Opel Vectra B

since 1995 release

Repair and operation of the car



Vektr's Opel of B
+ 1.1. Governing bodies and control devices
+ 2. Maintenance
- 3. Engines
   + 3.1. Repair of the SOCH engine installed in the car
   + 3.2. Repair of the DOCH engine installed in the car
   + 3.3. Repair of the diesel engine of 1,7 l installed in the car
   + 3.4. Repair of the diesel engine of 2,0 l installed in the car
   - 3.5. Capital repairs of engines
      3.5.1. Introduction
      - 3.5.2. Technical characteristics
         3.5.2.1. Petrol SOHC engine of 1,6 l
         3.5.2.2. Petrol DOHC engine of 1,6 l
         3.5.2.3. Petrol DOHC 1,8 and 2,0 engines of l
         3.5.2.4. Diesel engine of 1,7 l
         3.5.2.5. Diesel engine of 2,0 l
      3.5.3. Removal and installation of the petrol engine together with the transmission
      3.5.4. Removal and installation of the diesel engine together with the transmission
      3.5.5. Repair of the engine
      3.5.6. Dismantling of a head of the block of cylinders
      3.5.7. Cleaning and survey of a head of the block of cylinders
      3.5.8. Assembly of a head of the block of cylinders
      3.5.9. Removal of pistons with rods
      3.5.10. Removal of a bent shaft
      3.5.11. Block of cylinders of the engine
      3.5.12. Pistons and rods
      3.5.13. Bent shaft
      3.5.14. Survey of radical and conrod bearings
      3.5.15. Engine balance of assembly at capital repairs
      3.5.16. Installation of piston rings
      3.5.17. Choice of bearings
      3.5.18. Installation of a bent shaft
      3.5.19. Pistons and rods, check of working gaps of conrod bearings
      3.5.20. Check of a working gap of the bearing of the lower head of a rod
      3.5.21. Installation of pistons with rods
      3.5.22. Start of the engine after capital repairs
+ 4. Heating, ventilation
+ 5. Fuel system
+ 6. Systems of start, ignition
+ 7. Transmission
+ 8. Brake system
+ 9. Running gear
+ 10. Body
+ 11. Electric equipment
+ 12. Main malfunctions
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3.5.2.3. Petrol DOHC 1,8 and 2,0 engines of l

GENERAL INFORMATION

Head of the block of cylinders
The most admissible neploskosnost of the lower surface of a head of the block of cylinders
0.05 mm
Height of a head of the block of cylinders
134 mm
Valve saddle width:
  – inlet valve
1.0 – 1.5 mm
  – final valve
1.7 – 2.2 mm
Valves
Height of the directing valve plug in a cylinder head
13.70 – 14:00 mm
Diameter of a core of the valve:
  – inlet valve:
     • nominal (K)
5.955 – 5.970 mm
     • the 1st increased size (0.075 mm – K1)
6.030 – 6.045 mm
     • the 2nd increased size (0.150 mm – K2)
6.105 – 6.120 mm
  – final valve:
     • nominal (K)
5.945 – 5.960 mm
     • the 1st increased size (0.075 mm – K1)
6.020 – 6.035 mm
     • the 2nd increased size (0.150 mm – K2)
6.095 – 6.110 mm
Valve core exit
less than 0.03 mm
Diameter of an opening of the directing valve plug:
  – nominal (K)
6.000 to 6.012 mm
  – the 1st increased size (0.075 mm – K1)
6.075 – 6.090 mm
  – the 2nd increased size (0.150 mm – K2)
6.150 – 6.165 mm
Gap between a core and a guide of the valve:
  – inlet valve
0.030 – 0.057 mm
  – final valve
0.040 – 0.067 mm
Valve length:
  – new
102.0 mm
  – minimum
101.7 mm
Diameter of a plate of the valve:
  – inlet valve
31.9 – 32.1 mm
  – final valve
28.9 to 29.1 mm
Block of cylinders
The most admissible neploskosnost
0.05 mm
Diameters of cylinders:
  – standard (engine 1,8 liters):
     • group of the sizes 8
81.575 to 81.585 mm
     • group of the sizes 99
81.585 to 81.595 mm
     • group of the sizes 00
81.595 to 81.605 mm
     • group of the sizes 01
81.605 to 81.615 mm
     • group of the sizes 02
81.615 to 81.625 mm
  – the increased size (0.5 mm)
82.065 to 82.075 mm
  – standard (engine 2,0 liters):
     • group of the sizes 8
85.975 to 85.985 mm
     • group of the sizes 99
85.985 to 85.995 mm
     • group of the sizes 00
85.995 to 86.005 mm
     • group of the sizes 01
86.005 to 86.015 mm
     • group of the sizes 02
86.015 to 86.025 mm
  – the increased size (0.5 mm)
86.465 to 86.475 mm
Maximum ovality of diameter of the cylinder
0.013 mm
Maximum conicity of the cylinder
0.013 mm
Pistons and rings
Diameter of the piston:
  – standard (engine 1,8 liters):
     • group of the sizes 8
81.555 – 81.565 mm
     • group of the sizes 99
81.565 – 81.575 mm
     • group of the sizes 00
81.575 – 81.585 mm
     • group of the sizes 01
81.585 – 81.595 mm
     • group of the sizes 02
81.595 – 81.605 mm
  – the increased size (0.5 mm) – group of the sizes 7 + 0.5
82.045 – 82.055 mm
  – standard (engine 2,0 liters):
     • group of the sizes 8
85.955 to 85.965 mm
     • group of the sizes 99
85.965 to 85.975 mm
     • group of the sizes 00
85.975 to 85.985 mm
     • group of the sizes 01
85.985 to 85.995 mm
     • group of the sizes 02
85.995 to 86.005 mm
  – the increased size (0.5 mm) – group of the sizes 7 + 0.5
86.445 – 86.455 mm
Piston gap in the cylinder
0.02 – 0.04 mm
Gaps of the lock of the piston ring (established in an opening):
  – top and lower sealing rings
0.3 – 0.5 mm
  – oil scraper ring
0.4 – 1.4 mm
Thickness of a piston ring:
  – top and lower sealing rings
1.5 mm
  – oil scraper ring
3.0 mm
Gap of a piston ring in the piston
N/A
Piston fingers
Diameter
21 mm
Length:
  – engines 1.8 liters
56.0 mm
  – engines 2.0 liters
61.5 mm
Gap of a piston finger in the piston
 0.011 – 0.014 mm
Rod
Side gap of the lower head of a rod
 0.07 – 0-24 mm
Bent shaft
Axial side play
0.05 – 0.15 mm
Diameters of radical necks:
  – standard:
     • 1st group of the sizes (white)
57.974 – 57.981 mm
     • 2nd group of the sizes (green)
57.981 – 57.988 mm
     • 3rd group of the sizes (brown)
57.988 – 57.995 mm
  – 1st reduced (0.25 mm)
57.732 – 57.745 mm
  – the 2nd reduced (0.50 mm)
57.482 – 57.495 mm
Diameters of conrod necks:
  – standard
48.970 – 48.988 mm
  – 1st reduced (0.25 mm)
.48.720 – 48.738 mm
  – the 2nd reduced (0.50 mm)
48.470 – 48.488 mm
Maximum ovality
0.04 mm
Maximum conicity
N/A
Working gap of the radical bearing
0.015 – 0.040 mm
Working gap of the bearing of the lower head of a rod
0.006 – 0.031 mm