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4.2.1. Technical characteristic

The OHC engine is an engine with one camshaft installed in a head of the block of cylinders.

Type
All models
The engine with four cylinders rowed, with water cooling, established cross in a forward part of the car. The drive of valves is carried out by one camshaft put in action by a gear belt
Codes of engines:
  – models of 1,3 l
13 N, 13 NB or 13 S
  – models of 1,4 l
14 NV or C14 NZ
  – models of 1,6 l
16 SH, 16 SV or C16 NZ
  – models of 1,8 l
18 E or 18 SE
  – models of 2,0 l
20 NE, 20 SEH, 20 SER or C20 NE

Prevention

The code of the engine is specified by the first figures from number of the engine.


Diameter of the piston x Piston stroke:
  – models of 1,3 l
75,0 x 73,4 mm
  – models of 1,4 l
77,6 x 73,4 mm
  – models of 1,6 liters:
     • engine 16 SH
80,0 x 79,5 mm
     • engines 16 SV and C16 NZ
79,0 x 81,6 mm
  – models of 1,8 l
84,8 x 79,5 mm
  – models of 2,0 l
86,0 x 86,0 mm
Working volume:
  – models of 1,3 l
1297 cm3
  – models of 1,4 l
1389 cm3
  – models of 1,6 l
1598 cm3
  – models of 1,8 l
1796 cm3
  – models of 2,0 l
1998 cm3
Operating procedure of cylinders:
All models
1–3–4–2 (the cylinder No. 1 is located from a gear belt)
Direction of rotation of a bent shaft
Clockwise
Extent of compression:
  – engines 13 N and 13 NB
8,2: 1
  – engines 13 S, 16 SH, 20 NE and C20 NE
9,2: 1
  – engines 14 NV or C14 NZ
9,4: 1
  – engines 18 E
9,5: 1
  – engines 16 SV, C16 NZ, 18 SE, 20 SEH and 20 SER
10,0: 1
Tension of a gear belt (when using the KM-510-A device):
  – l engines 1,3 and 1,4:
     • new belt cold
6,0
     • new belt, warm
8,0
     • the belt which was in the use cold
5,0
     • the belt which was in the use warm
7,5
  – l engines 1,6, 1,8 and 2,0:
     • new belt cold
3,0
     • new belt, warm
8,0
     • the belt which was in the use cold
3,0
     • the belt which was in the use warm
8,0

Head of the block of cylinders

Material (all models)
Light alloy
The most admissible neploskosnost of the lower surface of a head of the block of cylinders (all models)
0,025 mm
Height of a head of the block of cylinders (all models)
95,75 - 96,25 mm
Valve saddle width:
  – inlet:
     • all engines 1,3, 1,4, 1,6 of l and 18 E
1,3 - 1,4 mm
     • engines 18 SE and all 2,0 l
1,0 - 1,5 mm
  – final:
     • all engines 1,3, 1,4, 1,6 of l and 18 E
1,7 - 1,8 mm
     • engines 18 SE and all 2,0 l
1,7 - 2,2 mm

