Lexus RX300 (MCU15). Manual — part 494

SS03K–03

SS–4

–

SERVICE SPECIFICATIONS

ENGINE MECHANICAL

LEXUS RX300 (RM785E)

ENGINE MECHANICAL

SERVICE DATA

Compression

pressure

at 250 rpm STD

Minimum

Difference of pressure between each cylinder

1,500 kPa (15.3 kgf/cm

2

, 218 psi)

1,000 kPa (10.2 kgf/cm

2

, 145 psi)

100 kPa (1.0 kgf/cm

2

, 15 psi) or less

Valve

clearance

at cold Intake

Exhaust

Adjusting shim for repair part

Mark 2.500

Mark 2.550

Mark 2.600

Mark 2.650

Mark 2.700

Mark 2.750

Mark 2.800

Mark 2.850

Mark 2.900

Mark 2.950

Mark 3.000

Mark 3.050

Mark 3.100

Mark 3.150

Mark 3.200

Mark 3.250

Mark 3.300

0.15 – 0.25 mm (0.006 – 0.010 in.)

0.25 – 0.35 mm (0.010 – 0.014 in.)

2.500 mm (0.0984 in.)

2.550 mm (0.1004 in.)

2.600 mm (0.1024 in.)

2.650 mm (0.1043 in.)

2.700 mm (0.1063 in.)

2.750 mm (0.1083 in.)

2.800 mm (0.1102 in.)

2.850 mm (0.1122 in.)

2.900 mm (0.1142 in.)

2.950 mm (0.1161 in.)

3.000 mm (0.1181 in.)

3.050 mm (0.1201 in.)

3.100 mm (0.1220 in.)

3.150 mm (0.1240 in.)

3.200 mm (0.1260 in.)

3.250 mm (0.1280 in.)

3.300 mm (0.1299 in.)

Ignition timing

w/ Terminals TE1 and E1 connected of DLC1

8 – 12° BTDC @ idle

Idle speed

–

700 ± 50 rpm

Timing belt

tensioner

Protrusion from housing side

10.0 – 10.8 mm (0.394 – 0.425 in.)

Cylinder head

Warpage

Maximum

Valve seat

Refacing angle

Contacting angle

Contacting width

Valve guide bushing bore diameter

STD

O/S 0.05

12 pointed head cylinder head bolt diameter

at tension portion STD

Minimum

0.10 mm (0.039 in.)

30°, 45°, 75°

45°

1.0 – 1.4 mm (0.039 – 0.055 in.)

10.295 – 10.313 mm (0.4053 – 0.4080 in.)

10.345 – 10.363 mm (0.4073 – 0.4080 in.)

8.95 – 9.05 mm (0.3524 – 0.3563 in.)

8.75 mm (0.3445 in.)

Valve guide

bushing

Inside diameter

Outside diameter for repair part

STD

O/S 0.05

5.510 – 5.530 mm (0.2169 – 0.2177 in.)

10.333 – 10.344 mm (0.4068 – 0.4072 in.)

10.383 – 10.394 mm (0.4088 – 0.4092 in.)

Valve

Valve overall length

STD Intake

Exhaust

Minimum Intake

Exhaust

Valve face angle

Stem diameter

Intake

Exhaust

Stem oil clearance

STD Intake

Exhaust

Maximum Intake

Exhaust

Margin thickness

STD

Maximum

95.45 mm (3.5779 in.)

95.40 mm (3.7559 in.)

94.95 mm (3.7382 in.)

94.90 mm (3.7362 in.)

44.5°

5.470 – 5.485 mm (0.2154 – 0.2159 in.)

5.465 – 5.480 mm (0.2152 – 0.2157 in.)

0.025 – 0.060 mm (0.0010 – 0.0024 in.)

0.030 – 0.065 mm (0.0012 – 0.0026 in.)

0.08 mm (0.0031 in.)

0.10 mm (0.0039 in.)

1.0 mm (0.039 in.)

0.5 mm (0.020 in.)

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SERVICE SPECIFICATIONS

ENGINE MECHANICAL

SS–5

LEXUS RX300 (RM785E)

Valve spring

Deviation

Maximum

Free length

Installed tension at 33.8 mm (1.331 in.)

2.0 mm (0.079 in.)

45.50 mm (1.7913 in.)

186 – 206 N (19.0 – 21.0 kgf, 41.9 – 46.3 lbf)

Valve lifter

Lifter diameter

Lifter bore diameter

Oil clearance

STD

Maximum

30.966 – 30.976 mm (1.2191 – 2.2195 in.)

31.000 – 31.016 mm (1.2205 – 1.2211 in.)

0.024 – 0.050 mm (0.0009 – 0.0020 in.)

0.07 mm (0.0028 in.)

