Toyota 4Раннер
+ 1. Maintenance instruction
+ 2. Maintenance
- 3. Engines
+ 3.1. 4-cylinder engines
+ 3.2. Engines of V6 3,0 l (1993-1994) and 3,4 l (since 1995)
- 3.3. Dismantle and major maintenance of the engine
3.3.1. Specifications
+ 3.3.2. Major maintenance
3.3.3. Engine diagnostics by means of the vacuum gage
3.3.4. Compression check in engine cylinders
+ 3.3.5. Dismantle of the power unit
+ 3.3.6. Head of cylinders
3.3.7. Valves
3.3.8. Shatunno-porshnevaya group
+ 3.3.9. Crankshaft
3.3.10. Block of cylinders
3.3.11. Honningovaniye of cylinders
+ 3.3.12. Rods and pistons
3.3.13. Radical and shatunny bearings
3.3.14. Balansirnye shaft
3.3.15. Assembly order
3.3.16. Piston rings
3.3.17. Engine start-up after repair and a running in
+ 4. Systems of heating, ventilation
+ 5. Fuel and exhaust systems
+ 6. Transmissions
+ 7. Transmission elements
+ 8. Brake system
+ 9. Suspension bracket and steering
+ 10. Body
+ 11. Electric equipment
+ 12. Electroschemes
|
4-cylinder engines 2,4 and 2,7 of l
All sizes and gaps are specified in mm.
| Compression (at 250 rpm):
|
| – the standard |
11,7 kgfs/cm2
|
| – the limiting |
8,4 kgfs/cm2
|
| – the greatest distinction of a compression in cylinders |
1,9 kgfs/cm2
|
| Pressure of oil:
|
| – idling (600 rpm) |
not less than 0,25 kgfs/cm2
|
| – at 3000 rpm |
2,1-4,3 kgfs/cm2
|
| Block of cylinders
|
| Maximum permissible deformation of the demountable plane |
0,05 mm
|
| Internal diameter of the cylinder:
|
| – the standard |
94,900-95,003
|
| – the limiting |
95,06
|
| – konusnost and ovality |
no more than 0,025
|
| Head of cylinders and valves
|
| Maximum permissible deformation of the demountable plane |
0,05 mm
|
| Width of a corbel of a head of the valve (standard):
|
| – the inlet |
1,0
|
| – the final |
1,0
|
| Width of a corbel of a head of the valve (limiting):
|
| – the inlet |
0,5
|
| – the final |
0,5
|
| Diameter of a core:
|
| – the inlet |
5,970-5,985
|
| – the final |
5,965-5,980
|
| Gap between a core of the valve and the directing plug
|
| – the standard:
|
| • the inlet |
0,025-0,060
|
| • the final |
0,030-0,065
|
| – the limiting:
|
| • the inlet |
0,08
|
| • the inlet |
0,10
|
| Length of a spring of the valve
|
| – in a free condition |
43,94-45,06
|
| – in the established |
37,5
|
| Crankshaft and rods
|
| Shatunnye of a neck:
|
| – diameter |
52,987-53,000
|
| – a gap in shatunny bearings |
0,030-0,055
|
| Axial люфт rods:
|
| – the standard |
0,160-0,312
|
| – the limiting |
0,35
|
| Radical necks 1,2,4 and 5:
|
| – diameter |
59,987-60,000
|
| – a gap in bearings |
0,024-0,049
|
| Neck 3
|
| – diameter |
59,981-59,994
|
| – gap |
0,030-0,055
|
| Axial люфт crankshaft:
|
| – the standard |
0,020-0,22
|
| – the limiting |
0,30
|
| Ovality and konusnost |
no more than 0,005
|
| Pistons and rings
|
| Diameter of the piston (standard):
|
| – 2,4 l |
94,923-94,933
|
| – 2,7 l |
94,933-94,943
|
| Gap between the piston and the cylinder:
|
| – 2,4 l |
0,057-0,080
|
| – 2,7 l |
0,047-0,70
|
| Gap in a joint of piston rings:
|
| – N1 ring (top kompressionny):
|
| • the standard |
0,300-0,400
|
| • the limiting |
0,40
|
| – N2 ring (bottom kompressionny):
|
| • standard from well-aimed "T" |
0,400-0,500
|
| • standard from well-aimed "N" |
0,400-0,500
|
| • the limiting |
0,50
|
| Gap between a ring and a flute in the piston:
|
| – N1 ring (top kompressionny):
|
| • the standard |
0,020-0,070
|
| • the limiting |
0,070
|
| – N2 ring (bottom kompressionny):
|
| • the standard |
0,030-0,070
|
| • the limiting |
0,070
|
| Balansirnye shaft
|
| Axial люфт:
|
| – the standard |
0,07-0,13
|
| – the limiting |
0,2
|
Inhaling moments (N of m)*
| Oil nozzles of the crankshaft |
15
|
| Bolts of a cover of a balansirny shaft |
16
|
| Bolt of a gear wheel of a balansirny shaft |
22
|
| Nut of a natyazhitel of a balansirny shaft |
16
|
| Bolts of an uspokoitel of N3 |
16
|
| Bolts of an uspokoitel of N2 |
25
|
| Bolts of covers of radical bearings:
|
| – 1st stage |
36
|
| – 2nd stage |
to tighten on 90 °
|
| Nuts of covers of shatunny bearings:
|
| – 1st stage |
40
|
| – 2nd stage |
to tighten on 90 °
|
* see also subsection 3.1.1.
6-cylinder engines with volume of 3,0 and 3,4 l
In brackets 3,4 l given for the engine are specified, all sizes and gaps are specified in mm.
| Compression (at 250 rpm)
|
| – the standard |
11,2 kgfs/cm2 (14)
|
| – the limiting |
9,2 kgfs/cm2 (9,5)
|
| Pressure of oil (on the heated-up engine):
|
| – at 3000 rpm |
2,3-4,4 kgfs/cm2</ | |