Nissan Qashqai J11. Manual - part 133

 

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Nissan Qashqai J11. Manual - part 133

 

 

HOW TO SELECT PISTON AND BEARING

EM-471

< UNIT DISASSEMBLY AND ASSEMBLY >

[R9M]

C

D

E

F

G

H

I

J

K

L

M

A

EM

N

P

O

Example:

• diameter category of journal No. 1 marked on the crankshaft = N,
• diameter category of crankshaft bearing No.1 marked on the cylinder block = M,
• thickness class to of the upper and lower bearing shells of bearing No. 1 to refit = Black Mark.

Identification of the crankshaft bearing shells

Crank
shaft 
jour-
nal di-
amet
er 
class 
mark

A

J***

N**

B

J

B

C

J

B

D

J

B

E

J

B

F

J

B

G

J

B

H

W*

J

B

I

W

J

J

W

J

K

W

J

L

W

J

M

W

J

N

W

J

O

W

J

P

W

J

Q

W

J

R

W

J

S

W

T

W

U

W

Cylinder block bearing diameter class mark

Marking

Colour Mark

Thickness mm(in)

Lower shell bearing

33281R or 4

Blue

1.989(0.0783)

3875R or 3

Black

1.985(0.0781)

37686R or 2

Yellow

1.981(0.0780)

31153R or 1

White

1.977(0.0787)

Upper bearing shell bearing

53785R or 4

Blue

1.989(0.0783)

54889R or 3

Black

1.985(0.0781)

56848R or 2

Yellow

1.981(0.0780)

53368R or 1

White

1.977(0.0787)

EM-472

< SERVICE DATA AND SPECIFICATIONS (SDS) 

[R9M]

SERVICE DATA AND SPECIFICATIONS (SDS)

SERVICE DATA AND SPECIFICATIONS (SDS)

SERVICE DATA AND SPECIFICATIONS (SDS)

General Specification

INFOID:0000000010282029

GENERAL SPECIFICATIONS

Unit: degree

Drive Belts

INFOID:0000000010282030

DRIVE BELT

Intake Manifold

INFOID:0000000010282031

INTAKE MANIFOLD

Unit: mm (in)

Exhaust Manifold

INFOID:0000000010282032

EXHAUST MANIFOLD

Unit: mm (in)

Engine type

R9M

Cylinder arrangement

In-line 4

Displacement

cm

3

 (cu in)

1,598 (97.51)

Bore and stroke

mm (in)

80.0 x 79.5 (3.1496 x 3.1299)

Valve arrangement

DOHC

Firing order

1-3-4-2

Number of piston rings

Compression

2

Oil

1

Compression ratio

15.4

Valve timing 

a

b

c

d

e

f

198

187

- 11

18

- 17

35

EM120

Tension of drive belt

Belt tensioning is not necessary, as it is automatically adjusted by drive belt auto-tensioner.

Items

Standard

Surface distortion

0.05 (0.0020)

Items

Standard

Surface distortion

0.7 (0.028)

SERVICE DATA AND SPECIFICATIONS (SDS)

EM-473

< SERVICE DATA AND SPECIFICATIONS (SDS) 

[R9M]

C

D

E

F

G

H

I

J

K

L

M

A

EM

N

P

O

Turbocharger

INFOID:0000000010282033

Camshaft

INFOID:0000000010282034

CAMSHAFT

Unit: mm (in)

Cylinder Head

INFOID:0000000010282035

CYLINDER HEAD

Unit: mm (in)

VALVE DIMENSIONS

Valve rod moving length

Value of vacuum

25 kPa (250 mbar, 187.525 mmHg, 7.3825 inHg)

2.95 - 5.95 mm (0.1161 - 0.2343 in)

More than 60 kPa (600 mbar, 450.06 mmHg, 17.718 inHg)

The rod should not move

Items

Standard

Camshaft journal diameter

24.979 - 25.000 (0.9834 - 0.9843)

Cylinder head housing and camshaft bracket inner diameter

25.040 - 25.061 (0.9858 - 0.9867)

Camshaft journal oil clearance

0.060 (0.0024)

Items

Standard

Head surface distortion

0.05 (0.0020)

Cylinder head gasket thickness “a”

1.116 - 1.184 (0.0439 - 0.0466)

Normal cylinder head height “a”

131.5 (5.18)

JPBIA0791ZZ

JPBIA0792ZZ

EM-474

< SERVICE DATA AND SPECIFICATIONS (SDS) 

[R9M]

SERVICE DATA AND SPECIFICATIONS (SDS)

Unit: mm (in)

VALVE GUIDE

Unit: mm (in)

VALVE SEAT

Item

Standard

Valve head diameter “D”

Intake

23.38 - 23.62 (0.9205 - 0.9299)

Exhaust

23.28 - 23.62 (0.9165 - 0.9260)

Valve length “L”

Intake

104.17 (4.1)

Exhaust

104.06 (4.097)

Valve stem diameter “d”

Intake

5.970 - 5.985 (0.2350 - 0.2356)

Exhaust

5.955 - 5.970 (0.2344 - 0.2350)

Measuring point “X1”

35.0 (1.378)

Valve seat angle “

α

45

°

- 45

°

15

Valve margin “T”

Intake

1.84 (0.072)

Exhaust

1.35 (0.531)

Valve lift amount

8.0 (0.315)

E1BIA0064ZZ

Items

Standard 

Valve guide

Outer diameter

11.033 - 11.044 (0.4344 - 0.4348)

Inner diameter (Finished size)

6.000 - 6.018 (0.2362 - 0.2369)

Cylinder head valve guide hole diameter

10.987 - 11.013 (0.4326 - 0.4336)

Interference fit of valve guide

0.020 - 0.057 (0.0008 - 0.0022)

Valve guide clearance

Intake

0.015 - 0.048 (0.0006 - 0.0019)

Exhaust

0.030 - 0.063 (0.0012 - 0.0025)

Valve guide angle “a”

90

°

Projection length “b”

14.0 (0.551)

JPBIA0586ZZ

 

 

 

 

 

 

 

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