LEXUS RX 300

1998-2003 of release

Repair and car operation



Лексус RX 300
+ Cars Lexus RX-300
+ Controls and operation receptions
+ Options and car routine maintenance
- The engine
   The general information and preparatory operations
   Check компрессионного pressure
   Check of the engine by means of the vacuum gauge
   Reduction of the piston of the first cylinder in position of the top dead point (ВМТ)
   Check of a corner of an advancing of ignition
   Removal, check and installation of a belt of drive ГРМ it натяжителя, a pulley and a cogwheel of a cranked shaft, cogwheels of camshafts and intermediate rollers
   Removal, dismantling, check, assemblage and installation of a head of cylinders and its components
   Removal and engine installation, check of support
   The block of cylinders
   Check Д/В of pressure of impellent oil
   Removal, dismantling, check, assemblage and installation of the oil pump and the pallet картера
+ Systems of cooling of the engine, heating, ventilation and air conditioning
+ The power supply system and release of the fulfilled gases
+ Systems of an electric equipment of the engine
+ Automatic transmission and interaxal differential
+ Трансмиссионная a line
+ Brake system
+ Suspension bracket and steering
+ Body
+ Onboard electric equipment
+ Basic schemes of electric connections


The engine

Specifications

The general data

Engine type 6-cylinder petrol 4-taktnyj the engine, DOHC
Designation 1MZ-FE
Sequence of ignition 1-2-3-4-5-6

Direction of rotation of a cranked shaft Clockwise
Diameter of the cylinder//a piston course, mm 87.5//83
Volume of cylinders, sm 3 2995
Compression degree 10.5:1
Компрессионное pressure, атм
  • At 250 rpm (standard)
14.8
  • The minimum
9.9
The maximum admissible difference компрессионных pressure in cylinders, атм 1
Idling turns, rpm
  • At switched off К/В
700 ± 50
  • At included К/В («COOL») and the fan («HI»)
730 ± 50
Клапанный a backlash Specifications to the Head of Adjustment and car routine maintenance see
Corner of an advancing of ignition, hailstones. To ВМТ
  • At перемкнутых contacts TE1 and E1 socket DLC №1
8÷12
  • At opened contacts TE1 and E1 socket DLC №1
10÷25
Pusher ledge натяжителя a belt of drive ГРМ, mm 10.0÷10.8
The maximum admissible deformation of an interfaced surface воздухораспределителя, mm 0.10
The maximum admissible deformation of an interfaced surface of the inlet pipeline, mm
  • To воздухораспределителю
0.15
  • To a head of cylinders
0.08
The maximum admissible deformation of an interfaced surface of a final collector, mm 0.5
Resistance VSV of a support of the engine (at temperature 20 hailstones.), an ohm 18÷22
Pressure of impellent oil, атм
  • Idling
Not less than 0.3
  • At 3000 rpm
2.9÷5.3
Backlash between rotors of the oil pump and the top plane of their adjusting nest, mm
  • The standard
0.03÷0.09
  • The maximum
0.15
Backlash between rotors of the oil pump, mm
  • The standard
0.11÷0.24
  • The maximum
0.35
Backlash between a conducted rotor of the oil pump and a wall of an adjusting nest of rotors, mm
  • The standard
0.250÷0.325
  • The maximum
0.30

Assemblage of a head of cylinders

The maximum admissible deformation interfaced to the block of cylinders of a surface, mm 0.1
Diameter of a tension part of a bolt with a head under прутковый a key-shestigrannik of fastening of a head of cylinders, mm
  • The standard
8.95÷9.05
  • The maximum
8.75
Internal diameter of the directing plug of the valve, mm 5.510÷5.530
Diameter of a core of the valve, mm
  • The inlet valve
5.470÷5.5485
  • The final valve
5.465÷5.480
Oil backlash of the valve (standard//minimum), mm
  • The final valve
0.025÷0.060//0.08
  • The final valve
0.030÷0.065//0.10
Corner of a facet of the valve, hailstones. 44.5
Corner of an interfaced surface of a saddle of the valve, hailstones. 45
Width of an interfaced surface of a saddle of the valve, mm 1.0÷1.4
Corners проточки valve saddles, hailstones.

