Service of Nissan Sunny from 1991 to 1997 release in n-14 body.
1. Maintenance instruction
2. Maintenance
3. Engines
3.1. 1,4 and 1,6 liters petrol engine
3.1.1. Types of repair of the engine without dismantle from the car
3.1.2. Dismantle and capital repairs of the engine
3.1.2.1. Specifications
3.1.2.2. Capital repairs of the engine
3.1.2.3. Diagnostics of the engine by means of the vacuum gage
3.1.2.4. The power unit from the manual transmission
3.1.2.5. The power unit with automatic transmission
3.1.2.6. Head of the block of cylinders
3.1.2.7. Head of cylinders and valves
3.1.2.8. Pistons and rods
3.1.2.9. Crankshaft
3.1.2.10. Block of cylinders
3.1.2.11. Conrod and piston group
3.1.2.12. Radical and conrod bearings
3.1.2.13. Piston rings
3.1.2.14. Launch of the engine after capital repairs
3.2. 2,0 liters petrol engine
3.3. Diesel engine
4. Cooling system
5. System of heating and ventilation
6. Fuel and exhaust system
7. System of launch of the engine
8. Coupling
9. Transmissions
10. Half shafts
11. Brakes
12. Suspension brackets and steering
13. Body
14. Electric equipment
 







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3.1.2.1. Specifications

Head of the block of cylinders

Maximum permissible deformation of the demountable plane
0,1 mm
Height
117,0 – 118,0 mm

Valves

Diameter of a head of the valve
Inlet:
  – for engines of 1,4 l
28,9 – 29,1 mm
  – for engines of 1,6 l
29,9 – 30,1 mm
Final:
  – for engines of 1,4 l
23,9 – 24,1 mm
  – for engines of 1,6 l
23,9 – 24,0 mm
Diameter of a core of the valve:
  – inlet
5,465 – 5,480 mm
  – final
5,445 – 5,460 mm
Gap between the directing plug and a core of the valve:
  – inlet
  0,020 - 0,050 mm
  – final
0,040 – 0,070 mm

Block of cylinders

Internal diameter of the cylinder

For engines of 1,4 l:

  – group 1

73,600 – 73,610 mm

  – group 2

73,610 – 73,620 mm

  – group 3

73,620 – 73,630 mm

  – repair

0,5 and 1,0 mm

For engines of 1,6 l:

  – group 1
76,000 – 76,010 mm
  – group 2
76,010 – 76,020 mm
  – group 3
76,020 – 76,030 mm
  – repair
0,5 and 1,0 mm
Pistons and rods
Diameter of the piston
For engines 1,4l (it is measured at distance of 9,5 mm from edge of a skirt):
  – group 1
73,575 – 73,585 mm
  – group 2
73,585 – 73,595 mm
  – group 3
73,595 – 73,605 mm
  – the 1st repair (0,5)
74,075 – 74,105 mm
  – the 2nd repair (1,0)
74,575 – 74,605 mm
For engines of 1,6 l (it is measured at distance of 9,5 mm from edge of a skirt):
  – group 1
75,975 – 75,985 mm
  – group 2
75,985 – 75,995 mm
  – group 3
75,995 – 76,005 mm
  – the 1st repair (0,5)
76,475 – 76,505 mm
  – the 2nd repair (1,0)
76,975 – 77,005 mm
Gap between the piston and the cylinder
0,015 – 0,035 mm
Diameter of an opening under a piston finger
18,987 – 18,999 mm
Outer diameter of a piston finger
18,989 – 19,001 mm
Gap between a piston finger and the piston
- 0,004 – 0,000 mm (landing with a tightness)
Diameter of the plug in a rod head
18,987 – 18,999 mm
Gap between a piston finger and the plug of a head of a rod:
  – standard
0,005 – 0,017 mm
  – limit
0,023 mm
Internal diameter of an opening of a rod under the conrod bearing
43,000 – 43,013 mm
Side gap in the conrod bearing:
  – standard
0,20 – 0,47 mm
  – limit
0,52 mm

Piston rings

Gap of rings in a piston flute
  – standard:
  • for the top compression
0,040 – 0,080 mm
  • for the lower compression
0,030 – 0,070 mm
  – limit
0,2 mm
Gaps in joints of piston rings
For engines of 1,6 l:
  – standard:  
  • in the top compression
0,20 – 0,35 mm
  • in the lower compression
0,37 – 0,52 mm
  • in oil scraper
0,20 – 0,60 mm
  – limit
1,0 mm

Crankshaft

Axial side play
Standard
0,06 – 0,018 mm
Limit
0,3 mm
Beating
No more than 0,05 mm
Diameter of radical necks:
  – group 0
49,956 – 49,964 mm
  – group 1
49,948 – 49,956 mm
  – group 2
49,940 – 49,948 mm
Ovality
No more than 0,005 mm
Conicity
No more than 0,002 mm
Diameter of conrod necks:
  – group 0
39,968 – 39,974 mm
  – group 1
39,962 – 39,968 mm
  – group 2
39,956 – 39,962 mm
Ovality
No more than 0,005 mm
Conicity
No more than 0,002 mm
Gap in radical bearings:
  – standard
0,018 – 0,042 mm
  – limit
0,1 mm
Gap in conrod bearings:
  – standard
0,010 – 0,035 mm
  – limit
0,1 mm
Thickness of inserts of radical bearings
  – standard:
  • black marking
1,826 – 1,830 mm
  • brown marking
1,830 – 1,834 mm
  • green marking
1,834 – 1,838 mm
  • yellow marking
1,838 – 1,842 mm
  • blue marking
1,842 – 1,846 mm
  – repair (0,25)
1,957 – 1,965 mm
  – repair (0,50)
2,082 – 2,090 mm
Thickness of inserts of conrod bearings
  – standard:
  • black marking
1,505 – 1,508 mm
  • brown marking
1,508 – 1,511 mm
  • green marking
1,511 – 1,514 mm
  – repair (0,08)
1,542 – 1,546 mm
  – repair (0,12)
1,562 – 1,566 mm

  – repair (0,25)

1,627 – 1,631 mm

Inhaling moments (N. of m)

Bolts of wheels
88

Bolts of the holder of a back epiploon

8
Nuts of conrod covers
1st stage
15
2nd stage
to tighten on 35 – 40 ° or to tighten with the moment 25 N. of m.
Bolts of covers of radical bearings
50
Bolts of fastening of the check point to the engine:
  – less than 30 mm long
19
  – 30 mm long and more
35
Right support
  – bolts of fastening of an arm of a support to the engine
55
  – coupling bolt
49
  – bolts of the top arm
49
Left support:
  – coupling bolt
49
  – fastening bolts to a check point case
49
Forward support:
  – coupling bolt
49
  – fastening bolts to the engine
49
Back support:
  – coupling bolt
49

  – bolts of fastening of an arm

49


3.1.2. Dismantle and capital repairs of the engine

3.1.2.2. Capital repairs of the engine