Engine. Nissan Micra (since 2002 of release)
Service and to Nissan Micra car repairs (since 2002 of release)
1. Introduction
2. Governing bodies and operation receptions
3. Settings and routine maintenance of the car
4. Engine
4.1. General information and preparatory operations
4.2. Check of kompressionny pressure
4.3. Engine check by means of the vacuum gage
4.4. Check of pressure of impellent oil
4.5. Replacement of belts of a drive of auxiliary units and intermediate rollers of belts
4.6. Removal and installation of the inlet pipeline
4.7. Removal and installation of a final collector, catalytic converter and lambda probe
4.8. Removal and installation of the pallet of a case and maslozabornik
4.9. Removal and installation of a cover of a head of cylinders
4.10. Removal, check and installation of camshafts
4.11. Check and adjustment of klapanny gaps
4.12. Removal and installation of a chain of a drive of GRM
4.13. Removal and installation of epiploons of a cranked shaft
4.14. Removal and installation, dismantling and assembly of a head of cylinders
4.15. Removal and installation of the power unit
4.16. Service of the oil pump
4.17. Dismantling and assembly of the block of cylinders
5. Systems of cooling of the engine, heating, ventilation and air conditioning
6. A power supply system and production of the fulfilled gases
7. Systems of electric equipment of the engine
8. Manual box of gear shifting and coupling
9. Automatic transmission
10. Power shafts, rotary fists and stupichny assemblies
11. Brake system
12. Suspension bracket and steering
13. Body
14. Onboard electric equipment
15. Electric equipment schemes
 







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4. Engine

Specifications

General information and specifications

Designations of engines, their maximum capacity
  • CR10DE
1.0 l, 65 h.p. 5600 rpm
  • CR12DE
1.2 l, 65 h.p. 5200 rpm
  • CR12DE
1.2 l, 80 h.p. 5200 rpm
  • CR14DE
1.4 l, 88 h.p. 5200 rpm
Type of engines Petrol, ryadny, 4-cylinder, DOHC, without a turbo-supercharging
Volume of cylinders, cm3
  • CR10DE
977
  • CR12DE
1240
  • CR14DE
1386
Diameter of the cylinder//piston stroke, mm
  • CR10DE
71.0/63.0
  • CR12DE
71.0/78.3
  • CR14DE
73.0/82.8
Idling turns (models with RKPP//AT), rpm 650/700
Corner of an advancing of ignition idling (on an angle of rotation of a cranked shaft, a hail. to VMT) 5 ± 5
Extent of compression
  • CR10DE
10.2:1
  • CR12DE and CR14DE
9.9:1
Kompressionnoye pressure of CR10DE//CR12DE and CR14DE engines, atm
  • The standard
14.32/13.83
  • The minimum admissible
12.36/11.87
Difference of kompressionny pressure in different cylinders, atm 0.98
Pressure of impellent oil, kPa
  • At idling turns
44.1
  • At 2000 rpm
265
  • At 6000 rpm
373
Axial gap between the case of the oil pump and an external or internal rotor, mm 0.025 ÷ 0.075
Gap between an internal rotor of the oil pump and a tinned part of the case, mm 0.045 ÷ 0.095
Sequence of ignition 1-3-4-2
Limiting not planeness of interfaced surfaces of the inlet pipeline and final collector, mm 0.3
Limiting not planeness of the block and head of cylinders, mm 0.1
Height of a head of cylinders, mm 121.2

Phases GRM (without dynamic adjustment)

 
a
b
c
d
e
f
CR10DE
208
208
- 17
45
4
24

CR12DE, CR14DE

216
224
- 11
55
4
32

Control sizes of the valve

Diameter (D) head inlet//final valve, mm (27.5/22.5)) ± 0.1
Length (L) inlet//final valve, mm 97.85/97.92
Diameter (d) of a core inlet//final valve, mm 5.465 ÷ 5.480/5.445 ÷ 5.460
Corner of a facet of saddles of valves, hail 45
Thickness (T) of a corbel of the valve, mm 1.05 ÷ 1.35
Klapannye gaps inlet//final valves, mm
  • The hot
0.314 ÷ 0.426/0.338 ÷ 0.462
  • The cold
0.29 ÷ 0.37/0.32 ÷ 0.40
Length of a klapanny spring without loading, mm 53.3
Tension (N) of a klapanny spring at length (mm)
  • At installation
149 ÷ 165 at 32.82
  • At the open valve
149 ÷ 165 at 32.82
Tolerance of a klapanny spring from a right angle on its length, mm no more than 1.6
External diameter of a pusher of the valve, mm 29.960 ÷ 29.975
Internal diameter of a pro-point under a pusher of the valve, mm 30.000 ÷ 30.021
Люфт a valve pusher in a landing nest, mm 0.025 ÷ 0.061

Thickness of available pushers of valves *, mm 3.00 ÷ 3.68 with a step 0.02
Radial palpation of a camshaft (at neck No. 3 level), mm 0.04
Axial palpation of a camshaft, mm 0.070 ÷ 0.143