Camshaft

Thrust clearance

STD

Maximum

Journal oil clearance

STD Intake

Exhaust

Maximum Intake

Exhaust

Journal diameter

Circle runout

Maximum

Cam lobe height

STD Intake

Exhaust

Minimum Intake

Exhaust

Camshaft gear backlash

STD

Maximum

Camshaft gear spring end free distance

0.040 – 0.090 mm (0.0016 – 0.0035 in.)

0.12 mm (0.0047 in.)

0.035 – 0.072 mm (0.0014 – 0.0028 in.)

0.025 – 0.062 mm (0.0010 – 0.0024 in.)

0.10 mm (0.0039 in.)

0.09 mm (0.0035 in.)

26.959 – 26.975 mm (1.0614 – 1.0620 in.)

0.06 mm (0.0024 in.)

42.932 – 43.032 mm (1.6902 – 1.6942 in.)

42.764 – 42.864 mm (1.6836 – 1.6876 in.)

42.78 mm (1.6842 in.)

42.61 mm (1.6776 in.)

0.020 – 0.200 mm (0.0008 – 0.0079 in.)

0.30 mm (0.0188 in.)

18.2 – 18.8 mm (0.712 – 0.740 in.)

Air intake

chamber

Warpage

Maximum 0.10 mm (0.0039 in.)

Intake

manifold

Warpage

Air intake chamber side

Maximum

Cylinder head side

Maximum

0.15 mm (0.0059 in.)

0.08 mm (0.0031 in.)

Exhaust

manifold

Warpage

Maximum 0.50 mm (0.0196 in.)

VSV for Active

Control Engine

Mount

Resistance

at 20°C (68°F)

18 – 22 Ω

Cylinder block

Cylinder head surface warpage

Maximum

Cylinder bore diameter

Maximum

12 pointed head main bearing cap bolt diameter

at tension portion STD

Minimum

0.07 mm (0.0028 in.)

87.500 – 87.512 mm (3.4449 – 3.4453 in.)

87.52 mm (3.4457 in.)

7.500 – 7.600 mm (0.2953 – 0.2992 in.)

7.20 mm (0.2835 in.)

Piston and

piston ring

Piston diameter

at 23.2 mm (0.913 in.) from the piston head

Piston oil clearance

STD

Maximum

Piston ring groove clearance

No.1

No.2

Piston ring end gap

STD No.1

No.2

Oil

Maximum No.1

No.2

Oil

87.406 – 87.416 mm (3.4412 – 3.4416 in.)

0.084 – 0.106 mm (0.0033 – 0.0042)

0.13 mm (0.0051 in.)

0.020 – 0.070 mm (0.0008 – 0.0028 in.)

0.020 – 0.060 mm (0.0008 – 0.0024 in.)

0.25 – 0.35 mm (0.0098 – 0.0138 in.)

0.35 – 0.45 mm (0.0138 – 0.0177 in.)

0.15 – 0.40 mm (0.0059 – 0.0157 in.)

0.95 mm (0.0374 in.)

1.05 mm (0.0413 in.)

1.00 mm (0.0394 in.)

SS–6

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SERVICE SPECIFICATIONS

ENGINE MECHANICAL

LEXUS RX300 (RM785E)

Connecting

rod

Thrust clearance

STD

Maximum

Connecting rod thickness

Connecting rod bearing center wall thickness

Reference

Mark 1

Mark 2

Mark 3

Mark 4

Connecting rod oil clearance

STD

Maximum

Rod out–of–alignment

Maximum per 100 mm (3.94 in.)

Rod twist

Maximum per 100 mm (3.94 in.)

Bushing inside diameter

Piston pin diameter

Bushing oil clearance

STD

Maximum

Connecting rod bolt diameter

at tension portion STD

Minimum

0.15 – 0.30 mm (0.0059 – 0.0118 in.)

0.35 mm (0.0138 in.)

20.80 – 20.85 mm (0.8189 – 0.8209 in.)

1.484 – 1.487 mm (0.0584 – 0.0585 in.)

1.487 – 1.490 mm (0.0585 – 0.0587 in.)

1.490 – 1.493 mm (0.0587 – 0.0588 in.)

1.493 – 1.496 mm (0.0588 – 0.0589 in.)

0.038 – 0.064 mm (0.0015 – 0.0025 in.)

0.08 mm (0.0031 in.)

0.05 mm (0.0020 in.)

0.15 mm (0.0059 in.)

22.005 – 22.014 mm (0.8663 – 0.8667 in.)

21.997 – 22.006 mm (0.8660 – 0.8664 in.)

0.005 – 0.011 mm (0.0002 – 0.0004 in)

0.05 mm (0.0020 in.)

7.2 – 7.3 mm (0.284 – 0.287 in.)

7.0 mm (0.276 in.)

