Opel Astra A

1991-1998 of release

Repair and operation of the car



Opel Astra A
+ 1. Maintenance instruction
+ 2. Maintenance
- 3. Engines
   - 3.1. SOHC engines
      3.1.1. Introduction
      3.1.2. Technical characteristics
      3.1.3. Check of a compression
      3.1.4. Top Dead Point (TDP)
      3.1.5. Cover of a head of cylinders
      3.1.6. Pulley of a kolechaty shaft
      + 3.1.7. Top external cover of a gas-distributing belt
      3.1.8. Back cover of a gas-distributing belt
      3.1.9. Gas-distributing belt (models of 1,4 and 1,6 l)
      3.1.10. A gas-distributing belt (C18 NZ, C20 NE which are released till 1993)
      3.1.11. Gas-distributing belt (C18 NZ, C20 NE 1993 of release later)
      3.1.12. Camshaft asterisk
      3.1.13. Asterisk of a bent shaft
      3.1.14. Tension roller of a gas-distributing belt (l models 1,4 and 1,6)
      3.1.15. Camshaft epiploons
      3.1.16. Camshaft
      3.1.17. Head of cylinders
      3.1.18. Oil pallet and maslozaborny branch pipe
      3.1.19. Oil pump
      3.1.20. Epiploons of a bent shaft
      3.1.21. Flywheel
      3.1.22. Fastening of the engine and transmission
   + 3.2. DOHC engines
   + 3.3. Diesel engines
   + 3.4. Engine electric equipment
+ 4. Ventilation and heating
+ 5. Power supply system
+ 6. System of decrease in toxicity
+ 7. Coupling
+ 8. Transmissions
+ 9. Half shafts
+ 10. Brake system
+ 11. Suspension bracket and steering
+ 12. Body
+ 13. Electric equipment
+ 14. Electrical circuitries







3.1.2. Technical characteristics

GENERAL INFORMATION

All models
The four-cylinder, odnoryadovy engine with water cooling, is fixed in a forward part of the car. The camshaft has the drive from a gas-distributing belt, valves are supplied with hydraulic elevators.
Codes of producers of the engine

Prevention

The code is located on the block of cylinders before a coupling casing.


