Toyota Corolla

1992-1998 of release

Repair and operation of the car



Toyota Corolla
+ 1. Maintenance instruction
+ 2. Maintenance
- 3. Engines
   - 3.1. Petrol engines
      + 3.1.1. Repair work without dismantle of the engine from the car
      - 3.1.2. Dismantle and capital repairs
         3.1.2.1. Specifications
         3.1.2.2. Diagnostics of the engine by means of a vakuumer
         3.1.2.3. Check of a compression in engine cylinders
         + 3.1.2.4. Dismantle of the power unit - methods and safety measures
         3.1.2.5. Alternatives of capital repairs of the engine
         3.1.2.6. Order of dismantling of the engine
         3.1.2.7. Head of the block of cylinders
         3.1.2.8. Repair of valves
         3.1.2.9. Conrod and piston group
         3.1.2.10. Dismantle of the crankshaft
         3.1.2.11. Block of cylinders
         3.1.2.12. Honningovaniye of cylinders
         3.1.2.13. Bent shaft
         3.1.2.14. Radical and conrod bearings
         3.1.2.15. Engine assembly order
         3.1.2.16. Piston rings
         3.1.2.17. Installation of a bent shaft and check of gaps of radical bearings
         3.1.2.18. Back epiploon
         3.1.2.19. Installation of conrod and piston group
         3.1.2.20. Launch of the engine after repair and a running in
   + 3.2. Diesel engine
   + 3.3. Engine electric equipment
+ 4. Cooling systems, heating
+ 5. Fuel, exhaust systems
+ 6. System of decrease in toxicity
+ 7. Transmissions
+ 8. Coupling and half shafts
+ 9. Brake system
+ 10. Suspension bracket and steering
+ 11. Body
+ 12. Electric equipment



3.1.2.1. Specifications

GENERAL INFORMATION

Working volume of cylinders:
  – engines of model 4T-FE
1,3 l (1332 cm3)
  – model 4A engines - FE
1,6 l (1587 cm3)
  – engines of model 7A-FE
1,8 l (1762 cm3)
Compression in cylinders (at 250 rpm):
  – nominal rate:
     • for engines of 1,3 l
from 11,1 kgfs/cm2
     • for l engines 1,6 and 1,8
11,5 kgfs/cm2
  – maximum permissible pressure of a compression
8,5 kgfs/cm2
Oil pressure (on the heated-up engine):
  – idling not less
0,25 kgfs/cm2
  – at 3000 rpm
2,1 – 4,3 kgfs/cm2

Head of the block of cylinders

Maximum permissible deformation of the demountable plane under laying of the block of cylinders
0,05 mm
Maximum permissible deformation of the demountable plane under the soaking-up and final collectors
0,10 mm

Block of cylinders


Maximum permissible deformation of the demountable plane with a head of cylinders
0,05 mm
Internal diameter of the cylinder, for engines of 1,3 l:
  – standard:
     • group 1
74,00 – 74,01 mm
     • group 2
74,01 – 74,02 mm
     • group 3
74,02 – 74,03 mm
  – limit
74,22 mm
Internal diameter of the cylinder, for l engines 1,6 and 1,8:
  – standard:
     • group 1
81,00 – 81,01 mm
     • group 2
81,01 – 81,02 mm
     • group 3
81,02 – 81,03 mm
  – limit
81,23 mm
Extreme conicity and ovality
0,02 mm

Valves and springs of valves

Valve head edge width:
  – standard
0,78 – 1,19 mm
  – limit
0,5 mm
Diameter of a core:
  – inlet valves
5,970 – 5,985 mm
  – final valves
5,965 – 5,980 mm
Gap between a core of the valve and the directing plug:
  – inlet valves:
     • standard
0,025 – 0,060 mm
     • limit
0,080 mm
  – inlet valves
     • standard
0,030 – 0,065 mm
     • limit
0,100 mm
Springs:
Maximum deviation from a vertical
2,00 mm
Valve spring length in a free state:
  – for l engines 1,6 and 1,8
42,40 mm
  – for engines of 1,3 l
39,85 mm
Crankshaft and rods:
Diameter of a conrod neck:
  – for l engines 1,3 and 1,6
39,98 – 40,00 mm
  – for engines of 1,8 l
47,99 – 48,00 mm
Extreme conicity and ovality
0,005 mm
Gap in radical bearings:
  – standard:
     • for engines of 1,3 l
0,015 – 0,048 mm
     • for engines of 1,6 l
0,020 – 0,050 mm
     • for engines of 1,8 l
0,020 – 0,043 mm
  – limit
0,078 mm
Axial side play of rods:
  – standard:
     • for engines of 1,3 l
0,15 – 0,35 mm
     • for l engines 1,6 and 1,8
0,15 – 0,25 mm
  – limit:
     • for engines of 1,3 l
0,45 mm
     • for l engines 1,6 and 1,8
0,30 mm
     • diameter of a radical neck:
  – for engines of 1,3 l
46,98 – 47,00 mm
  – for l engines 1,6 and 1,8
47,98 – 48,00 mm
Extreme conicity and ovality
0,020 mm
Gap in radical bearings:
  – standard
0,015 – 0,031 mm
  – limit
0,078 mm
Axial side play:
  – standard:
     • for engines of 1,3 l
0,020 – 0,20 mm
     • for l engines 1,6 and 1,8
0,15 – 0,22 mm
  – limit
0,30 mm
Thickness of persistent half rings
2,44 – 2,49 mm

Pistons and rings

Diameter of the piston
  – for engines of 1,3 l:
     • group 1
73,90 – 73,91 mm
     • group 2
73,91 – 73,92 mm
     • group 3
73,92 – 73,93 mm
  – for l engines 1,6 and 1,8:
     • group 1
80,90 – 80,91 mm
     • group 2
80,91 – 80,92 mm
     • group 3
80,92 – 80,93 mm
Gap between the piston and the cylinder:
  – standard
0,084 – 0,104 mm
  – limit
0,130 mm
Gap in a joint of piston rings, for engines of 1,3 l:
  – N1 ring (the top compression):
     • standard
0,26 – 0,36 mm
     • limit
0,95 mm
  – N2 ring (the lower compression):
     • standard
0,15 – 0,30 mm
     • limit
0,98 mm
Gap in a joint of piston rings, for l engines 1,6 and 1,8:
  – N1 ring (the top compression):
     • standard
0,25 – 0,35 mm
     • limit
1,04 mm
  – N2 ring (the lower compression):
     • standard
0,35 – 0,50 mm
     • limit
1,20 mm
Gap between a ring and a flute in the piston:
  – N1 ring (the top compression):
0,045 – 0,083 mm
  – N2 ring (the lower compression):
0,030 – 0,070 mm

The inhaling moments in (N. of m)
see also subsection 3.1.1.1.

Bolts of fastening of covers of radical bearings
54
Nuts and bolts of covers of conrod bearings:
  – for the engine of 1,3 l
35
  – for the engine of 1,6 l:
     • 1st stage of an inhaling
27
     • 2nd stage of an inhaling
to tighten on 90 °
  – for the engine of 1,8 l:
     • 1st stage of an inhaling
22
     • 2nd stage of an inhaling
to tighten on 90 °



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