Crankshaft

Thrust clearance

STD

Maximum

Thrust washer thickness

Main journal oil clearance

STD No.1 and No.4

No.2 and No.3

Maximum No.1 and No.4

No.2 and No.3

Main journal diameter

Main bearing center wall thickness

Reference

Mark 1

Mark 2

Mark 3

Mark 4

Mark 5

Mark 6

Mark 7

Crank pin diameter

Circle runout

Maximum

Main journal taper and out–of–round

Maximum

Crank pin taper and out–of–round

Maximum

0.04 – 0.24 mm (0.0016 – 0.0095 in.)

0.30 mm (0.0118 in.)

1.930 – 1.980 mm (0.0760 – 0.0780 in.)

0.014 – 0.034 mm (0.0006 – 0.0013 in.)

0.026 – 0.046 mm (0.0010 – 0.0018 in.)

0.05 mm (0.0020 in.)

0.06 mm (0.0024 in.)

60.988 – 61.000 mm (2.4011 – 2.4016 in.)

2.486 – 2.489 mm (0.0979 – 0.0980 in.)

2.489 – 2.492 mm (0.0980 – 0.0981 in.)

2.492 – 2.495 mm (0.0981 – 0.0982 in.)

2.495 – 2.498 mm (0.0982 – 0.0983 in.)

2.498 – 2.501 mm (0.0983 – 0.0985 in.)

2.501 – 2.504 mm (0.0985 – 0.0986 in.)

2.504 – 2.507 mm (0.0986 – 0.0987 in.)

52.992 – 53.000 mm (2.0863 – 2.0866 in.)

0.06 mm (0.0024 in.)

0.02 mm (0.0008 in.)

0.02 mm (0.0008 in.)

SS03L–08

–

SERVICE SPECIFICATIONS

ENGINE MECHANICAL

SS–7

LEXUS RX300 (RM785E)

TORQUE SPECIFICATION

Part tightened

N·m

kgf·cm

ft·lbf

Timing belt plate x Oil pump

8.0

80

69 in.·lbf

No.1 idler pulley x Oil pump

34

350

25

No.2 idler pulley x No.2 idler pulley bracket

43

440

32

Camshaft timing pulley x Camshaft

for SST

125

88

1,300

900

94

65

Timing belt tensioner x Oil pump

27

280

20

RH engine mounting bracket x Cylinder block

28

290

21

No.2 timing belt cover x No.3 timing belt cover

8.5

85

74 in.·lbf

No.1 timing belt cover x Oil pump

8.5

85

74 in.·lbf

Crankshaft pulley x Crankshaft

215

2,200

159

No.2 generator bracket x Engine RH mounting bracket

28

290

21

Camshaft timing gear (VVT–i) x Camshaft

150

1,530

110

Oil Control Valve Filter x Cylinder Head

45

460

33

Cylinder Head Rear Cover x Cylinder Head

10

100

7.3

Cylinder head x Cylinder block

12 pointed head 1st

2nd

Recessed head

54

Turn 90°

18.5

550

Turn 90°

185

40

Turn 90°

13

Camshaft bearing cap x Cylinder head

16

160

12

Cylinder head cover x Cylinder head

8.0

80

69 in.·lbf

Exhaust manifold x Cylinder head

49

500

36

Exhaust manifold stay x Exhaust manifold

20

200

14

Exhaust manifold stay x Transmission housing

20

200

14

PS pump bracket x RH cylinder head

43

440

32

Oil dipstick guide x LH cylinder head

8.0

80

69 in.·lbf

Water inlet pipe x LH cylinder head

19.5

200

14

Cylinder head rear plate x LH cylinder head

8.0

80

69 in.·lbf

No.3 timing belt cover x Cylinder head

8.5

85

74 in.·lbf

Water outlet x Intake manifold

15

150

11

Fuel inlet hose x Fuel filter

29

300

21

Intake manifold x Cylinder head

15

150

11

Air intake chamber x Intake manifold

43

440

32

No.1 engine hanger x Air intake chamber

39

400

29

No.1 engine hanger x RH cylinder head

39

400

29

Air intake chamber stay x Air intake chamber

19.5

200

14

Air intake chamber stay x RH cylinder head

19.5

200

14

Rear engine mounting bracket x Cylinder block

64

650

47

Front engine mounting insulator x Cylinder block

64

650

47

Rear engine mounting bracket x Rear engine insulator

87

890

64

LH engine mounting insulator x Transaxle

64

650

47

Engine mounting absorber x Front suspension member

48

490

35

Engine mounting absorber x Transaxle

48

490

35

Front engine mounting insulator x Front frame assembly

80

820

59

PS gear assembly x Front frame assembly

181

1,850

134

Front stabilizer x Front frame assembly

19

195

14