Height of cams (A) inlet//final camshaft, mm
  • CR10DE engine
39.155 ÷ 39.345/39.155 ÷ 39.345
  • CR12DE and CR14DE engines
40.359 ÷ 40.549/39.743 ÷ 39.933
Diameter of necks of camshafts, mm
  • Neck No. 1
27.935 ÷ 27.955
  • Necks No. 1-№5
23.450 ÷ 23.470
Internal diameter of bearings of camshafts, mm
  • Neck No. 1
28.000 ÷ 28.021
  • Necks No. 1-№5
23.500 ÷ 23.525
Люфт camshaft necks in the bearing, mm
  • Neck No. 1
0.045 ÷ 0.086
  • Necks No. 1-№5
0.030 ÷ 0.071
Height of the block of cylinders, mm 189

Internal diameter of the piston of engines 1.0 and 1.2 of l//1.4 l, mm
  • 1st size
71.00 ÷ 71.01/73.00 ÷ 73.01
  • 2nd size
71.01 ÷ 71.02/73.01 ÷ 73.02
  • 3rd size
71.02 ÷ 71.03/73.02 ÷ 73.03
Difference between internal diameters of different cylinders, mm
  • The standard
0.05
  • The limiting
0.2
Limiting ovality of the cylinder (X-Y), mm 0.015
Limiting konusnost of the cylinder (A-C), mm 0.01
Internal diameter of a bed of the radical bearing of a cranked shaft, mm
The standard 49.000 ÷ 49.004
  • 1st size
49.004 ÷ 49.008
  • 2nd size
49.008 ÷ 49.012
  • 3rd size
49.016 ÷ 49.016

Diameter (A) of a skirt of the piston of engines 1.0 and 1.2 of l//1.4 l, mm
  • 1st size
70.98 ÷ 70.99/72.98 ÷ 72.99
  • 2nd size
70.99 ÷ 71.00/72.99 ÷ 73.00
  • 3rd size
71.00 ÷ 71.01/73.00 ÷ 73.01
  • Repair size "0.2"
71.18 ÷ 71.21/73.18 ÷ 73.21
Height (H) of the piston, mm
  • Engine of 1.0 l
37.3
  • Engine of 1.2 l
34.3
  • Engine of 1.4 l
32.3
Internal diameter under a piston finger, mm 18.008 ÷ 18.012
Люфт the piston in the cylinder, mm 0.01 ÷ 0.03
Standard//limiting люфт a piston ring in a flute, mm
  • 1st kompressionny
0.04 ÷ 0.08/0.11
  • 2nd kompressionny
0.025 ÷ 0.070/0.1
  • Maslosjemnoye
0.03 ÷ 0.14/-
Standard//a limiting gap in the lock of a piston ring, mm
  • 1st kompressionny
0.18 ÷ 0.33/0.57
  • 2nd kompressionny
0.50 ÷ 0.65/0.85
  • Maslosjemnoye
0.20 ÷ 0.70/0.96
External diameter of a piston finger, mm 17.996 ÷ 18.000
Люфт between a piston finger and the piston//a rod, in mm 0.08 ÷ 0.016/-0.018 ÷-0.038
Distance between centers rod, mm
  • Engine of 1.0 l
120.70 ÷ 120.80
  • L engines 1.2 and 1.4
129.45 ÷ 129.55
Limiting curvature//rod twisting on 100 mm of length, mm 0.15/0.30
Internal diameter of the plug established in the top head of a rod, mm 17.962 ÷ 17.978
Internal diameter of the bottom head of a rod, mm 43.000 ÷ 43.013
Standard//limiting lateral люфт rod, mm 0.05 ÷ 0.42/0.5

Diameter (Dm) radical necks of a cranked shaft, mm
  • The standard
44.966 ÷ 44.970
  • 1st size
44.962 ÷ 44.966
  • 2nd size
44.958 ÷ 44.962
  • 3rd size
44.954 ÷ 44.958
Diameter (Dp) of shatunny necks of a cranked shaft, mm 39.961 ÷ 39.974
Limiting ovality (X-Y) and konusnost (A-B) of necks of a cranked shaft, mm 0.005
Radial palpation of a cranked shaft, mm 0.05
Standard//limiting axial palpation of a cranked shaft, mm 0.06 ÷ 0.26/0.3
Thickness (mm)//color marking of radical bearings of a cranked shaft
  • The standard
    • 2.002 ÷ 2.006/the red
 
    • 2.004 ÷ 2.008/the green
 
    • 2.006 ÷ 2.010/the yellow
 
    • 2.008 ÷ 2.012/the dark blue
 
    • 2.010 ÷ 2.014/the pink
 
    • 2.012 ÷ 2.016/the white
 
    • 2.014 ÷ 2.018/the dark blue/yellow
 
  • Repair (0.25)
2.123 ÷ 2.131
Standard//limiting люфт radical bearings, mm 0.018 ÷ 0.034/0.05
Thickness (mm) standard//repair (0.25) shatunny bearings of a cranked shaft 1.104 ÷ 1.508/1.627 ÷ 1.635
Standard//limiting люфт shatunny bearings, mm 0.010 ÷ 0.044/0.064
Limiting radial palpation of a flywheel, mm 0.15
Limiting radial palpation inlet//final camshaft, mm 0.20/0.15

* — the Label on a pusher corresponds to a decimal part of size of its thickness

Efforts of a tightening of carving connections, N • m

The arrangement of fixture and effort of its tightening are specified also on сопр. illustrations to the text of sections.


