Tojota Lend Kruzer, Amazon, Leksus LX470
+ Identification numbers of the car
+ Controls and receptions of safe operation of the car
+ Options and car routine maintenance
- The engine
+ Typical procedures of service of engines
+ Procedures of service of the petrol engine
+ Procedures of service of the diesel engine
+ Systems of cooling of the engine, salon and air conditioning heating
+ The power supply system and release of the fulfilled gases
+ Engine electric equipment
+ Control systems of the engine and decrease in toxicity of the fulfilled gases
+ Gear change box
+ Transmissionnaja line
+ Brake system
+ Suspension bracket and steering
+ Body
+ Onboard electric equipment
|
The engine Specifications
Procedures of service of the engine, its not demanding extraction from the car
The general parametres
The characteristic |
Value |
Designation of engines |
|
8-cylinder (V8) the petrol engine of 4.7 l |
2UZ–FE |
6-cylinder (R6) the turbodiesel engine of 4.2 l |
1HD–FTE |
Engine volume, l (sm 3) |
|
The petrol engine 2UZ–FE |
4.7 (4663) |
The diesel engine 1HD–FTE |
4.2 (4164) |
Developed capacity and twisting moment, кВт@мин–1/Nm@min–1 |
|
The petrol engine 2UZ–FE |
173@4800/434@3400 |
The diesel engine 1HD–FTE |
150@3400/430@1400 – 3200 |
Numbering of cylinders (considering from outside drive ГРМ) (address to an accompanying illustration in Specifications to the Head of Adjustment and car routine maintenance) |
|
The engine 2UZ–FE |
|
The left number of cylinders |
1–3–5–7 |
The right number |
2–4–6–8 |
The engine 1HD–FTE |
1–2–3–4–5–6 |
Ignition order |
|
The engine 2UZ–FE |
1–8–4–3–6–5–7–2 |
The engine 1HD–FTE |
1–4–2–6–3–5 |
Compression degree |
|
The engine 2UZ–FE |
9.6:1 |
The engine 1HD–FTE |
18.8:1 |
Material of the block of cylinders |
Pig-iron |
Head material (ок) cylinders |
|
The engine 2UZ–FE |
Aluminium |
The engine 1HD–FTE |
Pig-iron |
Limiting admissible неплоскостность |
|
The engine 1HD–FTE |
|
Head of cylinders |
0.10 |
The inlet pipeline |
0.15 |
Final collectors |
0.50 |
The block of cylinders |
0.07 |
Diameter of bolts of fastening of heads of cylinders of the engine 2UZ–FE on distance of 80 mm from their heads, not less, than mm |
|
Rating value |
9.810 ÷ 9.960 |
Maximum permissible value |
9.700 |
Diameter of an extensible part of bolts of fastening of covers of bearings of cranked shaft of the engine 2UZ–FE, not less, than mm |
|
Rating value |
10.760 ÷ 10.970 |
Maximum permissible value |
10.400 |
Pressure of oil at 3000 rpm, a bar |
|
The engine 2UZ–FE |
3.0 х 6.0 |
The engine 1HD–FTE |
2.5 х 6.1 |
Diameter of cylinders х a piston stroke, mm |
|
The engine 2UZ–FE |
94 х 84 |
The engine 1HD–FTE |
94 х 100 |
Compression degree |
|
The engine 2UZ–FE |
9.6:1 |
The engine 1HD–FTE |
18.8:1 |
Camshafts and accompanying components
The characteristic |
Value |
Diameter подшипниковых necks, mm |
|
2UZ–FE |
26.954 ÷ 26.970 |
1HD–FTE |
|
Neck №1 |
34.969 ÷ 34.985 |
Other necks |
27.986 ÷ 27.998 |
Backlashes in bearings, mm |
|
2UZ–FE |
|
Rating value |
0.030 ÷ 0.067 |
Maximum permissible value |
0.10 |
1HD–FTE |
|
Rating value |
|
Neck №1 |
0.022 ÷ 0.074 |
Other necks |
0.023 ÷ 0.075 |
Maximum permissible value |
0.100 |
Height of cams, mm |
|
2UZ–FE |
|
Rating value |
|
Cams of a drive of inlet valves |
41.94 ÷42.04 |
Cams of a drive of final valves |
41.96 ÷ 42.06 |
Maximum permissible value |
|
Cams of a drive of inlet valves |
41.79 |
Cams of a drive of final valves |
41.91 |
1HD–FTE |
|
Rating value |
|
Cams of a drive of inlet valves |
48.498 ÷ 48.598 |
Cams of a drive of final valves |
50.734 ÷ 50.834 |
Maximum permissible value |
|
Cams of a drive of inlet valves |
47.998 |
Cams of a drive of final valves |
50.234 |
Size axial люфта, mm |
|
2UZ–FE |
|
Rating value |
|
Inlet shaft |
0.040 ÷ 0.090 |
Final shaft |
0.040 ÷ 0.085 |
Maximum permissible value |
0.12 |
1HD–FTE |
|
Rating value |
0.10 ÷ 0.20 |
