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 (2,3 – 4,4)
|
| – idling |
not less than 0,25 kgfs/cm2
(not less than 0,25)
|
| Head of cylinders and valves
|
| Maximum permissible deformation of the demountable plane |
0,10 (0,10)
|
| Klapanny mechanism
|
| Width of a corbel of a head of the valve:
|
| – the standard |
1,5
|
| – the limiting |
1,3
|
| Diameter of a core:
|
| – the inlet |
7,970-7,985 (5,970 – 5,985)
|
| – the final |
7,965-7,980 (5,965 – 5,980)
|
| Gap between a core of the valve and the directing plug:
|
| – the inlet:
|
| • the standard |
0,025-0,060 (0,025 – 0,060)
|
| • the limiting |
0,08 (0,08)
|
| – the final:
|
| • the standard |
0,030-0,065 (0,030 – 0,065)
|
| • the limiting |
0,10 (0,10)
|
| Valve spring:
|
| – a deviation from a vertical |
1,23 (2,0)
|
| – length in a free condition |
47,01 (44,78)
|
| – length in the established condition |
40,0 (33,3)
|
| Pushers:
|
| External diameter |
37,922-37,932
(30,966-30,976)
|
| Gap in pushers |
37,960-37,975
(31,000-31,018)
|
| – the standard |
0,028-0,053
(0,024-0,052)
|
| – the limiting |
0,10 (0,08)
|
| Crankshaft and rods
|
| Shatunnye of a neck:
|
| – diameter |
54,987-55,000
(54,987-55,000)
|
| – ovality and konusnost |
0,02 (0,02)
|
| Gap in shatunny bearings:
|
| – the standard |
0,024-0,053 (0,020 – 0,038)
|
| – the limiting |
0,08 (0,08)
|
| Axial люфт rods:
|
| – the standard |
0,15-0,33 (0,150 – 0,330)
|
| – the limiting |
0,38 (0,38)
|
| Radical necks:
|
| – diameter |
63,996-64,000
(63,985-64,000)
|
| – ovality and konusnost |
0,02 (0,02)
|
| Gap in radical bearings:
|
| – the standard |
0,024-0,042
(in a neck N1 0,020 – 0,038, in other necks 0,024 – 0,042)
|
| – limiting, 0,08 |
(in a neck N1 0,08, in other necks 0,08)
|
| Axial люфт crankshaft:
|
| – the standard |
2,44-2,49 (0,020 – 0,220)
|
| – the limiting |
0,30 (0,30)
|
| Thickness of a persistent washer |
2,44-2,49 (to 0,038)
|
| Block of cylinders
|
| Deformation of the demountable plane |
0,05 (0,05)
|
| Internal diameter of the cylinder (standard):
|
| – group 1 |
87,500-87,510
(93,500-93,510)
|
| – group 2 |
87,511-87,520
(93,510-93,520)
|
| – group 3 |
87,521-87,530
(93,520-93,530)
|
| Pistons and rings
|
| Diameter of the piston (standard):
|
| – group 1 |
87,360-87,370
(93,356-93,366)
|
| – group 2 |
87,370-87,380
(93,367-93,376)
|
| – group 3 |
87,381-87,390
(93,377-93,386)
|
| Gap between the piston and the cylinder:
|
| – the standard |
0,13-0,15 (0,134 – 0,154)
|
| – the limiting |
0,17 (0,174)
|
| Gap in a joint of piston rings:
|
| – N1 ring (top kompressionny):
|
| • the standard |
0,23-0,33 (0,30 – 0,50)
|
| • the limiting |
0,83 (1,10)
|
| – N2 ring (bottom kompressionny):
|
| • the standard |
0,38-0,48 (0,40 – 0,60)
|
| • the limiting |
0,90 (1,20)
|
| – maslosjemny ring:
|
| • the standard |
0,15-0,40 (0,15 – 0,55)
|
| • the limiting |
0,90 (1,20)
|
| Gap between a ring and a flute in the piston:
|
| – engines of 3,0 l till 1993:
|
| • the standard |
0,03-0,07
|
| • the limiting |
0,20
|
| – engines of 3,0 l of 1994:
|
| • N1 ring (top kompressionny) |
0,02-0,06
|
| • N2 ring (bottom kompressionny) |
0,03-0,07
|
| • limiting (for both rings) |
0,20
|
| – engines of 3,4 l:
|
| • N1 ring (top kompressionny) |
0,04-0,08
|
| • N2 ring (bottom kompressionny) |
0,03-0,07
|
| • limiting (for both rings) |
0,20
|
Inhaling moments (N of m)*
| Bolts of covers of radical bearings:
|
| – 1st stage |
54 (54)
|
| – 2nd stage |
to tighten on 90 ° (90 °)
|
| Nuts of shatunny covers:
|
| – 1st stage |
22 (22)
|
| – 2nd stage |
to tighten on 90 ° (90 °)
|
* cм. also subsection 3.2.1. |
|