the diesel engine of 1,7 l established in the car
   - 3.4. Repair of the diesel engine of 2,0 l established in the car
      3.4.1. Introduction
      3.4.2. Technical characteristics
      3.4.3. Check of pressure of compression
      3.4.4. The top dead point (ВМТ) the piston of the first cylinder
      3.4.5. Check and mechanism adjustment timing
      3.4.6. A cover of a head of the block of cylinders
      3.4.7. A pulley of a cranked shaft
      3.4.8. A chain cover
      3.4.9. Натяжители chains
      3.4.10. Chains and asterisks
      3.4.11. Camshafts and pushers
      3.4.12. A head of the block of cylinders
      3.4.13. The oil pallet
      3.4.14. The oil pump
      3.4.15. An oil radiator
      3.4.16. Replacement of sealing rings of a cranked shaft
      3.4.17. A flywheel
      3.4.18. Suspension brackets of the power unit
   + 3.5. Major repairs of engines
+ 4. Heating, ventilation
+ 5. Fuel system
+ 6. Systems of start, ignition
+ 7. Transmission
+ 8. Brake system
+ 9. A running gear
+ 10. A body
+ 11. An electric equipment
+ 12. The basic malfunctions



3.4.2. Technical characteristics
THE GENERAL DATA

The engine with four cylinders, cooled by water with one top camshaft put in action by a chain.

The engine
Engine code:
  – A turbo of low pressure
X20DTL
  – A high pressure turbo
X20DTH
Diameter of the cylinder
84 mm
Piston stroke
90 mm
Working volume
1994 sm3
Operating procedure of cylinders
1–3–4–2 (cylinder N1 is from outside chains)
Direction of rotation of a cranked shaft
Clockwise, if to take a detached view chains
Compression degree
18,5:1
The maximum capacity:
  – A turbo of low pressure
60 kw at 4300 rpm
  – A high pressure turbo
74 kw at 4300 rpm
The maximum twisting moment:
  – A turbo of low pressure
185 Nanometers at 1800 – 2500 rpm
  – A high pressure turbo
205 Nanometers at 1600 – 2750 rpm
Pressure of compression
17 – 24 bar
The maximum distinction of pressure of compression between any two cylinders
1,0 bar
Camshaft
Люфт
0,04 – 0,14 mm
As much as possible admissible radial palpation
0,06 mm
Lifting of a cam of the valve
8,0 mm
Greasing system
Is minimum admissible pressure of oil at turns of idling and temperature of the engine 80 With
1,5 bar
The tightening moments
Sharnirnyj bolt of a basic plate of a pulley of the mechanism of a tension
42 Nanometers
Bolts of fastening of a rack of the mechanism of a tension
23 Nanometers
Bolts of fastening of a cover of bearings of a camshaft
20 Nanometers
Bolts of fastening of a cover of a head
8 Nanometers
Bolt of fastening of an asterisk of a camshaft:
  – A stage 1
90 Nanometers
  – A stage 2
To tighten on a corner 60
  – A stage 3
To tighten on a corner 30
Bolts of fastening of a cover of the bearing of the bottom head of a rod:
  – A stage 1
35 Nanometers
  – A stage 2
To tighten on a corner 45
  – A stage 3
To tighten on a corner 15
Bolt of fastening of a pulley of a cranked shaft:
  – A stage 1
150 Nanometers
  – A stage 2
To tighten on a corner 45
  – A stage 3
To tighten on a corner 15
Bolts of fastening of a head of the block of cylinders:
  – A stage 1
25 Nanometers
  – A stage 2
To tighten on a corner 65
  – A stage 3
To tighten on a corner 65
  – A stage 4
To tighten on a corner 65
  – A stage 5
To tighten on a corner 65
  – A stage 6
To tighten on a corner 15
Bolts of fastening of a transmission to the engine:
  – Bolts М8
20 Nanometers
  – Bolts М10
40 Nanometers
  – Bolts М12
60 Nanometers
Bolts of fastening of a forward and right support of the power unit to the engine
60 Nanometers
Nuts of fastening of a forward and right suspension bracket of the power unit to the bottom frame
45 Nanometers
Bolts of fastening of a back support of the power unit to скобе
45 Nanometers
Bolts of fastening of a back support of the power unit to a frame
20 Nanometers
Bolts of draught of indemnification of a twisting moment
60 Nanometers
Bolts of fastening of a transmission to the engine:
  – Bolts М8
20 Nanometers
  – Bolts М10
40 Nanometers
  – Bolts М12
60 Nanometers
Bolts of fastening of a flywheel:
  – A stage 1
45 Nanometers
  – A stage 2
To tighten on a corner 30
  – A stage 3
To tighten on a corner 15
Bolt of fastening of an asterisk of the fuel pump
20 Nanometers
Bolts of fastening of covers of bearings:
  – A stage 1
90 Nanometers
  – A stage 2
To tighten on a corner 60
  – A stage 3
To tighten on a corner 15
Safety valve of pressure of the oil pump
60 Nanometers
Cover of the oil pump
8 Nanometers
Bolts of fastening of a pipe маслоприемника
8 Nanometers
Bolts of fastening of a spray of the block of cylinders
22 Nanometers
Bolts of fastening of the oil pallet to the block of cylinders
20 Nanometers
Bolts of fastening of the oil pallet to a transmission:
  – Bolts М8
20 Nanometers
  – Bolts М10
40 Nanometers
Masloslivnaja stopper
18 Nanometers
Sharnirnyj bolt left натяжителя loops
20 Nanometers
Head натяжителя loops
60 Nanometers