Lock-nuts of intermediate pulleys 24.5 ÷ 31.4
Arm of an intermediate pulley of a belt of the generator and To/in compressor 16.6 ÷ 23.5
MAP sensor 1.2 ÷ 1.7
Coupling fixture of the top and bottom sections of the case of an air purifier
  • 1st stage
1.9 ÷ 2.2
  • 2nd stage
3.8 ÷ 4.4
Assembly of the case of an air purifier 5.4 ÷ 7.3
Butterfly valve activator 7.2 ÷ 9.6
Ø/m valve of management of pumping of an adsorber of EVAP 4.3 ÷ 5.8
Inlet pipeline 6.9 ÷ 9.4
Basic arm of the inlet pipeline
  • M6x15
6.9 ÷ 9.4
  • M6x12
8.4 ÷ 10.8
Assembly of injectors and fuel distributive highway
  • 1st stage
11.8 ÷ 13.8
  • 2nd stage
20.8 ÷ 28.2
Collar of a fuel submitting tube 1.0 ÷ 1.5
Final collector 25.5 ÷ 29.4
Cover of a final collector 6.3 ÷ 8.3
Dokatalitichesky lambda probe 40 ÷ 50
Holder of electroconducting lambda probe 6.9 ÷ 9.5
Catalytic converter 29.4 ÷ 34.3
Support of the catalytic converter 33.3 ÷ 46.1
Cover of the catalytic converter 6.3 ÷ 8.3
Ignition coil 3.8 ÷ 4.4
Spark plug 19.6 ÷ 29.4
Cover of a head of cylinders
  • M6x45
8.8 ÷ 10.8
  • M6x20
6.9 ÷ 10.8
Ø/m valve of adjustment of phases of inlet valves 6.3 ÷ 8.3
The holder of electroconducting on a cover of a head of cylinders 6.3 ÷ 8.3
Bottom and top sections of the pallet of a case 6.9 ÷ 9.5
Drain stopper of the pallet of a case 29.4 ÷ 39.2
Connecting bolt of the top section of the pallet of a case and transmission 16.6 ÷ 23.5
Maslozabornik 6.3 ÷ 8.3
Forward cover of a head of cylinders 6.9 ÷ 9.5
Natyazhitel of GRM chain 6.9 ÷ 9.5
CMP sensor 7.1 ÷ 10.8
Asterisks of camshafts 78.4 ÷ 88.2
Top support of camshafts
  • 1st stage
2.0
  • 2nd stage
5.9
  • 3rd stage
9.0 ÷ 11.8
Lever of a natyazhitel of a chain of GRM 12.7 ÷ 18.6
GRM directing to a chain 16.6 ÷ 23.5
Pulley of a cranked shaft 132.4 ÷ 152.0
Forward cover of the block of cylinders 6.3 ÷ 8.3
Bolts of fastening of a head of cylinders
  • 1st stage
61.7 ÷ 71.7
  • 2nd stage
to release
  • 3rd stage
22.5 ÷ 32.5
  • 4th stage
to hold on on a corner 90 ÷ 95 hail.
Auxiliary bolt of a head of cylinders 9.0 ÷ 11.8
Elevating eye of the block of cylinders 16.6 ÷ 23.5
Pillow of the left support of the engine 95 ÷ 115
Arm of the left support of the engine
  • From the engine
43 ÷ 54
  • From transmission
60 ÷ 70
Rack of the right support of the engine 40 ÷ 50
Pillow of the right support of the engine 60 ÷ 70
Arms of the right support of the engine 40 ÷ 50
Arms of a back support of the engine
  • Models with AT
64 ÷ 74
  • Models with RKPP
75 ÷ 85
Back pendular lever of the engine 75 ÷ 85
Connecting nut between a pillow and an arm (from transmission) the left support of the engine 60 ÷ 70
Connecting bolt between a pillow and the top arm of the right support of the engine 90 ÷ 100
Covers of radical bearings of a cranked shaft
  • 1st stage
24.5 ÷ 30.3
  • 2nd stage
to hold on on a corner 95 ÷ 100
Covers of shatunny bearings of a cranked shaft
  • 1st stage
13.7 ÷ 15.7
  • 2nd stage
to hold on on a corner 45 ÷ 50
Case of a back epiploon of a cranked shaft 6.9 ÷ 9.5
Flywheel 83.4 ÷ 93.2
Driving disk 93.2 ÷ 103
Detonation sensor 15.7 ÷ 20.6
CKP sensor 7.1 ÷ 10.8
Sensor of pressure of impellent oil 18.7 ÷ 20.5
Oil filter 11 — 14
Cover of the oil pump 6.3 ÷ 8.3



3.21. Condition check, adjustment and replacement of brushes of screen wipers

4.1. General information and preparatory operations