Repair and car operation RX-300 Lexus - the Engine//Lexus RX-300 of 1998-2003 / site-ru.ru
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LEXUS RX 300

1998 — 2003 of release

Repair and car operation



RX 300 Lexus
+ Lexus RX-300 Cars
+ Governing bodies and operation receptions
+ Settings and routine maintenance of the car
- Engine
   General information and preparatory operations
   Check of kompressionny pressure
   Engine check by means of the vacuum gage
   Reduction of the piston of the first cylinder in the provision of the top dead point (VMT)
   Check of a corner of an advancing of ignition
   Removal, check and installation of a belt of a drive of GRM of its natyazhitel, pulley and cogwheel of a cranked shaft, cogwheels of camshafts and intermediate rollers
   Removal, dismantling, check, assembly and installation of a head of cylinders and its components
   Removal and engine installation, check of support
   Block of cylinders
   Check Д/В of pressure of impellent oil
   Removal, dismantling, check, assembly and installation of the oil pump and case pallet
+ Systems of cooling of the engine, heating, ventilation and air conditioning
+ the Power supply system and production of the fulfilled gases
+ Systems of electric equipment of the engine
+ Automatic transmission and interaxal differential
+ Transmission line
+ Brake system
+ Suspension bracket and steering
+ Body
+ Onboard electric equipment
+ Schematic diagrams of electric connections



Engine

Specifications

General information

Engine type 6-cylinder petrol 4-тактный 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//piston stroke, mm 87.5/83
Volume of cylinders, cm 3 2995
Extent of compression 10.5:1
Kompressionnoye pressure, atm
  • At 250 rpm (standard)
14.8
  • The minimum
9.9
The maximum admissible difference of kompressionny pressure in cylinders, atm 1
Turns of idling, rpm
  • At switched off To/in
700 ± 50
  • At included In («COOL») and the fan ("HI")
730 ± 50
Klapanny gap see. Specifications to Head of Control and routine maintenance of the car
Corner of an advancing of ignition, hail. to VMT
  • At peremknuty contacts of TE1 and DLC No. 1 socket E1
8÷12
  • At the opened contacts of TE1 and DLC No. 1 socket E1
10÷25
Ledge of a pusher of a natyazhitel of a belt of a drive of GRM, mm 10.0÷10.8
The maximum admissible deformation of an interfaced surface of the air distributor, mm 0.10
The maximum admissible deformation of an interfaced surface of the inlet pipeline, mm
  • To the air distributor
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 of VSV of a support of the engine (at temperature the 20th hail.), Ohm 18÷22
Pressure of impellent oil, atm
  • Idling
not less than 0.3
  • At 3000 rpm
2.9÷5.3
Gap 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
Gap between rotors of the oil pump, mm
  • The standard
0.11÷0.24
  • The maximum
0.35
Gap 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

Assembly 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 a prutkovy 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
  • Inlet valve
5.470÷5.5485
  • Final valve
5.465÷5.480
Oil gap of the valve (standard//minimum), mm
  • Final valve
0.025÷0.060//0.08
  • Final valve
0.030÷0.065//0.10
Corner of a facet of the valve, hail. 44.5
Corner of an interfaced surface of a saddle of the valve, hail. 45
Width of an interfaced surface of a saddle of the valve, mm 1.0÷1.4
Corners of a pro-point of a saddle of the valve, hail.

30,45,75
Height of a corbel of a head of the valve, mm
  • The standard
1.0
  • Masimalny
0.5
Full standard//minimum length of the valve, mm
  • Inlet valve
95.45/94.95
  • Final valve
95.40/94.90
The maximum deviation of a klapanny spring from a vertical, mm 2.0
Length of a klapanny spring in a free condition, mm 45.50
Tension of the klapanny spring compressed till the length of 33.8 mm, N 186÷206
Diameter of a pro-point under a pusher of the valve, mm 31.000÷31.016
Diameter of a pusher of the valve, mm 30.966÷30.976
Oil gap 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 of a pro-point 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
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 gap 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
Gap in the spring cutting
ring of a gear wheel, mm
18.2÷18.8

Block of cylinders and cranked shaft

Axial люфт shatunny bearing, mm
The standard 0.15÷0.30
The maximum 0.35
Thickness of a rod, mm 20.80÷20.85
Oil gap in shatunny bearings, mm
The standard 0.038÷0.064
The maximum 0.08
Thickness of walls of loose leaves of shatunny 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 of shatunny 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 gap (standard//maximum) in radical bearings of a cranked shaft, mm
Necks No. 1 and No. 4 0.014÷0.034//0.05
Necks No. 2 and No. 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 the 4th 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 (61.000-0.0XX), 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
Maximum admissible radial palpation of a camshaft, mm 0.06
Maximum admissible konusnost 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 at distance of 23.2 mm from the bottom, mm 87.406÷87.416
Oil gap of the piston in the cylinder, mm
  • The standard
0.08÷0.11
  • The minimum
0.13
Gap of landing of piston rings, mm

No. 1

0.20÷0.70

No. 2

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

No. 1

0.25÷0.35//0.95

No. 2

0.35÷0.45//1.05

Plates of a maslosjyomny ring

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 opening under a finger, mm 22.005÷22.014
Diameter of a finger, mm 21.997÷22.006
Gap of landing 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 of the shatunny 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 holding plate of a cogwheel of a cranked shaft  8
Bolts of fastening of intermediate rollers of a belt of a drive of GRM
  • Top roller (No. 2)
43
  • Bottom roller (No. 1)
34
Fixture of a natyazhitel of a driving belt to the oil pump 27
Bolts of fastening of cogwheels of camshafts
  • Right number of cylinders
88
  • 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 a drive of GRM 8.5
Bolt of fastening of a pulley of a cranked shaft 215
Nut of fastening of an arm of No. 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 a rotor of VVT-i 150
Stopper of the filter of the VVT-i valve 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 the 90th hail.
  • With heads under a prutkovy 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 the pump GUR 43
Bolt of fastening directing щупа level of impellent oil 8
Nuts of fastening of the catalytic 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
Air distributor fixture to the inlet pipeline 43
Fixture of the inlet pipeline to a head of cylinders 15
Bolts of fastening of an elevating hook of No. of 1 engine 39
Bolts of fastening of a rack of the air distributor 19.5
Nut of fastening of the tire of grounding to the air distributor 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
Bolts of fastening of a quencher of fluctuations of the engine 48
Bolts of fastening of a forward support of the engine to a stretcher 80
Bolts of fastening of assembly 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 the pump GUR 43
Bolts of fastening of support of a back stretcher

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

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

With a 12-faced head

    • 1st stage
22
    • 2nd stage
to hold on on a corner the 90th hail.

With a 6-faced head

27
Bolts of fastening of the holder of a back epiploon of a cranked shaft 8
Drain jams of OZh in the block of cylinders 39
Bolts of fastening of sealing laying of system of cooling of the block of cylinders 18
Coupling of the oil filter 30
Bolts of fastening of a reception branch pipe of OZh 8
Detonation sensors 39
Fixture of an arm of a roller of No. 2 belts of a drive of GRM 28
Fixture of an arm of the To/in compressor 25
Bolts of fastening of a driving disk 83
Д/В pressure of impellent oil 13
Stopper of the reduktsionny 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
CKP sensor 8
Fixture of a maslootrazhatelny plate to the top section of the pallet of a case 8
Bolts of fastening of the top section of the pallet of a case
  • 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 of a driving disk 7.8
Fixture of a maslozabornik 8
Fixture of the bottom section of the pallet of a case 8
Drain stopper of impellent oil 45