30,45,75
Height of a corbel of a head of the valve, mm
  • The standard
1.0
  • Масимальная
0.5
Full standard//the minimum length of the valve, mm
  • The inlet valve
95.45//94.95
  • The final valve
95.40//94.90
The maximum deviation клапанной springs from a vertical, mm 2.0
Length клапанной springs in a free condition, mm 45.50
Tension клапанной a spring compressed till length of 33.8 mm, Н 186÷206
Diameter проточки under a valve pusher, mm 31.000÷31.016
Diameter of a pusher of the valve, mm 30.966÷30.976
Oil backlash of a pusher of the valve, mm
  • The standard
0.024÷0.050
  • The maximum
0.07
External diameter of the directing plug of the valve, mm
  • The standard
10.333÷10.334
  • The overestimated
10.385÷10.383
Height of the directing plug of the valve, mm
  • Inlet valves
34.5
  • Final valves
40.5
Height of a ledge of the directing plug of the valve from a head of cylinders, mm
  • Inlet valves
11.1÷11.5
  • Final valves
8.9÷9.3
Diameter проточки under directing plug of the valve, mm
  • The standard
10.295÷10.313
  • The overestimated
10.345÷10.363

Camshafts

Diameter of necks, mm 26.959÷26.975
The maximum admissible radial palpation of an average neck, mm 0.06
Height of cams (standard//minimum), mm
Inlet camshaft 42.932÷43.032//42.78
Final camshaft 42.764÷42.864//42.61
Oil backlash in bearings (standard//minimum), mm
Inlet camshaft 0.035÷0.072//0.10
Final camshaft 0.025÷0.062//0.09
Axial люфт, mm
The standard 0.04÷0.09
The maximum 0.12
Dead course of gear wheels, mm
The standard 0.02÷0.20
The maximum 0.30
Rupture in the spring cutting
Gear wheel ring, mm
18.2÷18.8

The block of cylinders and cranked shaft

Axial люфт шатунного the bearing, mm
The standard 0.15÷0.30
The maximum 0.35
Thickness of a rod, mm 20.80÷20.85
Oil backlash in шатунных bearings, mm
The standard 0.038÷0.064
The maximum 0.08
Thickness of walls of loose leaves шатунных bearings, mm
Label «1» 1.484÷1.487
Label «2» 1.487÷1.490
Label «3» 1.490÷1.493
Label «4» 1.493÷1.496
Diameter шатунных necks of a cranked shaft, mm 52.992÷53.000
Axial люфт radical bearings of a cranked shaft, mm
The standard 0.04÷0.24
The maximum 0.30
Thickness of a persistent washer
Cranked shaft, mm
1.930÷1.980
Oil backlash (standard//maximum) in radical bearings of a cranked shaft, mm
Necks №1 and №4 0.014÷0.034//0.05
Necks №2 and №3 0.026÷0.046//0.06

Demanded loose leaves of radical bearings of a cranked shaft, proceeding from the sum of numerical labels on a shaft (A) and on the block of cylinders (B).

Labels on cranked to a shaft, on the block of cylinders and on loose leaves of radical bearings

Necks 1 and 4
  • A + B = (0÷5)
Label «3»
  • A + B = (6÷11)
Label «4»
  • A + B = (12÷17)
Label «5»
  • A + B = (18÷23)
Label «6»
  • A + B = (24÷28)
Label «7»
Necks 2 and 3 Value of a label on loose leaves of necks 1 or 4 minus 2
Landing diameter of radical necks of a cranked shaft according to labels, mm 66.0XX, where XX – a numerical label (from «00» to «16»)
Diameter of radical necks of a cranked shaft according to labels, mm (61), where XX – a numerical label (from «00» to «12»)
Thickness of walls of loose leaves of radical bearings, mm
  • Label «1»
2.486÷2.489
  • Label «2»
2.489÷2.492
  • Label «3»
2.492÷2.495
  • Label «4»
2.495÷2.498
  • Label «5»
2.498÷2.501
  • Label «6»
2.501÷2.504
  • Label «7»
2.504÷2.507
The maximum admissible radial palpation of a camshaft, mm 0.06
Maximum admissible конусность and ovality of necks of a camshaft, mm 0.02
The maximum admissible deformation of the surface interfaced to a head of cylinders, mm 0.07
Diameter of the cylinder, mm
  • The standard
87.500÷87.512
  • The maximum
87.520
Diameter of a tension part of a bolt (with a 12-faced head) fastenings of a cover of the radical bearing of a cranked shaft, mm
  • The standard
7.50÷7.60
  • The minimum
7.20

Pistons and rods

Diameter of the piston on distance of 23.2 mm from the bottom, mm 87.406÷87.416
Oil backlash of the piston in the cylinder, mm
  • The standard
0.08÷0.11
  • The minimum
0.13
Backlash of planting of piston rings, mm

№1

0.20÷0.70

№2

0.20÷0.60
The size of a cut of the lock (standard//maximum) the established piston rings, mm

№1

0.25÷0.35//0.95

№2

0.35÷0.45//1.05

Plates маслосъёмного rings

0.15÷0.40//1.00
The maximum admissible linear roughness of a rod on 100 mm of length, mm 0.05
The maximum admissible curvature of a rod on 100 mm of length, mm 0.15
Internal diameter of an aperture under a finger, mm 22.005÷22.014
Diameter of a finger, mm 21.997÷22.006
Backlash of planting of a finger, mm
  • The standard
0.005÷0.011
  • The maximum
0.05
Diameter of a tension part of a bolt of fastening of a cover шатунного the bearing, mm
  • The standard
7.2÷7.3
  • The minimum
7.0

