Toyota 4 Runner/Hilux/Surf

1987-1998 of release

Repair and car operation



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



3.3.1. Specifications

GENERAL INFORMATION

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.