Subaru Legacy

since 1990-1998 release

Repair and operation of the car



Subaru Legacy
+ 1.1. Identification numbers
+ 2. Maintenance
- 3. Engines
   3.1. Technical characteristics
   3.2. Operations on repair of the engine installed in the car
   3.3. Top dead point of the first cylinder
   3.4. Cover of a head of the block of cylinders
   3.5. Inlet collector
   + 3.6. Gear belt and pulleys
   3.7. Replacement of a forward sealing ring of a bent shaft
   3.8. Replacement of sealing rings of camshafts
   3.9. Camshafts and pushers
   3.10. Heads of the block of cylinders
   3.11. Oil pallet
   3.12. Oil pump
   3.13. Drive flywheel / plate
   3.14. Replacement of a back sealing ring of a bent shaft
   3.15. Suspension bracket of the power unit
   - 3.16. Capital repairs of the engine
      3.16.1. Technical characteristics
      3.16.2. Check of a compression
      3.16.3. Check of the engine by means of the vacuum gage
      3.16.4. Recommendations about removal of the engine
      3.16.5. Removal of the engine
      3.16.6. Sequence of dismantling of the engine
      3.16.7. Dismantling of a head of the block of cylinders
      3.16.8. Cleaning and survey of a head of the block of cylinders
      3.16.9. Assembly of a head of the block of cylinders
      3.16.10. Removal of pistons
      3.16.11. Division of sections of blocks of cylinders
      3.16.12. Removal of a bent shaft with rods
      3.16.13. Block of cylinders of the engine
      3.16.14. Honingovaniye of cylinders
      3.16.15. Rods
      3.16.16. Bent shaft
      3.16.17. Survey of radical and conrod bearings
      3.16.18. Engine balance of assembly at capital repairs
      3.16.19. Survey of pistons
      3.16.20. Check of working gaps of conrod bearings
      3.16.21. Check of working gaps of radical bearings of a bent shaft
      3.16.22. Assembly of sections of the block of cylinders
      3.16.23. Installation of piston rings
      3.16.24. Installation of pistons
      3.16.25. Installation of the engine
      3.16.26. Start of the engine after capital repairs
+ 4. Heating, ventilation
+ 5. Fuel system
+ 6. Exhaust system
+ 7. Systems of start, ignition
+ 8. Transmissions
+ 9. Coupling, shaft
+ 10. Brake system
+ 11. Suspension bracket
+ 12. Steering
+ 13. Body
+ 14. Electric equipment