Valve and guides of valves

Valvate gap
It is automatically regulated by hydraulic pushers of the valve
Valve length:
  – engines of 1,3 l
105,3 mm
  – engines of 1,4 l
105,0 mm
  – engines of 1,6 l:
     • engines 16 SH
106,5 mm
     • engines 16 SV and C16 NZ
101,5 mm
  – engines of 1,8 l:
     • engines 18. Е
106,5 mm
     • engines 18.SE
104,2 mm
  – engines of 2,0 liters
104,2 mm
Valve gap in a guide:
Inlet:
  – l engines 1,3 and 1,4
0,020 - 0,050 mm
  – engines of 1,6 l:
     • engines 16 SH and 16 SV
0,015 - 0,042 mm
     • C16 NZ engines
0,020 - 0,050 mm
  – engine of 1,8 l:
     • engines 18 E
0,015 - 0,042 mm
     • engines 18SE
0,018 - 0.052 mm
     • engines of 2,0 l
0,018 - 0.052 mm
Final:
  – l engines 1,3 and 1,4
0,040 - 0,070 mm
  – engines of 1,6 l:
     • engines 16 SH and 16 SV
0,030 - 0,060 mm
     • C16 NZ engines
0,020 - 0,050 mm
  – engine of 1,8 l:
     • engines 18 E
0,030 - 0,060 mm
     • engines 18SE
0,040 - 0,070 mm
  – engines of 2,0 l
0,040 - 0,070 mm
Height of the directing valve plug:
L engines 1,3 and 1,4
80,85 - 81,25 mm
All engines of 1,6 l and 18 E
80,95 - 81,85 mm
Engines 18 SE and all engines of 2,0 l
83,50 - 83,80 mm
Diameter of a core of the valve:
Inlet:
  – engines of 1,3 l
7,000 - 7,010 mm
  – engines of 1,4 l
6.998 - 7.012 mm
  – engines of 1,6 l:
     • engines 16 SH and 16 SV
7,795 - 7,970 mm
     • C16 NZ engines
6,998 - 7,012 mm
  – engine of 1,8 l:
     • engines 18 E
7,795 - 7,970 mm
     • engines 18SE
6,998 - 7,012 mm
  – engines of 2,0 l
6,998 - 7,012 mm
Final:
  – engines of 1,3 l
7,000 - 7,010 mm
  – engines of 1,4 l
6.978 - 6.992 mm
  – engines of 1,6 l:
     • engines 16 SH and 16 SV
7,957 - 7,970 mm
     • C16 NZ engines
6,978 - 6,992 mm
  – engine of 1,8 l:
     • engines 18 E
7,957 - 7,970 mm
     • engines 18SE
6,978 - 6,992 mm
  – engines of 2,0 l
6,978 - 6,992 mm
The increased sizes
0,075, 0,150, 0,250 mm
Internal diameter of the directing valve plug:
  – l engines 1,3 and 1,4
7,030 - 7,050 mm
  – l engines 1,6, 1,8 and 2,0
8,000 - 8,017 mm

Camshaft

The most admissible curvature of an axis of the camshaft (all models)
At most 0,03 mm
Axial side play (all models)
0,09 - 0,21 mm
Diameter of necks of bearings of the camshaft:
Engines 1,3, 1,4 and 1,6l (C16 NZ):
  – number 1
39,435 - 39,450 mm
  – number 2
39,685 - 39,700 mm
  – number 3
39,935 - 39,950 mm
  – number 4
40,125 - 40,200 mm
  – number 5
40,435 - 40,450 mm
Engines of 1,6 l (16 SH and 16 SV), l engines 1,8 and 2,0:
  – number 1
42,455 - 42,470 mm
  – number 2
.42,705 - 42,720 mm
  – number 3
42,955 - 42,970 mm
  – number 4
43,205 - 43,220 mm
  – number 5
43,455 - 43,470 mm
Diameter of necks of bearings of the camshaft (in the case)
Engines 1,3, 1,4 and 1,6 of l (C16 NZ):
  – number 1
39,500 - 39,525 mm
  – number 2
39,750 - 39,775 mm
  – number 3
40,000 - 40,025 mm
  – number 4
40,250 - 40,275 mm
  – number 5
40,550 - 40,525 mm
Engines of 1,6 l (16 SH and 16 SV), l engines 1,8 and 2,0:
  – number 1
42,500 - 42,525 mm
  – number 2
42,750 - 42,775 mm
  – number 3
43,000 - 43,025 mm
  – number 4
43,250 - 43,275 mm
  – number 5
43,500 - 43,525 mm

Piston rings

Quantity on one piston (all models)
2 compression and 1 oil scraper
Gap in the lock of a piston ring:
  – compression
0,3 - 0,5 mm
  – oil scraper (top and lower ring)
0,4 - 1,4 mm
Shift of locks of rings in relation to the lock of an oil scraper ring
180 °