Maximum permissible value |
0.30 |
Люфт gearings of gear wheels of camshafts, mm |
|
2UZ–FE |
|
Rating value |
0.020 ÷ 0.200 |
Maximum permissible value |
0.30 |
Free length of rupture the lock of a spring of a gear wheel of a camshaft |
|
2UZ–FE |
18.2 ÷ 18.8 |
Limiting admissible size of lateral palpation of an average neck, mm |
|
2UZ–FE |
0.08 |
1HD–FTE |
0.10 |
Size выступания натяжителя газораспределительного a belt, mm |
|
2UZ–FE |
10.5 ÷ 11.5 |
1HD–FTE |
9.0 ÷ 9.8 |
Parametres of hydropushers of valves, mm |
|
2UZ–FE |
|
External diameter |
30.966 ÷ 30.976 |
Diameter of a landing nest |
31.000 ÷ 31.016 |
Landing backlash |
|
Rating value |
0.024 ÷ 0.050 |
Limiting admissible value |
0.07 |
1HD–FTE |
|
External diameter |
40.892 ÷ 40.902 |
Diameter of a landing nest |
40.960 ÷ 40.980 |
Landing backlash |
|
Rating value |
0.058 ÷ 0.083 |
Limiting admissible value |
0.10 |
Efforts of a tightening of carving connections, Nanometer
The petrol engine (2UZ–FE)
Connection type |
Value |
Bolts of fastening of covers of heads of cylinders |
6 |
Bolts/nuts of fastening of the inlet pipeline |
18 |
Nuts of fastening of final collectors |
44 |
Nuts of fastening of a reception pipe to a collector |
62 |
Bolts of fastening of the heat-shielding screen |
7.5 |
Bolt of fastening of a pulley of a cranked shaft |
245 |
Bolts of fastening of a cover №2 drives ГРМ |
16 |
Bolts of fastening of a cover №3 drives ГРМ |
7.5 |
Bolts of fastening intermediate роликов* |
35 |
Bolt (106 mm) and fastening nuts натяжителя приводного a belt |
16 |
Fastening bolts натяжителя газораспределительного a belt |
26 |
Bolts of fastening of cogwheels of camshafts |
108 |
Bolts of fastening of an arm of the fan |
|
Bolts of 12 mm |
16 |
Bolts of 14 mm |
32 |
Bolts of fastening of covers of bearings of camshafts |
|
Bolts of 25 mm |
7.5 |
Other bolts |
16 |
Bolts of fastening of heads of cylinders |
|
Stage 1 |
32 |
Stage 2 |
To hold on on 90 hailstones. |
Stage 3 |
To hold on on 90 hailstones. |
Bolts of fastening of the top part of the pallet картера |
|
Bolts of 10 mm |
7.5 |
Bolts of 12 mm |
28 |
Bolts of fastening of the top part of the pallet картера |
7.5 |
Fastening bolts маслозаборника |
7.5 |
Fastening bolts демпфирующей plates |
7.5 |
Coupling bolts of the oil pump |
10 |
Bolts of fastening of the oil pump |
|
Bolts of 14 mm |
30 |
Other bolts |
15 |
Bolts of fastening of pump GUR |
17 |
Fixture маслоохладителя |
18 |
Fastening bolts маховика* |
83 |
Fastening bolts приводного диска* |
|
Stage 1 |
49 |
Stage 2 |
To hold on on 90 hailstones. |
Engine mount support |
|
Bolts of fastening of the holder of a back epiploon of a cranked shaft |
7.8 |
* Before вворачиванием a bolt it is necessary to grease its carving part with fixing hermetic Loctite 242. |
The diesel engine (1HD–FTE)
Connection type |
Value |
Bolts of fastening of a head of cylinders |
|
Stage 1 |
69 |
Stage 2 |
To hold on on 90 hailstones. |
Stage 3 |
To hold on on 90 hailstones. |
Bolts of fastening of covers of bearings of camshafts |
25 |
Bolts of fastening of a back cover of a belt of drive ГРМ |
20 |
Bolts of fastening of covers of heads of cylinders |
6.5 |
Fixture of a back arm of the engine |
39 |
Bolts of fastening of assemblage of a final collector |
40 |
Bolts of fastening of a branch pipe of tap ОЖ |
20 |
Nuts of fastening of the inlet pipeline |
20 |
Fixture of fuel tubes of a high pressure |
25 |
Fixture of an inlet branch pipe to the inlet pipeline |
|
Models with system EGR |
19.6 |
Models without system EGR |
|
With heads of 10 mm |
7.5 |
With heads of 12 mm |
20 |
Nuts of fastening of the adapter of valve EGR to a final collector |
40 |
Bolts of fastening of an arm of valve EGR |
20 |
Bolts of fastening of the bottom cover of a rod |
|
Stage 1 |
37 |
Stage 2 |
To hold on on 90 hailstones. |
Bolts of fastening of covers of radical bearings of a cranked shaft |
