Engine (General information)
Type - Four-cylinder in-line water-cooled, single overhead camshaft with hydraulic valve lifters
Engine code assigned by the manufacturer:
- Carburetor engine 1.4 l - 14 NV
- Engine 1.4 l with single point injection - C 14 NZ
- Engine 1.4 l with multi-point injection - C 14 SE
- Engine 1.6 l with single point injection - C 16 NZ
- Engine 1.6 l with multi-point injection - C 16 SE
- Engine 1.6 l - C 18 NZ
- Engine 2.0 l - C 20 NE
Cylinder diameter:
- Engine 1.4 L - 77.600 mm
- 1.6 L engine - 79,000 mm
- 1.8 L engine - 84.800 mm
- 2.0L Engine - 86,000mm
Stroke:
- 1.4L Engine - 73.400mm
- 1.6L Engine - 81.500mm
- 1.8L Engine - 79.500mm
- 2.0L Engine - 86,000mm
Working volume:
- Engine 1.4 l - 1389 cm3
- Engine 1.6 l - 1598 cm3
- Engine 1.8 l - 1796 cm3
- Engine 2.0 l - 1998 cm3
Ignition sequence - 1-3-4-2 (Cylinder number 1 is located at the distributor belt)
Direction of rotation of the crankshaft - Clockwise
Compression ratio:
- Engines 14 NV and C 14 NZ - 9.4
- Engine C 14 SE - 10.0
- Engine 16 NZ, engines C 18 NZ and C 20 NE - 9.2
- Engine C 16 SE - 9.8
Max. power:
- Engine 14 NV - 55 kW at 5800 rpm
- Engine C 14 NZ - 44 kW at 5200 rpm
- Engine C 14 SE - 60 kW at 5800 rpm
- Engine C 16 NZ - 55 kW at 5200 rpm
- Engine C 16 SE - 74 kW at 5800 rpm
- Engine C 18 NZ - 66 kW at 5400 rpm
- Engine C 20 NE - 85 kW at 5400 rpm
Max Torque
- 14 NV engine - PO Nm at 3000 rpm
- Engine C 14 NZ - 103 Nm at 2800 rpm
- Engine C 14 SE - 113 Nm at 3400 rpm
- Engine C 16 NZ - 125 Nm at 2800 rpm
- Engine C 16 SE - 135 Nm at 3400 rpm
- Engine C 18 NZ - 145 Nm at 3000 rpm
- Engine C 20 NE - 170 Nm at 2600 rpm
Max. compression pressure difference - 1 bar
Cylinder block, cast iron
- Maxim, cylinder ovality - 0.013 mm
- Max. cylinder taper - 0.013 mm
- Max. allowable oversize when boring - 0.500 mm
Cylinder diameter:
| Diameter | Marking | |
| 1.4L engines: | ||
| 1st Nominee | 77.555-77.565 mm | 6 |
| 77.565-77.575 mm | 7 | |
| 77.575-77.585 mm | 8 | |
| 2nd nominal | 77.585-77.595 mm | 99 |
| 77.595-77.605 mm | 00 | |
| 77.605-77.615 mm | 01 | |
| 77.615-77.625 mm | 02 | |
| 4th Nominee | 77.665-77.675 mm | 07 |
| Oversize by 0.5 mm | 78.065-78.075 mm | 7+0,5 |
| 1.6L engines: | ||
| 1st Nominee | 78.945-78.955 mm | 5 |
| 78.955-78.965 mm | 6 | |
| 78.965-78.975 mm | 7 | |
| 78.975-78.985 mm | 8 | |
| 2nd nominal | 78.985-78.995 mm | 99 |
| 78.995-79.005 mm | 00 | |
| 79.005-79.015 mm | 01 | |
| 79.015-79.025 mm | 02 | |
| 3rd Nominee | 79.025-79.035 mm | 03 |
| 79.035-79.045 mm | 04 | |
| 79.045-79.055 mm | 05 | |
| 79.055-79.065 mm | 06 | |
| 4th Nominee | 79.065-79.075 mm | 07 |
| 79.075-79.085 mm | 08 | |
| 79.085-79.095 mm | 09 | |
| 79.095-79.105 mm | 1 | |
| Oversize by 0.5 mm | 79.465-79.475 mm | 7+0,5 |
| 79.475-79.485 mm | 8+0,5 | |
| 79.485-79.495 mm | 9+0,5 | |
| 79.495-79.505 mm | 0+0,5 | |
| Engine 1.8L: | ||
| 2nd nominal | 84.780 mm | 8 |
| 84.790 mm | 99 | |
| 84.800 mm | 00 | |
| 84.810 mm | 01 | |
| 84.820 mm | 02 | |
| Oversize by 0.5 mm | 85.270 mm | 7+0,5 |
| Engine 2.0L: | ||
| 2nd nominal | 85.980 mm | 8 |
| 85.990 mm | 99 | |
| 86,000 mm | 00 | |
| 86.010 mm | 01 | |
| 86.020 mm | 02 | |
| Oversize by 0.5 mm | 86.470 mm | 7+0,5 |
Crankshaft and bearings
Number of main bearings - 5
| Main journal diameter: | 1.4 and 1.6 l | 1.8 and 2.0 l |
| Standard | 54.972-54.985 mm | 57.982-57.995 mm |
| Undersized by 0.25 mm | 54.722-54.735 mm | 57.732-57.745 mm |
| Undersized by 0.50 mm | 54.472-54.485 mm | 57.482-57.495 mm |
| Color coding of main bearing shells (for all models): | Bearing housing cover | cylinder head |