Piston fingers

Length:
  – l engines 1,3 and 1,4
65 mm
  – l engines 1,6, 1,8 and 2,0
70 mm
Diameter:
  – l engines 1,3 and 1,4
20 mm
  – l engines 1,6, 1,8 and 2,0
23 mm
Gap in the piston:
  – l engines 1,3 and 1,4
0,007 - 0,010 mm
  – l engines 1,6, 1,8 and 2,0
0,011 - 0,014 mm
Gap in a rod
Is not present (motionless landing)

Bent shaft and bearings

Number of radical bearings
5
Diameter of radical necks:
  – engines 1,3, 1,4, and 1,6 (16 SV and C16 NZ) l
54,972 – 54,985 mm
  – engines 1,6 (16 SH), l engines 1,8 and 2,0
57,982 – 57,995 mm
Diameter of a conrod neck:
  – engines 1,3, 1,4, and 1,6 (16 SV and C16 NZ) l
42,971 – 42,987 mm
  – engines 1,6 (16 SH), l engines 1,8 and 2,0
48,971 – 48,987 mm
The increased size
0,25 and 0,50 mm
Axial side play of a bent shaft:
  – engines 1,3, 1,4, and 1,6 (16 SV and C16 NZ) l
0,1 – 2,0 mm
  – engines 1,6 (16 SH), l engines 1,8 and 2,0
0,07 – 0,3 mm
Gap in radical bearings:
  – engines 1,3, 1,4, and 1,6 (16 SV and C16 NZ) l
0,025 – 0,05 mm
  – engines 1,6 (16 SH), l engines 1,8 and 2,0
0,015 – 0,04 mm
Gap in conrod bearings:
  – engines 1,3, 1,4, and 1,6 (16 SV and C16 NZ) l
0,019 – 0,071 mm
  – engines 1,6 (16 SH), engines of 1,8 l
0,019 – 0,063 mm
  – engines of 2,0 l
0,006 – 0,031 mm
Side side play of a rod:
  – engines 1,3, 1,4, and 1,6 (16 SV and C16 NZ) l
0,11 – 0,24 mm
  – engines 1,6 (16 SH), l engines 1,8 and 2,0
0,07 – 0,24 mm
Identification of inserts:
Top inserts:
  – radical inserts, standard
Brown
  – radical inserts, the increased 0,25 mm
Brown / blue
  – radical inserts, the increased 0,5 mm
Brown / white
  – connecting rods, standard
No
  – connecting rods, the increased 0,25 mm
Blue
  – connecting rods, the increased 0,5 mm
White
Lower inserts:
  – radical inserts, standard
Green
  – radical inserts, the increased 0,25 mm
Green / blue
  – radical inserts, the increased 0,5 mm
Green / white
  – connecting rods, standard
No
  – connecting rods, the increased 0,25 mm
Blue
  – connecting rods, the increased 0,5 mm
White
Ovality of radical and conrod necks (all models)
At most 0,04 mm
Side side play of a bent shaft (on the central neck)
At most 0,03 mm

Flywheel

The maximum size of regrinding of the surface interfaced to a clutch plate
0,3 mm

Lubrication system

Gaps in the oil pump
Between internal and external rotors (all engines)
0 – 0,2 mm
Axial side play between the case and a rotor:
  – engines 1,3, 1,4 and 1,6 (16 SV and C16 NZ) l
0,08 – 0,15 mm
  – l engines 1,6 (16 SH), 1,8 and 2,0
0,03 – 0,10 mm
Oil pressure on idling turns on the warm engine (the engine warm)
1,5 bars