3.16.1. Technical characteristics

GENERAL INFORMATION

Diameter of the cylinder and piston stroke
Engine of 1,8 l
92 x 67 mm
Engine of 2,0 l
92 x 75 mm
Engine of 2,2 l
97 x 75 mm
Engine of 2,5 l
99,5 x 79 mm
Working volume
Engine of 1,8 l
1791 cm3
Engine of 2,0 l
1994 cm3
Engine of 2,2 l
2212 cm3
Engine of 2,5 l
2440 cm3
Oil pressure
At 2000 rpm
1 – 1,8 bars
At 4000 rpm
2,4 – 3,2 bars
Head of the block of cylinders
Not planeness of the surface interfaced to the block of cylinders
0.05 mm
Valves
Corner of a working facet of the valve
45 °
Width of an edge of a plate of the valve:
  – engine of 2,2 l:
     • inlet
1,00 mm
     • final
1,20 mm
  – engine of 2,5 l:
     • inlet
1,20 mm
     • final
1,50 mm
Maximum permissible width of an edge of a plate of the valve
0,79 mm
Diameter of a core of the valve:
  – inlet
5,951 – 5,964 mm
  – final:
     • engine of 2,2 l
5,946 – 5,964 mm
     • engine of 2,5 l
5,951 – 5,964 mm
Diameter of a guide of the valve
5,999 – 6,012 mm
Valve gap in a guide:
  – inlet
0,035 – 0,060 mm
  – final
0,040 – 0,066 mm
Maximum permissible gap of valves in a guide
0,152 mm
Valvate spring
Diameter of a wire:
  – engine of 2,2 l
2,0 mm
  – engine of 2,5 l
2,1 mm
Free length:
  – engine of 2,2 l:
     • 1990-1994.
46,1 mm
     • 1995-1998.
44,0 mm
  – engine of 2,5 l
48,0 mm
Valve pushers (only engine of 2,5 l)
Diameter of a pusher
32,959 – 32,974 mm
Diameter of the channel of the cylinder of a pusher
32,994 – 33,014 mm
Pusher gap:
  – nominal
0,017 – 0,055 mm
  – maximum permissible
0,099 mm
Diameters of cylinders of the engine
Engine of 2,2 l:
  – A
96,903 – 96,913 mm
  – In
96,895 – 96,903 mm
  – With
96,885 – 96,895 mm
Engine of 2,5 l:
  – A
99,504 – 99,514 mm
  – In
99,494 – 99,504 mm
Conicity
0,0152 mm
Ovality
0,010 mm
Maximum increase in the size of diameter of cylinders
0,508 mm
Pistons and rings
Diameter of the piston
Engine of 2,2 l:
  – A
96,885 – 96,895 mm
  – In
96,875 – 96,885 mm
  – With
96,865 – 96,875 mm
Engine of 2,5 l:
  – And
99,484 mm
  – In
99,474 – 99,484 mm
Gap in the lock of a piston ring
Nominal
1990-1994:
  – compression ring of N1 (top)
     • engines without turbocharger
0,2 – 0,35 mm
     • engines with a turbocharger
0,2 – 0,25 mm
  – compression ring of N2 (lower)
0,37 – 0,52 mm
  – oil scraper ring
.0,2 – 0,7 mm
1995-1998:
  – compression ring of N1 (top)
0,2 – 0,35 mm
  – compression ring of N2 (lower)
0,2 – 0,50 mm
  – oil scraper ring
0,2 – 0,7 mm
Maximum permissible gap in the lock of a piston ring
Compression ring of N1 (top):
  – engines without turbocharger
1,0 mm
  – engines with a turbocharger
0,9 mm
Compression ring of N2 (lower)
1,0 mm
Oil scraper ring
1,5 mm
Gap of a piston ring in a piston flute
Compression ring of N1 (top):
  – nominal
0,04 – 0,08 mm
  – maximum permissible
0,15 mm
Compression ring of N2 (lower):
  – nominal
0,03 – 0,07 mm
  – maximum permissible
0,15 mm
Piston gap:
  – nominal
0,01 – 0,03 mm
  – maximum permissible
0,05 mm
Gap of a piston finger in the piston:
  – nominal
0,005 – 0,015 mm
  – maximum permissible
0,02 mm
Side gap of a rod:
  – nominal
0,07 – 0,33 mm
  – maximum permissible
0,40 mm
Bent shaft and bearings
Radical neck of the bearing:
  – 1990-1994
59,984 – 59,999 mm
  – 1995-1998
59,992 – 60,007 mm
Diameter of a conrod neck of a bent shaft:
  – engine of 2,2 l
51,983 – 51,998 mm
  – engine of 2,5 l
47,983 – 48,000 mm
Axial side play of a bent shaft:
  – nominal
0,03 – 0,11 mm
  – maximum permissible
0,25 mm
Working gap in the radical bearing of sliding:
  – nominal
0,01 – 0,03 mm
  – maximum permissible
0,04 mm
Working gap in the conrod bearing of sliding
Engines of 2,2 l:
  – engines without turbocharger:
     • nominal
0,015 – 0,045 mm
     • maximum permissible
0,05 mm
  – engines with a turbocharger
0,2 – 0,25 mm
     • nominal
0,025 – 0,005 mm
     • maximum permissible
0,06 mm
Engines of 2,5 l:
  – nominal
0,010 – 0,038 mm
  – maximum permissible
0,05 mm
Block of cylinders
Not planeness of the interfaced surface
0,05 mm
Tightening moments
Bolts of fastening of the transmission to the engine
45 – 55 Nanometers
Lower cover of a rod
44 – 46 Nanometers
Bolts of fastening of sections of the block of cylinders:
  – short
23 – 27 Nanometers
  – long
25 – 28 Nanometers
Masloslivny stopper
62 – 76 Nanometers





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