| Standard | Brown | Green |
| Undersized by 0.25 mm | Brown/blue | Green/blue |
| Undersized by 0.50 mm | Brown/White | Green/White |
| Middle neck width: | 1.4 and 1.6 l | 1.8 and 2.0 l |
| Standard | 26.000-26.052 mm | 25.850-25.900 mm |
| Undersized by 0.25 mm | 26.200-26.252 mm | 26.050-26.100 mm |
| Undersized by 0.50 mm | 26.400-26.452 mm | 26.250-26.300 mm |
| Big end big end bearing shell diameter: | 1.4 and 1.6 l | 1.8 and 2.0 l |
| Standard | 42.971-42.987 mm | 48.970-48.988 mm |
| Undersized by 0.25 mm | 42.271-42.737 mm | 48.720-48.738 mm |
| Undersized by 0.50 mm | 42.471-42.487 mm | 48.470-48.488 mm |
Color coded big end bearing shells (for all models):
- Standard - None
- Undersized by 0.25 mm - Blue
- Undersized by 0.50 mm - White
Max. roundness deviation of the bearing journal and crankshaft main journal (for all engines) — 0.040 mm
Operating clearance of crankshaft main bearing:
- 1.4 and 1.6 l - 0.025 mm - 0.050 mm
- 1.8 and 2.0 l - 0.015 mm - 0.040 mm
Connecting rod big end bearing working clearance:
- 1.4 and 1.6 l - 0.019 mm - 0.071 mm
- 1.8 and 2.0 l - 0.006 mm - 0.031 mm
Mixing of the crankshaft along the axis:
- 1.4 and 1.6 l - 0.100 mm - 0.200 mm
- 1.8 and 2.0 l - 0.050 mm - 0.152 mm
Mixing rod along the axis:
- 1.4 and 1.6 l - 0.110 mm - 0.240 mm
- 1.8 and 2.0 l - 0.070 mm - 0.240 mm
Pistons
Clearance between piston skirt and cylinder wall:
- In the new engine - 0.020 mm
- After boring - 0.010-0.030 mm
Note: Piston diameters: The pistons are marked with the numbers given earlier for the cylinder bore diameters. The corresponding piston diameter is 0.020 mm smaller than the corresponding cylinder bore diameter.
Piston rings
Number of rings (on one piston) - 2 compression, 1 oil scraper.
Piston ring gap:
- compression - 0.300-0.500 mm
- oil scraper (top and bottom sections) — 0.400-1.400 mm
Piston ring lock mixing* (relative to the average) — 180°
* For cross sections of oil scraper rings, see text.
Light alloy cylinder head
- Max. permissible deformation of the mating plane - 0.025 mm
- Overall Head Height (from mating surfaces) - 96.000±0.100 mm
| Valve seat bevel width: | 1.4 and 1.6 l | 1.8 and 2.0 l |
| inlet | 1,300-1,400 mm | 1,000-1,500 mm |
| exhaust | 1,700-1,800 mm | 1,700-2,200 mm |
Camshaft
Camshaft journal diameter:
Engines 1.4 and 1.6 l:
- N 1 - 39.435-39.455 mm
- N 2 - 39.685-39.705 mm
- N 3 - 39.935-39.955 mm
- N 4 - 40.185-40.205 mm
- N 5 - 40.435-40.455 mm
| Engines with a working volume of 1.8 and 2.0 l: | Standard | Underestimated by 0.1 mm |
| N 1 | 42.455-42.470 mm | 42.355-42.370 mm |
| N 2 | 42.705-42.720 mm | 42.605-42.620 mm |
| N 3 | 42.955-42.970 mm | 42.855-42.870 mm |
| N 4 | 43.205-43.220 mm | 43.105-43.120 mm |
| N 5 | 43.455-43.470 mm | 43.355-43.370 mm |
Camshaft bearing diameter:
Engines 1.4 and 1.6 l:
- N 1 - 39.500-39.525 mm
- N 2 - 39.750-39.755 mm
- N 3 - 40.000-40.025 mm
- N 4 - 40.250-40.275 mm
- N 5 - 40.500-40.525 mm
| Engines 1.8 and 2.0 l: | Standard | Underestimated by 0.1 mm |
| N 1 | 42.500-42.525 mm | 42.400-42.425 mm |
| N 2 | 42.750-42.755 mm | 42.650-42.675 mm |
| N 3 | 43.000-43.025 mm | 42.900-42.925 mm |
| N 4 | 43.250-43.275 mm | 43.150-43.175 mm |
| N 5 | 43.500-43.525 mm | 43.400-43.425 mm |
- Max. radial runout - 0.030 mm
- Mixing along the axis - 0.090-0.210 mm
Timing belt drive mechanism
Tension set using the KM-510-A device
- New belt, cold - 4.5
- New belt, hot - 7.5
- Belt, used, cold - 2.5
- Belt, which was in operation, in a heated state - 7.0
Valves and guides
| Inlet | Release | |
| Valve stem diameter (all engines): | ||
| Standard | 6.998-7.012 mm | 6.978-6.992 mm |
