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
|
| 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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