Toyota Land Cruiser, Amazon, Lexus LX470 + Identification numbers of the car + Governing bodies and methods of safe operation of the car + Settings and routine maintenance of the car - Engine + Typical procedures of service of engines + Procedures of service of the petrol engine + Procedures of service of the diesel engine + Cooling systems of the engine, heating of salon and air conditioning + A power supply system and production of the fulfilled gases + Engine electric equipment + Control systems of the engine and decrease in toxicity of the fulfilled gases + Gear shifting box + Transmission line + Brake system + Suspension bracket and steering + Body + Onboard electric equipment
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Engine Specifications
Procedures of service of the engine, its not demanding extraction from the car
General parameters
Characteristic |
Value |
Designation of engines |
|
8-cylinder (V8) petrol engine of 4.7 l |
2UZ–FE |
6-cylinder (R6) turbodiesel engine of 4.2 l |
1HD–FTE |
Engine displacement, l (cm 3) |
|
Petrol engine 2UZ-FE |
4.7 (4663) |
Diesel engine 1HD-FTE |
4.2 (4164) |
The developed power and torque, кВт@мин –1 / Nm@min –1
|
|
Petrol engine 2UZ-FE |
173@4800/434@3400 |
Diesel engine 1HD-FTE |
150@3400/430@1400 – 3200 |
Numbering of cylinders (reading out from the party of the GRM drive) (address an accompanying illustration in Specifications to the Head Nastroyki and routine maintenance of the car) |
|
Engine 2UZ-FE |
|
Left number of cylinders |
1–3–5–7 |
Right row |
2–4–6–8 |
Engine 1HD-FTE |
1–2–3–4–5–6 |
Ignition order |
|
Engine 2UZ-FE |
1–8–4–3–6–5–7–2 |
Engine 1HD-FTE |
1–4–2–6–3–5 |
Extent of compression |
|
Engine 2UZ-FE |
9.6:1 |
Engine 1HD-FTE |
18.8:1 |
Material of the block of cylinders |
Cast iron |
Material of a head(s) of cylinders |
|
Engine 2UZ-FE |
Aluminum |
Engine 1HD-FTE |
Cast iron |
Extreme admissible not planeness |
|
Engine 1HD-FTE |
|
Head of cylinders |
0.10 |
Inlet pipeline |
0.15 |
Final collectors |
0.50 |
Block of cylinders |
0.07 |
Diameter of bolts of fastening of heads of cylinders of the engine 2UZ-FE at distance of 80 mm from their heads, not less, than a mm |
|
Nominal rate |
9.810 ÷ 9.960 |
Maximum permissible value |
9.700 |
Diameter of an extensible part of bolts of fastening of covers of bearings of bent shafts of the engine 2UZ-FE, not less, than a mm |
|
Nominal rate |
10.760 ÷ 10.970 |
Maximum permissible value |
10.400 |
Oil pressure at 3000 rpm, bar |
|
Engine 2UZ-FE |
3.0 x 6.0 |
Engine 1HD-FTE |
2.5 x 6.1 |
Diameter of cylinders x piston stroke, mm |
|
Engine 2UZ-FE |
94 x 84 |
Engine 1HD-FTE |
94 x 100 |
Extent of compression |
|
Engine 2UZ-FE |
9.6:1 |
Engine 1HD-FTE |
18.8:1 |
Camshafts and the accompanying components
Characteristic |
Value |
Diameter of bearing necks, mm |
|
2UZ–FE |
26.954 ÷ 26.970 |
1HD–FTE |
|
Neck No. 1 |
34.969 ÷ 34.985 |
Other necks |
27.986 ÷ 27.998 |
Gaps in bearings, mm |
|
2UZ–FE |
|
Nominal rate |
0.030 ÷ 0.067 |
Maximum permissible value |
0.10 |
1HD–FTE |
|
Nominal rate |
|
Neck No. 1 |
0.022 ÷ 0.074 |
Other necks |
0.023 ÷ 0.075 |
Maximum permissible value |
0.100 |
Height of cams, mm |
|
2UZ–FE |
|
Nominal rate |
|
Cams of the drive of inlet valves |
41.94 ÷42.04 |
Cams of the drive of final valves |
41.96 ÷ 42.06 |
Maximum permissible value |
|
Cams of the drive of inlet valves |
41.79 |
Cams of the drive of final valves |
41.91 |
1HD–FTE |
|
Nominal rate |
|
Cams of the drive of inlet valves |
48.498 ÷ 48.598 |
Cams of the drive of final valves |
50.734 ÷ 50.834 |
Maximum permissible value |
|
Cams of the drive of inlet valves |
47.998 |
