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. Shatunno-porshnevaya 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. Cranked shaft
         3.1.2.14. Radical and shatunny bearings
         3.1.2.15. Engine assembly order
         3.1.2.16. Piston rings
         3.1.2.17. Installation of a cranked shaft and check of gaps of radical bearings
         3.1.2.18. Back epiploon
         3.1.2.19. Installation of shatunno-piston group
         3.1.2.20. Start-up of the engine after repair and a running in
   + 3.2. Diesel engine
   + 3.3. Electric equipment of the engine
+ 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:
  – model 4T-FE engines
1,3 l (1332 cm3)
  – model 4A engines - FE
1,6 l (1587 cm3)
  – model 7A-FE engines
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:
  – the standard:
     • group 1
74,00 – 74,01 mm
     • group 2
74,01 – 74,02 mm
     • group 3
74,02 – 74,03 mm
  – the limit
74,22 mm
Internal diameter of the cylinder, for l engines 1,6 and 1,8:
  – the standard:
     • group 1
81,00 – 81,01 mm
     • group 2
81,01 – 81,02 mm
     • group 3
81,02 – 81,03 mm
  – the limit
81,23 mm
Limit conicity and ovality
0,02 mm

Valves and springs of valves

Valve head edge width:
  – the standard
0,78 – 1,19 mm
  – the 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:
     • the standard
0,025 – 0,060 mm
     • the limit
0,080 mm
  – inlet valves
     • the standard
0,030 – 0,065 mm
     • the 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 shatunny 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
Limit conicity and ovality
0,005 mm
Gap in radical bearings:
  – the 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
  – the limit
0,078 mm
Axial side play of rods:
  – the 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
  – the 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
Limit conicity and ovality
0,020 mm
Gap in radical bearings:
  – the standard
0,015 – 0,031 mm
  – the limit
0,078 mm
Axial side play:
  – the 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
  – the 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:
  – the standard
0,084 – 0,104 mm
  – the limit
0,130 mm
Gap in a joint of piston rings, for engines of 1,3 l:
  – N1 ring (top compression):
     • the standard
0,26 – 0,36 mm
     • the limit
0,95 mm
  – N2 ring (lower compression):
     • the standard
0,15 – 0,30 mm
     • the limit
0,98 mm
Gap in a joint of piston rings, for l engines 1,6 and 1,8:
  – N1 ring (top compression):
     • the standard
0,25 – 0,35 mm
     • the limit
1,04 mm
  – N2 ring (lower compression):
     • the standard
0,35 – 0,50 mm
     • the limit
1,20 mm
Gap between a ring and a flute in the piston:
  – N1 ring (top compression):
0,045 – 0,083 mm
  – N2 ring (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 shatunny 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 °