14 NV
1,4 l + carburetor
14SE
1,4 l + multipoint injection of fuel (MIF)
With 14 NZ
1,4 l + catalytic converter + central injection of fuel (CIF)
With 14 SE
1,4 l + converter + MW
With 16 NZ
1,6 l + converter + TsVT
With 16 SE
1,6 l + converter + MW
X 16 SZ
1,6 l + converter + TsVT
With 18 NZ
1,8 l + converter + TsVT
With 20 NE
2,0 l + converter + MW
Pistons
Diameter of the cylinder (mm)
  – 14 NV, 14 SE, C 14 NZ, C14 SE
77,6
  – With 16 NZ, C 16 SE, X 16 SZ
79,0
  – With 18 NZ
84,8
  – With 20 NE
86,0
Piston stroke (mm)
  – 14 NV, 14 SE, C 14 NZ, C14 SE
73,4
  – With 16 NZ, C 16 SE, X 16 SZ
81,5
  – With 18 NZ
79,5
  – With 20 NE
86,0
Compression ratio:
  – 14 NV, C 14 NZ
9,4: 1
  – 14 SE
9,8: 1
  – With 14 SE
10,0: 1
  – With 16 NZ, C 18 NZ, C 20 NE
9,2: 1
  – models C 16 SE
9,8: 1
Maximum power:
  – 14 NV
55 kW at 5800 rpm
  – 14SE
60 kW at 5600 rpm
  – With 14 NZ
44 kW at 5200 rpm
  – With 14 SE
60 kW at 5800 rpm
  – With 16 NZ
55 kW at 5200 rpm
  – With 16 SE
74 kW at 5800 rpm
  – X 16 SZ
52 kW at 5000 rpm
  – With 18 NZ
66 kW at 5400 rpm
  – With 20 NE
85 kW at 5400 rpm
Maximum moment of rotation:
  – 14 NV
110 N of m at 3000 rpm
  – 14 SE
115 N of m at 3400 rpm
  – With 14 NZ
103 N of m at 2800 rpm
  – With 14 SE
113 N of m at 3400 rpm
  – With 16 NZ
125 N of m at 2800 rpm
  – With 16 SE
135 N of m at 3400 rpm
  – X 16 SZ
128 N of m at 2800 rpm
   – With 18 NZ
145 N of m at 3000 rpm
  – With 20 NE
170 N of m at 2600 rpm
Operating procedure of cylinders
All models
1–3–4–2 (the N1 cylinder is located from a gas-distributing belt)
Direction of rotation of a bent shaft
All models
clockwise
The maximum difference of pressure of a compression between cylinders
All models
1,0 bars
Camshaft
Diameters of bearings of the camshaft (mm)
  – models of 1,4 l and 1,6 l:
   • N1
39,435 – 39,455
  • N2
39,685 – 39,705
   • N3
39,935 – 39,955
   • N4
40,185 – 40,205
   • N5
40,435 – 40,455
  – models C 18 NZ, C 20 NE
standard:
    • N1
42,455 – 42,470
    • N2
42,705 – 42,720
    • N3
42,955 – 42,970
    • N4
43,205 – 43,220
    • N5
43,455 – 43,470
0,1 mm less:
    • N1
42,355 – 42,370
    • N2
42,605 – 42,620
    • N3
42,855 – 42,870
    • N4
43,105 – 43,120
    • N5
43,355 – 43,370
Diameters of inserts of bearings of the camshaft, mm
  – models of 1,4 l and 1,6 l:
    • N1
39,500 – 39,525
    • N2
39,750 – 39,775
    • N 3
40,000 – 40,025
    • N4
40,250 – 40,275
    • N5
40,500 – 40,525
  – models C 18 NZ, C 20 NE
standard:
    • N1
42,500 – 42,525
    • N2
42,750 – 42,775
    • N3
43,000 – 43,025
    • N4
43,250 – 43,275
    • N5
43,500 – 43,525
0,1 mm less:
    • N1
42,400 – 42,425
    • N2
42,650 – 42,675
    • N3
42,900 – 42,952
    • N4
43,150 – 43,175
    • N5
43,400 – 43,425
Maximum admissible wear, mm
All models
0,03
Free wheeling, mm
All models
0,09 – 0,21
Block of cylinders
Material
Cast iron
Maximum ovality of the cylinder
0,013 mm
Maximum narrowing of the cylinder
0,013 mm
Head of cylinders
Material
Light alloy
The most admissible shift
0,025 mm
Head height
96,00 ± 0,1 mm
Gas-distributing belt
The tension measured by the KM-510-A device
  – new belt cold
4,5
  – new belt, hot
7,5
  – the used belt cold
2,5
  – the used belt, hot
7,0
Flywheel
Maximum admissible side side play of a gear wheel of a starter
All models
0,5 mm
Maximum wear of frictional material of coupling
All models
0,3 mm
Lubrication system
Minimum admissible pressure of oil idling (temperature of the engine of 80 °C)
All models
1,5 bars
Type of the oil pump
All models
Gear type with the drive from a bent shaft
Gaps of the oil pump
Gap between teeth of an internal and external gear ring
0,10 – 0,20 mm
Gap between an external gear ring and a casing of the pump:
  – models of 1,4 l and 1,6 l
0,08 – 0,15 mm
  – models C 18 NZ, C 20 NE
0,03 – 010 mm

Moments of an inhaling, N. of m.