Cams of the drive of final valves |
50.234 |
Size of an axial side play, mm |
|
2UZ–FE |
|
Nominal rate |
|
Inlet shaft |
0.040 ÷ 0.090 |
Final shaft |
0.040 ÷ 0.085 |
Maximum permissible value |
0.12 |
1HD–FTE |
|
Nominal rate |
0.10 ÷ 0.20 |
Maximum permissible value |
0.30 |
Side play of gearing of gear wheels of camshafts, mm |
|
2UZ–FE |
|
Nominal rate |
0.020 ÷ 0.200 |
Maximum permissible value |
0.30 |
Free length of a gap in the camshaft gear wheel spring lock |
|
2UZ–FE |
18.2 ÷ 18.8 |
Extreme admissible size of a side beating of an average neck, mm |
|
2UZ–FE |
0.08 |
1HD–FTE |
0.10 |
Size of a vystupaniye of a natyazhitel of a gas-distributing belt, mm |
|
2UZ–FE |
10.5 ÷ 11.5 |
1HD–FTE |
9.0 ÷ 9.8 |
Parameters of hydropushers of valves, mm |
|
2UZ–FE |
|
Outer diameter |
30.966 ÷ 30.976 |
Diameter of a landing nest |
31.000 ÷ 31.016 |
Landing gap |
|
Nominal rate |
0.024 ÷ 0.050 |
Extreme admissible value |
0.07 |
1HD–FTE |
|
Outer diameter |
40.892 ÷ 40.902 |
Diameter of a landing nest |
40.960 ÷ 40.980 |
Landing gap |
|
Nominal rate |
0.058 ÷ 0.083 |
Extreme admissible value |
0.10 |
Efforts of tightening of threaded connections, Nanometer
Petrol engine (2UZ-FE)
Connection type |
Value |
Bolts of fastening of covers of heads of cylinders |
6 |
Bolts/nut 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 bent shaft |
245 |
Bolts of fastening of a cover No. 2 of the GRM drive |
16 |
Bolts of fastening of a cover No. 3 of the GRM drive |
7.5 |
Bolts of fastening of intermediate rollers * |
35 |
Bolt (106 mm) and nuts of fastening of a natyazhitel of a driving belt |
16 |
Bolts of fastening of a natyazhitel of a gas-distributing 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 the 90th hail. |
Stage 3 |
To hold on on the 90th hail. |
Bolts of fastening of the top part of the pallet of a case |
|
Bolts of 10 mm |
7.5 |
Bolts of 12 mm |
28 |
Bolts of fastening of the top part of the pallet of a case |
7.5 |
Bolts of fastening of a maslozabornik |
7.5 |
Bolts of fastening of the damping plate |
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 the pump GUR |
17 |
Oil cooler fixture |
18 |
Bolts of fastening of a flywheel * |
83 |
Bolts of fastening of a driving disk * |
|
Stage 1 |
49 |
Stage 2 |
To hold on on the 90th hail. |
Engine mount support |
|
Bolts of fastening of the holder of a back epiploon of a bent shaft |
7.8 |
* Before a bolt vvorachivaniye its carving part should be greased with the fixing Loctite 242 sealant.
|
Diesel engine (1HD-FTE)
Connection type |
Value |
Bolts of fastening of a head of cylinders |
|
Stage 1 |
69 |
Stage 2 |
To hold on on the 90th hail. |
Stage 3 |
To hold on on the 90th hail. |
Bolts of fastening of covers of bearings of camshafts |
25 |
Bolts of fastening of a back cover of a belt of the GRM drive |
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 assembly of a final collector |
40 |
Bolts of fastening of a branch pipe of withdrawal of OZh |
20 |
Nuts of fastening of the inlet pipeline |
20 |
Fixture of fuel tubes of high pressure |
25 |
Fixture of an inlet branch pipe to the inlet pipeline |
|
Models with the EGR system |
19.6 |
Models without the EGR system |
|
With heads of 10 mm |
7.5 |
With heads of 12 mm |
20 |
Nuts of fastening of the adapter of the EGR valve to a final collector |
40 |
Bolts of fastening of an arm of the EGR valve |
20 |
Bolts of fastening of the lower cover of a rod |
|
Stage 1 |
37 |
Stage 2 |
To hold on on the 90th hail. |
Bolts of fastening of covers of radical bearings of a bent shaft |
|
Stage 1 |
103 |
Stage 2 |
To hold on on the 90th hail. |
Camshaft cogwheel |
|
Conducted |
98 |
Leading |
31 |
