Nissan Qashqai J11. Manual - part 77

HOW TO SELECT PISTON AND BEARING

EM-247

< UNIT DISASSEMBLY AND ASSEMBLY >

[MR20DD]

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In grinding crankshaft main journal to use undersize bearings,
keep the fillet R [1.5 - 1.7 mm (0.059 - 0.067 in)] (A). 

Bearing undersize table:

Refer to 

EM-257, "Main Bearing"

.

PBIC3263J

EM-248

< SERVICE DATA AND SPECIFICATIONS (SDS) 

[MR20DD]

SERVICE DATA AND SPECIFICATIONS (SDS)

SERVICE DATA AND SPECIFICATIONS (SDS)

SERVICE DATA AND SPECIFICATIONS (SDS)

General Specification

INFOID:0000000010735677

GENERAL SPECIFICATIONS

Unit: degree

Drive Belt

INFOID:0000000010735678

DRIVE BELT

Spark Plug

INFOID:0000000010735679

SPARK PLUG

Engine type

MR20DD

Cylinder arrangement

In-line 4

Displacement    cm

3

 (cu in)

1,997 (121.86)

Bore and stroke    mm (in)

84.0

×

90.1 (3.307

×

3.547)

Valve arrangement

DOHC

Firing order

1-3-4-2

Number of piston rings

Compression

2

Oil

1

Compression ratio

11.2

Compression pressure

kPa (bar, kg/cm

2

, psi)/250 rpm

Standard

1,530 (15.3, 15.6, 222)

Minimum

1,280 (12.8, 13.1, 186)

Differential limit between cylinders

100 (1.0, 1.0, 15)

Valve timing

: Intake valve

: Exhaust valve

VTC Minimum phasing (Mechanical)

VTC Maximum phasing (Mechanical)

a

EXH valve open-

ing angle

b

INT valve open-

ing angle

c

INT open

d

INT close

e

EXH close

f

EXH open

VTC Minimum 
phasing (Mechani-
cal)

220

240

18

78

0

40

VTC Maximum 
phasing (Mechani-
cal)

24

36

57

17

JPBIA6790GB

JPBIA6791GB

Tension of drive belt

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

SERVICE DATA AND SPECIFICATIONS (SDS)

EM-249

< SERVICE DATA AND SPECIFICATIONS (SDS) 

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Unit: mm (in)

Exhaust Manifold

INFOID:0000000010735680

EXHAUST MANIFOLD

Unit: mm (in)

Camshaft

INFOID:0000000010735681

CAMSHAFT

Unit: mm (in)

*: Total indicator reading

VALVE LIFTER

Unit: mm (in)

Make

NGK

Standard type

DILKAR7D11H

Gap (Nominal)

Standard

1.1 (0.043)

Limit

1.3 (0.051)

Items

                                Limit

Surface distortion

Each exhaust port

0.3 (0.012)

Entire part

0.7 (0.028)

Items

Standard

Limit

Camshaft journal oil clearance

No. 1

0.045 - 0.086 (0.0018 - 0.0034)

0.15 (0.0059)

No. 2, 3, 4, 5

0.030 - 0.071 (0.0012 - 0.0028)

Camshaft bracket inner diameter

No. 1

28.000 - 28.021 (1.1024 - 1.1032)

—

No. 2, 3, 4, 5

25.000 - 25.021 (0.9843 - 0.9851)

—

Camshaft journal diameter

No. 1

27.935 - 27.955 (1.0998 - 1.1006)

—

No. 2, 3, 4, 5

24.950 - 24.970 (0.9823 - 0.9831)

—

Camshaft end play

0.075 - 0.153 (0.0030 - 0.0060)

0.24 (0.0094)

Camshaft cam height “A”

Intake

45.265 - 45.455 (1.7821 - 1.7896)

45.085 (1.7750)

Exhaust

43.775 - 43.965 (1.7234 - 1.7309)

43.575 (1.7156)

Camshaft runout [TIR*]

Less than 0.02 (0.0008)

0.05 (0.0020)

Camshaft sprocket runout [TIR*]

—

0.15 (0.0059)

SEM671

Items

Standard

Valve lifter outer diameter

Intake

33.977 - 33.987 (1.3377 - 1.3381)

Exhaust

29.977 - 29.987 (1.1802 - 1.1806)

EM-250

< SERVICE DATA AND SPECIFICATIONS (SDS) 

[MR20DD]

SERVICE DATA AND SPECIFICATIONS (SDS)

VALVE CLEARANCE

Unit: mm (in)

 *: Approximately 80

°

C (176

°

F)

AVAILABLE VALVE LIFTER

Unit: mm (in)

Valve lifter hole diameter

Intake

34.000 - 34.021 (1.3386 - 1.3394)

Exhaust

30.000 - 30.021 (1.1811 - 1.1819)

Valve lifter clearance

0.013 - 0.044 (0.0005 - 0.0017)

Items

Cold

Hot* (reference data)

Intake

0.24 - 0.32 (0.009 - 0.013)

0.304 - 0.416 (0.012 - 0.016)

Exhaust

0.26 - 0.34 (0.010 - 0.013)

0.308 - 0.432 (0.012 - 0.017)

Identification mark 

Thickness 

300H

3.00 (0.1181)

302H

3.02 (0.1189)

304H

3.04 (0.1197)

306H

3.06 (0.1205)

308H

3.08 (0.1213)

310H

3.10 (0.1220)

312H

3.12 (0.1228)

314H

3.14 (0.1236)

316H

3.16 (0.1244)

318H

3.18 (0.1252)

320H

3.20 (0.1260)

322H

3.22 (0.1268)

324H

3.24 (0.1276)

326H

3.26 (0.1283)

328H

3.28 (0.1291)

330H

3.30 (0.1299)

332H

3.32 (0.1307)

334H

3.34 (0.1315)

336H

3.36 (0.1323)

338H

3.38 (0.1331)

340H

3.40 (0.1339)

342H

3.42 (0.1346)

344H

3.44 (0.1354)

JPBIA0170ZZ