|
Stage 1 |
103 |
Stage 2 |
To hold on on 90 hailstones. |
Camshaft cogwheel |
|
The conducted |
98 |
The conducting |
31 |
Gear wheel of drive ТНВД |
98 |
Intermediate gear wheel |
68 |
Pulley of a cranked shaft |
430 |
Bolts of fastening of a cover of cogwheels |
20 |
Nuts of fastening of a cover of the oil pump |
39 |
Fastening bolts маслопровода |
20 |
Stopper редукционного the valve of the oil pump |
42 |
Jellied stopper of the oil pump |
9 |
The return valve маслоохладителя |
27 |
Safety valve маслоохладителя |
39 |
Nuts of fastening of a cover маслоохладителя |
20 |
Fixture маслоохладителя |
20 |
Procedure of the general and engine major repairs (the petrol engine 2UZ–FE)
The general parametres
The characteristic |
Value |
Kompressionnoe pressure in cylinders at 250 rpm, kgs/sm 2 |
|
Rating value
|
13.44 |
The minimum admissible value
|
9.94 |
Admissible difference компрессионного pressure in different cylinders at 250 rpm, kgs/sm 2 |
No more than 0.98 |
The klapannyj mechanism
The characteristic |
Value |
Height of a cylindrical part (corbel) of plates of valves, mm |
|
Rating value |
|
Inlet valves |
1.25 |
Final valves |
1.4 |
Limiting admissible value |
0.5 |
Diameter of cores of valves, mm |
|
Inlet valves |
5.470 ÷ 5.485 |
Final valves |
5.465 ÷ 5.480 |
Backlash of landing of cores of valves in directing plugs, mm |
|
Inlet valves |
|
Rating value |
0.025 ÷ 0.060 |
Limiting admissible value |
0.08 |
Final valves |
|
Rating value |
0.030 ÷ 0.065 |
Limiting admissible value |
0.10 |
Valve facet, hailstones |
44.5 |
Full length of the valve, mm |
|
Inlet valves |
|
Rating value | 95.05 |
Radical necks of a cranked shaft |
|
Diameter of bed of a cranked shaft, mm |
|
Label «1» |
71.000 ÷ 71.003 |
Label «2» |
71.006 ÷ 71.012 |
Label «3» |
71.012 ÷ 71.018 |
Diameter of radical necks, mm |
|
Label «1» |
66.994 ÷ 67.000 |
Label «2» |
66.988 ÷ 66.994 |
Label «3» |
66.982 ÷ 66.988 |
Thickness of loose leaves of radical bearings, mm |
|
Label «2» |
1.979 ÷ 1.982 |
Label «3» |
1.982 ÷ 1.985 |
Label «4» |
1.985 ÷ 1.988 |
Label «5» |
1.988 ÷ 1.991 |
Label «6» |
1.991 ÷ 1.994 |
Working backlash in bearings, mm |
|
Rating value |
0.036 ÷ 0.054 |
The repair size |
0.037 ÷ 0.077 |
Limiting admissible working value |
0.100 |
Axial люфт a cranked shaft, mm |
|
Rating value |
0.040 ÷ 0.240 |
Limiting admissible working value |
0.30 |
Thickness of the repair persistent bearing, mm |
2.930 ÷ 2.980 |
The block and head of cylinders
The characteristic |
Value |
Diameter of the cylinder, mm |
|
The nominal |
|
Label «1» |
94.000 ÷ 94.010 |
Label «2» |
94.010 ÷ 94.020 |
Label «3» |
94.020 ÷ 94.030 |
The admissible |
|
Before 1st repair |
94.23 |
Before 2nd repair |
94.73 |
Diameter of drilling under directing plug of the valve, mm |
|
The nominal |
11.504 ÷ 11.525 |
The repair |
11.554 ÷ 11.575 |
Internal diameter of the directing plug, mm |
7.010 ÷ 7.030 |
Plug ledge, mm |
17.5 ÷ 17.9 |
Pistons and piston rings
The characteristic |
Value |
Diameter of the piston (rating value), mm |
|
Label «1» |
93.845 ÷ 93.855 |
Label «2» |
93.855 ÷ 93.865 |
Label «3» |
93.865 ÷ 93.875 |
Ledge of the piston from the block of cylinders, mm |
0.175 ÷ 0.425 |
Backlash of landing of pistons in cylinders, mm |
|
Rating value |
0.145 ÷ 0.165 |
Limiting admissible working value |
0.215 |
Backlashes in locks of piston rings, mm |
|
Top компрессионное a ring |
|
Rating value |
0.27 ÷ 0.47 |
Limiting admissible value |
0.85 |
The second компрессионное a ring |
|
Rating value |
0.40 ÷ 0.65 |
Limiting admissible value |
0.90 |
Maslosemnoe ring |
|
Rating value |
0.20 ÷ 0.50 |
Limiting admissible value |
0.88 |
Backlashes of landing of rings in flutes of pistons, mm |
|
Top компрессионное a ring |
0.050 ÷ 0.095 |
The second компрессионное a ring |
0.050 ÷ 0.100 |
Maslosemnoe ring |
0.030 ÷ 0.070 |
As much as possible admissible backlash |
0.20 |
|
|