| 0.075 mm enlarged | 7.037-7.087 mm | 7.053-7.067 mm |
| 0.150 mm enlarged | 7.148-7.162 mm | 7.128-7.142 mm |
| Extended by 0.250 mm | 7.248-7.262 mm | 7.228-7.242 mm |
| Guide hole diameter (all engines): | ||
| Standard | 7.030-7.050 mm | |
| 0.075 mm enlarged | 7.105-7.125 mm | |
| 0.150 mm enlarged | 7.180-7.200 mm | |
| Extended by 0.250 mm | 7.280-7.300 mm |
Max. allowable clearance between valve stem and guide (all engines):
- Inlet - 0.018-0.052 mm
- Release - 0.038-0.072 mm
Valve seat taper angle (all engines) — 44°
Valve clearances - Automatic adjustment with hydraulic pushrods
Flywheel
Max. permissible lateral runout of the starter drive ring gear - 0.500 mm
Refinishing allowance - max. permissible depth of material removal from the bonding surface - 0.300 mm
Lubrication system
Minimum allowable oil pressure at idle at engine operating temperature (oil temperature not less than 80°C) — 1.5 bar
Oil pump type - Gear, driven by a crankshaft
Clearances in the oil pump:
- Gap between gear teeth (circumferential clearance) for all engines - 0.100-0.200 mm
- Gap between gears and housing (offset along the axis):
- engines 1.4 and 1.6 l - 0.080-0.150 mm
- engines 1.8 and 2.0 l - 0.030-0.100 mm
Tightening torque with a torque wrench, Nm
Camshaft cover bolts - 8
crankshaft pulley bolts (engines 1.4 and 1.6 l):
- Bolt M10 with a thread length of 23.0 mm - 55
- Bolt M10 with a thread length of 30.00 mm: - 55, then tighten by an angle of 45-60°
- Bolt M12 - 90, then tighten by an angle of 30-45°
Sprocket and crankshaft pulley bolts (engines 1.8 and 2.0 l) — 20
Distribution drive belt cover bolts - 4
coolant pump bolts (engines 1.4 and 1.6 l / 1.8 and 2.0 l) — 8/25
Camshaft sprocket bolt - 45
Crankshaft sprocket bolt (engines 1.8 and 2.0 l) - 130, then tighten by an angle of 40-50°
Cylinder head bolts:
- For engines 1.4 and 1.6 l: - 25, then tighten sequentially in 4 stages by 60°, 60°, 30°and 30° (the engine is warm)
- For engines 1.8 and 2.0 l: - 25, then tighten sequentially in 4 stages by 60°, 60°, 60°and 30° (the engine is warm)
Bolts of fastening of the fuel pump to a cover of a cam-shaft (carbureted engine) — 18
Camshaft base plate bolts - 8
Drain plug in the engine crankcase - 45
Bolts for attaching the sensor tube to the oil pump - 8
Bolts of fastening of a crankcase of the engine (engines 1.4 and 1.6 l / 1.8 and 2.0 l) — 8/5
Oil pump mounting bolts - 6
Reducing valve plug in the lubrication system - 30
Drive Disc/Flywheel Bolts:
- Engines 1.4 and 1.6 l: - 35. then tighten by an angle of 30-45°
- Engines 1.8 and 2.0 l: - 65, then tighten by an angle of 30-45°
Bolts of fastening of transmission/gearbox to the engine — 75
Bolts of fastening of an arm of transmission to the engine 60
Bolts of fastening of the engine/transmission to a body — 65
Bolts of fastening of an arm of the generator to the engine: (M8/M10) — 25/40
Alternator mounting bolts (M8/M10) to the bracket - 25/40
Inlet and outlet pipe nuts - 22
Power steering pulley and pump bolts - 25/30
Thermostat housing bolts (engines 1.4 and 1.6 l / 1.8 and 2.0 l) — 10/15
Starter bolts: (engines 1.4 and 1.6 l / 1.8 and 2.0 l - 25/45 (engine side, 75 transmission side)
Spark plugs - 25
Main bearing housing cap bolts:
- Engines 1.4 and 1.6 l: - 50, then tighten by an angle of 45-60°
- Engines 1.8 and 2.0 l: - 50, then tighten by an angle of 40-50°
Big end bearing cap bolts:
- Engines 1.4 and 1.6 l, bolts with a thread length of 15/40 mm - 28/25, then tighten by an angle of 30°
- Engines 1.8 and 2.0 l: - 35, then tighten by an angle of 45-60°
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