Bolts of connections of an air inlet and final collector
8
Bolts of connections of an arm of the regulator to the generator and an inlet collector:
  – models of 1,4 l and 1,6 l
25
  – With 18 NZ, C 20 NE:
    • the models produced till 1993
25
    • models of 1993 and later release
18
Bolts of connections of an arm of the regulator to the generator and an airintaking pipe (model of 1993 and later release)
20
Bolts of connections of the generator and arm:
  – M10 bolts
40
  – M8 bolts
30
Bolts of connections of the generator and arm of an inlet collector (model of 1993 and later release)
  – models of 1,4 l and 1,6 l
20
  – models C 18 NZ, C 20 NE
18
Bolts of connections of an arm of the generator and block of cylinders
  – M8 (model C 18 NZ,C 20 NE)
25
  – M10 (model of 1,4 l and 1,6 l)
40
  – M12 (models C 18 NZ,C 20 NE,
40
Rod cover bolts: *
  – models of 1,4 l and 1,6 l:
    • step 1
25
    • step 2
Tighten for 30 °
  – models C 18 NZ,C 20 NE:
    • step 1
35
    • step 2
Tighten for 45 °
    • step 3
Tighten for 15 °
The bolts fixing a cover of a head of cylinders
8
The bolts fixing a camshaft pulley
45
The bolts fixing a persistent plate of the camshaft
8
The bolts fixing a branch pipe of cooling liquid to the thermostat case:
With 18 NZ, C 20 NE
8
The bolts fixing the pump of cooling liquid to the block of cylinders:
  – M6 (models of 1,4 l and 1,6 l)
8
  – M8 (C 18 NZ, C 20 NE)
25
The bolts fixing a head of cylinders to the block of cylinders: *
  – step 1
25
  – step 2
Tighten for 60 °
  – step 3
Tighten for 60 °
  – step 4
Tighten for 60 °
With 18 NZ, C 20 NE:
  – step 1
25
  – step 2
Tighten for 90 °
  – step 3
Tighten for 90 °
  – step 4
Tighten for 90 °
The bolts fixing a flywheel to a bent shaft
60
The bolts fixing a back arm of the engine to the transmission
60
The bolts fixing the right arm of the engine to the block of cylinders
60
Bolts, the fixing left and right support of the engine to a body
65
The bolts fixing the left support of the engine to an arm
60
The bolts fixing a back support of the engine to an arm
45
The bolts fixing a back support of the engine to a cross-piece
40
The bolts fixing the right support of the engine to an arm
35
The bolts fixing an engine support to an arm:
Models C 18 NZ, C 20 NE
65
The bolts fixing an engine support to an arm:
Models C 18 NZ, C 20 NE of 1993 and later years
60
The bolts fixing the left support of the engine to the transmission
60
The bolts fixing an engine support to a support of the hydraulic booster of steering (model of 1993 and later years)
60
The bolts fixing a basic arm of the engine to a head of cylinders
15
Bolts of connection of an exhaust pipe and collector
25
Bolts of connection of a final collector and head of cylinders *
22
The bolts fixing a flywheel to a bent shaft: *
  – models of 1,4 l and 1,6 l:
    • step 1
35
    • step 2
Tighten for 30 °
    • step 3
Tighten for 15 °
  – models C 18 NZ, C 20 NE
    • step 1
65
    • step 2
Tighten for 30 °
    • step 3
Tighten for 15 °
The bolts fixing the fuel pump to a head of cylinders
18
The bolts fixing an inlet collector to a head of cylinders
22
The bolts fixing the sensor reacting to blow to the block of cylinders:
Models X 16SZ
13
Bolts of a cover of the radical bearing: *
  – step 1
50
  – step 2
Tighten for 45 °
  – step 3
Tighten for 15 °
The bolts fixing a maslozaborny branch pipe to the oil pump
8
The bolts fixing a maslozaborny branch pipe to the block of cylinders
6
Cap of the reducing valve
30
The bolts fixing the oil pressure switch to the oil pump:
  – models of 1,4 l and 1,6 l
30
  – models C 18 NZ, C 20 NE
40
The bolts fixing the oil pump to the block of cylinders
6
The bolts fixing the oxygen sensor to a final collector
30
The bolts fixing the regulator of the pump of the hydraulic booster of steering to a support:
Models C 18 NZ, C 20 NE
18
The bolts fixing an arm of the pump of the hydraulic booster of steering to the block of cylinders
35
The bolts fixing the pump of the hydraulic booster of steering to an arm (model of 1993 and later years):
  – models of 1,4 l and 1,6 l
20
  – models C 18 NZ, C 20 NE
25
The bolts fixing a pulley of a ridge wedge-shaped belt to the drive of a gas-distributing belt:
Models C 18 NZ, C 20 NE
20
Bolts, the fixing pulleys of a ridge wedge-shaped belt and the drive of a gas-distributing belt to a bent shaft:
  – With 16 NZ (the models with the power steering produced till 1993):*
    • step 1
55
    • step 2
Tighten for 45 °
    • step 3
Tighten for 15 °
  – models of 1993 and later release
55
The bolts fixing the roller of a natyazhitel of a ridge wedge-shaped belt to a power steering pump support (model 1993 and later years of release)
18
Spark plugs
25
The bolts fixing a starter arm to the block of cylinders
25
The bolts fixing a starter to the block of cylinders (from the engine)
45
The bolts fixing a starter to the block of cylinders (from the transmission)
60
Cap of a drain opening of the oil pallet
55
The bolts fixing the oil pallet to the block of cylinders:
  – models of 1,4 l and 1,6 l
8
  – models C 18 NZ, C 20 NE:
Dividing partition with ordinary laying
5
Dividing partition with the vulcanized laying
10
The bolts fixing the temperature sensor to an inlet collector
10
The bolts fixing the thermostat case to a head of cylinders:
  – models of 1,4 l and 1,6 l
10
  – models C 18 NZ, C 20 NE
15
The bolts fixing a cover of a gas-distributing belt to the oil pump and a head of cylinders
12
Bolts of an asterisk of a bent shaft:
  – models C 18 NZ, C 20 NE: *
    • step 1
130
    • step 2
Tighten for 40 – 50 °
The bolts fixing the transmission to the block of cylinders:
  – M10
45
  – M12
60
The bolts fixing a pulley of a wedge-shaped belt to the drive of a gas-distributing belt:
Models C 18 NZ, C 20 NE
20
Bolts, the fixing pulleys of a wedge-shaped belt and the drive of a gas-distributing belt to a bent shaft
55

* - use new bolts