Toyota Land Cruiser + 1. Maintenance instruction + 2. Maintenance - 3. Engines + 3.1. Engines 2F and 3F-E + 3.2. Verkhneklapanny engine 1FZ-FE - 3.3. Dismantle and capital repairs of the engine 3.3.1. Technical characteristics 3.3.2. Diagnostics of the engine by means of the vacuum gage 3.3.3. Check of a compression 3.3.4. Dismantle of the power unit 3.3.5. Removal and installation of the engine 3.3.6. Alternatives of capital repairs + 3.3.7. Order of dismantling of the engine + 3.3.8. Engine assembly order 3.3.9. Launch of the engine after repair and a running in + 3.4. Engine electric equipment + 4. Cooling systems, heating + 5. Fuel and exhaust systems + 6. System of decrease in toxicity + 7. Transmission + 8. Brake system + 9. Suspension brackets and steering + 10. Body + 11. Electric equipment + 12. Electrical circuitries
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ENGINES 2F and 3F-E
(data for engines 3F-E are specified in brackets)
Compression: |
– standard |
9,8 kgfs/cm2 (9,8)
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– the greatest distinction of a compression in cylinders |
2,0 kgfs/cm2 (2,0)
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Oil pressure: |
– idling (600 rpm) |
not less than 0,28 kgfs/cm2 (0,28)
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– at 1600 rpm |
2,4 – 4,9 kgfs/cm2 (2,4 – 4,9)
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Block of cylinders: |
– internal diameter of the cylinder standard |
94,000 – 94,05 (94,000 – 94,03)
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– conicity and ovality |
no more than 0,02 (0,025)
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– maximum permissible deformation of the demountable plane |
0,15 (0,15)
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Head of cylinders and valves: |
Maximum permissible deformation of the demountable plane |
0,15 (0,15)
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Valve head corbel width (limit): |
– inlet |
0,80 (1,0)
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– final |
1,0 (1,2)
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Diameter of a core: |
– inlet valves |
7,970 – 7,985 (7,970 – 7,985)
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– final |
7,960 – 7,975 (7,960 – 7,975)
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Gap between a core of the valve and the directing plug |
Standard: |
– inlet |
0,030 – 0,060 (0,025 – 0,060)
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– final |
0,040 – 0,070 (0,035 – 0,070)
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Limit: |
– inlet |
0,10 (0,10)
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– final |
0,10 (0,12)
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Valve spring length: |
– in a free state |
51,5 (51,5)
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– established |
43,0 (43,0)
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Crankshaft and rods
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Conrod necks: |
– diameter |
53,98 – 54,00 (52,988 – 53,000)
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– a gap in conrod bearings
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0,02 – 0,06 (0,02 – 0,05)
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Axial side play of rods: |
– standard |
0,11 – 0,23 (0,16 – 0,30)
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– limit |
0,30 (0,40)
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Radical necks |
Diameter: |
– N 1 |
66,972 – 66,996 (66,972 – 66,996)
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– N 2 |
68,472 – 68,496 (68,472 – 68,496)
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– N 3 |
69,972 – 69,996 (69,972 – 69,996)
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– N 4 |
71,472 – 71,496 (71,472 – 71,496)
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Gap in conrod bearings |
0,020 – 0,044 (0,020 – 0,044)
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Axial side play of the crankshaft: |
– standard |
0,06 – 0,16 (0,015 – 0,204)
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– limit |
0,30 (0,30)
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Ovality and conicity |
no more than 0,1
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Pistons and rings: |
– diameter of the piston (standard) |
93,97 – 94,02 (93,96 – 93,99)
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– a gap between the piston and the cylinder |
0,03 – 0,05 (0,027 – 0,047)
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Gap in a joint of piston rings: |
– the top compression |
0,20 – 0,38 (0,20 – 0,42)
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– the lower compression |
0,20 – 0,38 (0,50 – 0,72)
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– in oil scraper (only for the engine 3F-E) |
0,200 – 0,820
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Gap between a ring and a flute in the piston: |
– the top compression |
0,03 – 0,06 (0,03 – 0,07)
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– the lower compression
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0,02 – 0,06 (0,05 – 0,09)
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* All sizes and gaps are specified in mm.
Inhaling moments (N. of m)*
Nuts of covers of conrod bearings |
67 (52)
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For engines 2F |
Bolts of covers of radical bearings: |
– N 1, 2, 3 |
130
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– N 4 |
114
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For engines 3F-E: |
– bolts with a head 19 |
121
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– bolts with a head 17 |
103
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* Cm also subsection 3.1.1.
ENGINES 1FZ-FE
Compression: |
– standard |
11,2 kgfs/cm2
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– the greatest distinction of a compression in cylinders |
2,0 kgfs/cm2
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Oil pressure: |
– idling (600 rpm) |
not less than 0,28 kgfs/cm2
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– at 1600 rpm |
2,4 – 4,9 kgfs/cm2
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Block of cylinders: |
– internal diameter of the cylinder (standard) |
100,000 – 100,010
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– conicity and ovality |
no more than 0,025
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– maximum permissible deformation of the demountable plane |
0,15
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Head of cylinders and valves |
Maximum permissible deformation of the demountable plane |
0,15
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Valve head corbel width (limit): |
– inlet |
1,0
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– final
|
1,0
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Diameter of a core: |
– inlet valves |
6,970 – 6,985
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– final |
6,965 – 6,980
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Gap between a core of the valve and the directing plug: |
– standard: |
• inlet
|
0,025 – 0,060
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• final |
0,030 – 0,065
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– limit: |
• inlet |
0,08
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• final |
0,10
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Valve spring length: |
– in a free state |
43,94 – 45,06
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– established |
38,5
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Crankshaft and rods |
Conrod necks: |
– diameter |
56,982 – 57,000
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– a gap in conrod bearings |
0,032 – 0,050
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Axial side play of rods: |
– standard |
0,160 – 0,262
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– limit |
0,362
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Radical necks: |
– diameter |
68,982 – 69,000
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– a gap in bearings |
0,042 – 0,060
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Axial side play of the crankshaft: |
– standard |
0,020 – 0,22
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– limit |
0,30
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Ovality and conicity |
no more than 0,02
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Pistons and rings |
Diameter of the piston (standard): |
– group 1 |
99,950 – 99,960
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– group 2 |
99,960 – 99,970
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– group 3 |
99,970 – 99,980
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Gap between the piston and the cylinder |
0,04 – 0,06
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Gap in a joint of piston rings: |
– the top compression |
0,30 – 0,52
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– the lower compression |
0,45 – 0,67
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– in oil scraper |
0,15 – 0,52
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Gap between a ring and a flute in the piston: |
– the top compression |
0,04 – 0,08
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– the lower compression |
0,03 – 0,07
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Inhaling moments (N. of m)*
Oil nozzles |
22
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Bolts of covers of radical bearings: |
– 1st stage |
66
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– 2nd stage |
to tighten on a corner 90 °
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Nuts of covers of conrod bearings: |
– 1st stage |
43
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– 2nd stage |
to tighten on a corner 90 °
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* See also subsection 3.2.1.
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