Efforts of a tightening of carving connections, Nanometer

Bolt of fastening of a keeping plate of a cogwheel of a cranked shaft 8
Bolts of fastening of intermediate rollers of a belt of drive ГРМ
  • The top roller (№2)
43
  • The bottom roller (№1)
34
Fixture натяжителя приводного a belt to the oil pump 27
Bolts of fastening of cogwheels of camshafts
  • The right number of cylinders
88
  • The left number of cylinders
125
Bolt of fastening of the right basic arm of the engine 28
Bolts of fastening of covers of a belt of drive ГРМ 8.5
Bolt of fastening of a pulley of a cranked shaft 215
Nut of fastening of an arm №2 generators 28
Bolts of fastening of an arm of the generator to the block of cylinders 43
Bolts of fastening of covers of bearings of camshafts 16
Nut of fastening of rotor VVT-i 150
Stopper of the filter of valve VVT-i 45
Bolts of fastening of a back cover of a head of cylinders 10
Fixture of a lateral cover of the block of cylinders 9
Bolts of fastening of heads of cylinders
  • With 12-faced heads
54 then to hold on on a corner 90 hailstones.
  • With heads under прутковый a key
18.5
Bolts of fastening of covers of bearings of camshafts 16
Bolts of fastening of covers of heads of cylinders 8
Nuts of fastening of a final collector 49
Fixture of a rack of a final collector
  • The right
34
  • The left
20
Fixture of a fuel submitting hose to the fuel filter 29
Fixture of an arm of pump GUR 43
Bolt of fastening directing щупа level of impellent oil 8
Fastening nuts каталитического the converter 62
Bolt of fastening of a submitting tube of system of cooling to a head of cylinders 19.5
Bolts of fastening of a back plate of a head of cylinders 8
Fixture of a water waste branch pipe 15
Fixture воздухораспределителя to the inlet pipeline 43
Fixture of the inlet pipeline to a head of cylinders 15
Bolts of fastening of an elevating hook №1 engines 39
Bolts of fastening of a rack воздухораспределителя 19.5
Nut of fastening of the tyre of grounding to воздухораспределителю 14.5
Bolts of fastening of an elevating hook of the engine 19.5
Bolts of fastening of a forward support and back arm of fastening of the engine to the engine 64
Nuts of a back arm of fastening of the engine to a back support 87
Bolts of fastening of the power unit to the left support 64
Fastening bolts гасителя engine fluctuations 48
Bolts of fastening of a forward support of the engine to a stretcher 80
Bolts of fastening of assemblage of the steering mechanism with bent for to a stretcher 181
Bolts of fastening of the stabilizer of a forward suspension bracket to a stretcher 19
Bolts of fastening of pump GUR 43
Bolts of fastening of support of a back stretcher

  • Bolts A
181
  • Bolts B
32
Bolts of fastening of support of a back stretcher 181
Bolts of the right basic arm №2 and draughts of fastening of the engine

  • Bolts A, B, C
64
  • Bolt D
32
Nuts of fastening of forward and central sections of an exhaust pipe 62
Nuts of fastening of forward section №2 of an exhaust pipe 56
Nuts of fastening top распорки the engine 80
Nuts of fastening of levers of cleaners of a windscreen to their draughts 24
Bolts of fastening of covers шатунных bearings
  • 1st stage
24.5
  • 2nd stage to hold on
On a corner 90 hailstones.
Bolts of fastening of covers of radical bearings

With a 12-faced head

    • 1st stage
22
    • 2nd stage
To hold on on a corner 90 hailstones.

With a 6-faced head

27
Bolts of fastening of the holder of a back epiploon of a cranked shaft 8
Drain stoppers ОЖ in the block of cylinders 39
Bolts of fastening of a sealing lining of system of cooling of the block of cylinders 18
Муфта the oil filter 30
Bolts of fastening of reception branch pipe ОЖ 8
Detonation gauges 39
Fixture of an arm of a roller №2 belts of drive ГРМ 28
Fixture of an arm of compressor K/V 25
Fastening bolts приводного a disk 83
Д/В pressure of impellent oil 13
Stopper редукционного the valve of the oil pump 49
Bolts of fastening of the oil pump
  • With a head of 10 mm
8
  • With a head of 12 mm
19.5
Gauge CKP 8
Fixture маслоотражательной plates to the top section of the pallet картера 8
Bolts of fastening of the top section of the pallet картера
  • With a head of 10 mm
8
  • With a head of 12 mm
19.5
  • With a head of 14 mm
37.2
Bolts of fastening of the bottom cover of a cavity приводного a disk 7.8
Fixture маслозаборника 8
Fixture of the bottom section of the pallet картера 8
Drain stopper of impellent oil 45





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