TNVD drive gear wheel |
98 |
Intermediate gear wheel |
68 |
Pulley of a bent shaft |
430 |
Bolts of fastening of a cover of cogwheels |
20 |
Nuts of fastening of a cover of the oil pump |
39 |
Bolts of fastening of an oil pipeline |
20 |
Stopper of the reducing valve of the oil pump |
42 |
Jellied stopper of the oil pump |
9 |
Backpressure valve of the oil cooler |
27 |
Safety valve of the oil cooler |
39 |
Nuts of fastening of a cover of the oil cooler |
20 |
Oil cooler fixture |
20 |
Procedures of the general and capital repairs of the engine (petrol engine 2UZ-FE)
General parameters
Characteristic |
Value |
Compression pressure in cylinders at 250 rpm, kgf/cm 2
|
|
Nominal rate
|
13:44 |
Minimum admissible value
|
9.94 |
Admissible difference of compression pressure in different cylinders at 250 rpm, kgf/cm 2
|
no more than 0.98 |
Valvate mechanism
Characteristic |
Value |
Height of a cylindrical part (corbel) of plates of valves, mm |
|
Nominal rate |
|
Inlet valves |
1.25 |
Final valves |
1.4 |
Extreme admissible value |
0.5 |
Diameter of cores of valves, mm |
|
Inlet valves |
5.470 ÷ 5.485 |
Final valves |
5.465 ÷ 5.480 |
Gap of landing of cores of valves in the directing plugs, mm |
|
Inlet valves |
|
Nominal rate |
0.025 ÷ 0.060 |
Extreme admissible value |
0.08 |
Final valves |
|
Nominal rate |
0.030 ÷ 0.065 |
Extreme admissible value |
0.10 |
Valve facet, hail |
44.5 |
Full length of the valve, mm |
|
Inlet valves |
|
Nominal rate | 95.05 |
Radical necks of a bent shaft |
|
Diameter of a bed of a bent shaft, mm |
|
Tag "1" |
71.000 ÷ 71.003 |
Tag "2" |
71.006 ÷ 71.012 |
Tag "3" |
71.012 ÷ 71.018 |
Diameter of radical necks, mm |
|
Tag "1" |
66.994 ÷ 67.000 |
Tag "2" |
66.988 ÷ 66.994 |
Tag "3" |
66.982 ÷ 66.988 |
Thickness of inserts of radical bearings, mm |
|
Tag "2" |
1.979 ÷ 1.982 |
Tag "3" |
1.982 ÷ 1.985 |
Tag "4" |
1.985 ÷ 1.988 |
Tag "5" |
1.988 ÷ 1.991 |
Tag "6" |
1.991 ÷ 1.994 |
Working gap in bearings, mm |
|
Nominal rate |
0.036 ÷ 0.054 |
Repair size |
0.037 ÷ 0.077 |
Extreme admissible working value |
0.100 |
Axial side play of a bent shaft, mm |
|
Nominal rate |
0.040 ÷ 0.240 |
Extreme admissible working value |
0.30 |
Thickness of the repair persistent bearing, mm |
2.930 ÷ 2.980 |
Block and head of cylinders
Characteristic |
Value |
Diameter of the cylinder, mm |
|
Nominal |
|
Tag "1" |
94.000 ÷ 94.010 |
Tag "2" |
94.010 ÷ 94.020 |
Tag "3" |
94.020 ÷ 94.030 |
Admissible |
|
Up to the 1st repair |
94.23 |
Before the 2nd repair |
94.73 |
Diameter of drilling under the directing plug of the valve, mm |
|
Nominal |
11.504 ÷ 11.525 |
Repair |
11.554 ÷ 11.575 |
Internal diameter of the directing plug, mm |
7.010 ÷ 7.030 |
Ledge of the plug, mm |
17.5 ÷ 17.9 |
Pistons and piston rings
Characteristic |
Value |
Diameter of the piston (nominal rate), mm |
|
Tag "1" |
93.845 ÷ 93.855 |
Tag "2" |
93.855 ÷ 93.865 |
Tag "3" |
93.865 ÷ 93.875 |
Piston ledge from the block of cylinders, mm |
0.175 ÷ 0.425 |
Gap of landing of pistons in cylinders, mm |
|
Nominal rate |
0.145 ÷ 0.165 |
Extreme admissible working value |
0.215 |
Gaps in locks of piston rings, mm |
|
Top compression ring |
|
Nominal rate |
0.27 ÷ 0.47 |
Extreme admissible value |
0.85 |
Second compression ring |
|
Nominal rate |
0.40 ÷ 0.65 |
Extreme admissible value |
0.90 |
Oil scraper ring |
|
Nominal rate |
0.20 ÷ 0.50 |
Extreme admissible value |
0.88 |
Gaps of landing of rings in flutes of pistons, mm |
|
Top compression ring |
0.050 ÷ 0.095 |
Second compression ring |
0.050 ÷ 0.100 |
Oil scraper ring |
0.030 ÷ 0.070 |
The most admissible gap |
0.20 |
|
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