Toyota Corolla

1992-1998 of release

Repair and car operation



Toyota Corolla
+ 1. Maintenance instruction
+ 2. Maintenance
- 3. Engines
   - 3.1. Petrol engines
      + 3.1.1. Repair work without engine dismantle from the car
      - 3.1.2. Dismantle and major maintenance
         3.1.2.1. Specifications
         3.1.2.2. Engine diagnostics by means of a vakuumer
         3.1.2.3. Compression check in engine cylinders
         + 3.1.2.4. Dismantle of the power unit - methods and safety measures
         3.1.2.5. Alternatives of major maintenance 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. Crankshaft dismantle
         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. Engine start-up after repair and a running in
   + 3.2. Diesel engine
   + 3.3. Engine electric equipment
+ 4. Systems of cooling, heating
+ 5. Fuel, exhaust systems
+ 6. System of decrease in toxicity
+ 7. Transmissions
+ 8. Coupling and semi-axes
+ 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
Pressure of oil (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 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 limiting
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 limiting
81,23 mm
Limiting konusnost and ovality
0,02 mm

Valves and springs of valves

Width of an edge of a head of the valve:
  – the standard
0,78-1,19 mm
  – the limiting
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 limiting
0,080 mm
  – inlet valves
     • the standard
0,030-0,065 mm
     • the limiting
0,100 mm
Springs:
Maximum deviation from a vertical
2,00 mm
Length of a spring of the valve in a free condition:
  – 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
Limiting konusnost 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 limiting
0,078 mm
Axial люфт 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 limiting:
     • 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
Limiting konusnost and ovality
0,020 mm
Gap in radical bearings:
  – the standard
0,015-0,031 mm
  – the limiting
0,078 mm
Axial люфт:
  – 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 limiting
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 limiting
0,130 mm
Gap in a joint of piston rings, for engines of 1,3 l:
  – N1 ring (top kompressionny):
     • the standard
0,26-0,36 mm
     • the limiting
0,95 mm
  – N2 ring (bottom kompressionny):
     • the standard
0,15-0,30 mm
     • the limiting
0,98 mm
Gap in a joint of piston rings, for l engines 1,6 and 1,8:
  – N1 ring (top kompressionny):
     • the standard
0,25-0,35 mm
     • the limiting
1,04 mm
  – N2 ring (bottom kompressionny):
     • the standard
0,35-0,50 mm
     • the limiting
1,20 mm
Gap between a ring and a flute in the piston:
  – N1 ring (top kompressionny):
0,045-0,083 mm
  – N2 ring (bottom kompressionny):
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 °