Tightening moments

Flywheel to a bent shaft:
  – engines of 1,3 l
60 Nanometer
  – engines 1,4 and 1,6 (16 SV and C16 NZ) l:
     • stage 1
35 Nanometer
     • stage 2
To tighten on a corner 30 – 45 °
  – engines 1,6 (16SH), 1,8 (18E) of l:
     • stage 1
50 Nanometer
     • stage 2
To tighten on a corner 25 – 35 °
  – l engines 1,8 (18 SE) and 2,0:
     • stage 1
65 Nanometer
     • stage 2
To tighten on a corner 30 – 45 °
Drive plate to a bent shaft
60 Nanometer
Fastening of a cover of the radical bearing
Engine of 1,3 l:
  – bolts No. 11 082 602
65 Nanometer
  – bolts No. 90 215 694:
     • stage 1
50 Nanometer
     • stage 2
To tighten on a corner 45 – 60 °
Engines 1,6 (16 SH) and 1,8 (18E) of l:
  – bolts No. 90 215 047
65 Nanometer
  – bolts No. 90 234 048:
     • stage 1
50 Nanometer
     • stage 2
To tighten on a corner 45 – 60 °
Engines 1,4 and 1,6 (16 SV and C16 NZ) l:
  – stage 1
50 Nanometer
  – stage 2
To tighten on a corner 45 – 60 °
L engines 1,8 (18 SE) and 2,0:
  – stage 1
50 Nanometer
  – stage 2
To tighten on a corner 45 – 50 °
Head of the safety valve of pressure of the oil pump
30 Nanometer
Oil pressure sensor
30 Nanometer
Oil pump
6 Nanometer
Oil discharge stopper
45 Nanometer
Oil pallet
5 Nanometer
Fastening of a cover of the conrod bearing:
Engines 1,3, 1,4 and 1,6 (16 SV and C16 NZ) l:
  – bolts with a length of carving of 15 mm
28 Nanometer
  – bolts with a length of carving of 40 mm:
     • stage 1
25 Nanometer
     • stage 2
To tighten on a corner 30 °
Engines 1,6 (16 SH) and 1,8 (18 E)
45 Nanometer
L engines 1,8 (18 SE) and 2,0:
  – stage 1
35 Nanometer
  – stage 2
To tighten on a corner 45 °
Bolts of fastening of a head of the block of cylinders:
  – engines 1,3, 1,4 of l and 1,6 (16 SV and C16 NZ) l:
     • stage 1
25 Nanometer
     • stage 2
To tighten on a corner 60 °
     • stage 3
To tighten on a corner 60 °
     • stage 4
To tighten on a corner 30 °
     • warm up the engine up to the normal working temperature
To tighten on a corner 30 °
  – l engines 1,6 (16 SH), 1,8 and 2,0:
     • stage 1
25 Nanometer
     • stage 2
To tighten on a corner 60 °
     • stage 3
To tighten on a corner 60 °
     • stage 4
To tighten on a corner 60 °
Warm up the engine up to the normal working temperature
To tighten on a corner 30 °
Bolt of fastening of a pulley of the camshaft
45 Nanometer
Bolts of fastening of a pulley of a bent shaft
Engines 1,3, 1,4 and 1,6 (16 SV and C16 NZ) l:
  – bolts with a length of carving of 23 mm
55 Nanometer
  – bolts with a length of carving of 30 mm:
     • stage 1
55 Nanometer
     • stage 2
To tighten on a corner 40 – 60 °
L engines 1,6, 1,8 and 2,0
20 Nanometer
Bolts of fastening of a pulley of a bent shaft – 1,6 (16 SH), 1,8 and 2,0 l:
  – stage 1
130 Nanometer
  – stage 2
To tighten on a corner 40 – 50 °
Bolts of fastening of a starter:
  – engines of 1,3 l
25 Nanometer
  – l engines 1,6, 1,8 and 2,0
45 Nanometer
Support of the power unit to the block of cylinders
50 Nanometer
Support of the power unit to the transmission
30 Nanometer
Support of the power unit to a body
40 Nanometer
Generator arm
40 Nanometer
The fuel pump to a head of the block of cylinders
18 Nanometer

Prevention

All bolts which dovorachivatsya on a certain corner have to be replaced every time after their unscrewing.