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
   - 3.2. DOHC engines
      3.2.1. Technical characteristics
      3.2.2. Covers of a gas-distributing belt (X 16 XEL)
      3.2.3. Covers of a gas-distributing belt (all models, except X 16 XEL)
      3.2.4. Gas-distributing belt (X 16 XEL)
      3.2.5. A gas-distributing belt (all models, except X 16 XEL)
      3.2.6. Cover of a head of cylinders
      3.2.7. Asterisks of camshafts (X 16 XEL)
      3.2.8. Asterisks of camshafts (all models, except X 16 XEL)
      3.2.9. Camshaft epiploons
      3.2.10. Natyazhitel of a gas-distributing belt and intermediate pulley
      3.2.11. Camshafts
      3.2.12. Head of cylinders (X 16 XEL)
      3.2.13. A head of cylinders (all models, except X 16 XEL)
      3.2.14. Head of cylinders
      3.2.15. Hydraulic elevators of valves
      3.2.16. Oil pallet (X 16 XEL)
      3.2.17. Asterisk of a bent shaft
      3.2.18. Oil pump
      3.2.19. Epiploons of a bent shaft
      3.2.20. Engine and transmission
      3.2.21. Oil cooler
   + 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


0a910c3c




3.2.1. Technical characteristics

GENERAL INFORMATION

Type
All models The four-cylinder, odnoryadovy engine with water cooling. Two camshafts have the drive from a gas-distributing belt, valves are supplied with hydraulic elevators.
Codes of producers of the engine

Prevention

Use of household detergents is inadmissible. In order to avoid damage of the pump of a washer.


X 16 XEL (Ecotec)
1,6 l + catalytic converter + multipoint injection of fuel (MIF)
With 18 XE
1,8 l + converter + MW
From 18 XEL (Ecotec)
1,8 l + converter + MW
With 20 XE
2,0 l + converter + MW
X 20 XEV (Ecotec)
2,0 l + converter + MW
Pistons
Diameter of the cylinder (mm):
  – X 16 XEL
79,0
  – With 18 XE, C 18 XEL
81,6
  – With 20 XE, X 20 XEV
86,0
Piston stroke (mm):
  – X 16 XEL
81,5
  – With 18 XE, C 18 XEL
86,0
  – With 20 XE, X 20 XEV
86,0
Compression:
Ratio
  – X 16 XEL
10,5
  – With 18 XE, C 18 XEL
10,8
  – With 20 XE
10,5
  – X 20 XEV
10,8
Maximum power:
  – X 16 XEL
74 kW at 6200 rpm
  – With 18 XE
92 kW at 5600 rpm
  – With 18 XEL
85 kW at 5400 rpm
  – With 20 XE
110 kW at 6000 rpm
  – X 20 XEV
100 kW at 5400 rpm
Maximum moment of rotation:
  – X 16 XEL
148 N of m at 3500 rpm
  – With 18 XE
168 N of m at 4800 rpm
  – With 18 XEL
168 N of m at 4000 rpm
  – With 20 XE
196 N of m at 4600 rpm
  – X 20 XEV
185 N of m at 4000 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
Camshafts
Diameters of bearings of the camshaft (mm):
  – X 16 XEL, C18 XEL
it is not measured
  – With 18 XE, C 20 XE, X 20 XEV
27,939 – 27,960
Diameters of inserts of bearings of the camshaft (mm):
  – X 16 XEL, C18 XEL
it is not measured
  – With 18 XE, C 20 XE
27,000 – 28,021
Maximum admissible wear (mm):
  – X 16 XEL, C18 XEL
it is not measured
  – With 18 XE, X 20 XEV
0,06
  – With 20 XE
0,04
Free wheeling (mm):
  – X 16 XEL, C18 XEL
it is not measured
  – With 18 XE, C 20 XE, X 20 XEV
0,040 – 0,144

Moments of an inhaling, N. of m.

The bolts fixing an arm of a metal air tube to a final collector:
X 16 XEL
20
The bolts fixing a support of the air valve to a final collector:
X 16 XEL
8
The bolts fixing the adjusting lever of the generator:
  – X 16 XEL
20
  – With 18 XE, C 18 XEL, C 20 XE
25
  – With 18 XE, C 18 XEL, C 20 XE
40
The bolts fixing the adjusting lever of the generator to the generator and an inlet collector:
With 18 XE, C 18 XEL, C 20 XE
The bolts fixing a generator arm to the block of cylinders:
X 16 XEL
35
Bolts of the lower fastening of the generator,
35
Rod cover bolts: *
  – X 16 XEL:
     • step 1
25
     • step 2
Tighten for 30 °
  – With 18 XE, C 18 XEL, C 20 XE, X 20 XEV:
     • step 1
35
     • step 2
Tighten for 45 °
     • step 3
Tighten for 15 °
The bolts fixing a tube of the servo-driver of brakes to an inlet tube:
With 18 XE, C 18 XEL, C 20 XE
20
Bolts, the fixing asterisks to the camshaft: *
  – step 1
50
  – step 2
Tighten for 60 °
  – step 3
Tighten for 15 °
The bolts fixing the sensor of rotation of the camshaft to a head:
With 18 XE, C 18 XEL, C 20 XE
15
Bolts, the fixing covers of bearings of camshafts:
  – X 16 XEL, C 18 XE, C 18 XEL, X 20 XEV
8
  – From 20 XE (M8)
20
  – From 20 XE (M6)
10
The bolts fixing an arm of the air valve to a final collector:
X 16 XEL *
8
The bolts fixing a tube of cooling liquid to a head:
  – X 6 XEL
25
  – With 18 XE, C 18 XEL, C 20 XE:
     • M8
20
     • M10
30
The bolts fixing a tube of cooling liquid to the block of cylinders:
With 18 XE, C 18 XEL, C 20 XE, X 20 XEV
20
The bolts fixing the pump of cooling liquid to the block of cylinders:
  – X 16 XEL
8
  – With 18 XE, C 18 XEL, C 20 XE, X 20 XEV
25
The bolts fixing a cover to a head:
  – M8 nuts
22
  – M6 bolts
9
The bolts fixing a cover to a final collector
8
The bolts fixing an asterisk of a bent shaft to a synchronizing disk:
  – X 16 XEL: *
     • step 1
95
     • step 2
Tighten for 30 °
     • step 3
Tighten for 15 °
The bolts fixing an arm of the sensor of a bent shaft to the oil pump:
X 16 XEL
6
Fastenings of a disk of the sensor of a bent shaft to a bent shaft:
With 18 XE, C 18 XEL, C 20 XE, X 20 XEV
13
Bolts of a head of cylinders: *
  – step 1
25
  – step 2
Tighten for 90 °
  – step 3
Tighten for 90 °
  – step 4
Tighten for 90 °
The bolts fixing a cover of a head of cylinders
8
The bolts fixing the ignition distributor block to an arm on a head of cylinders
8
The bolts fixing an engine cover to a cover of a head of cylinders:
X 16 XEL
8
The bolts fixing a basic arm of the engine to the engine:
X 16 XEL
60
The bolts fixing an engine support to a basic arm of the engine:
  – X 16 XEL
35
  – With 18 XE, C 18 XEL, C 20 XE
65
The bolts fixing an engine support to a cross-piece:
X 16 XEL
65
Bolts of connection of exhaust pipes:
ABOUT 20 XE
12
The bolts fixing a final collector to a head:
X 16 XEL *
22
The bolts fixing a flywheel to a bent shaft:
  – X 16 XEL:
     • step 1
35
     • step 2
Tighten for 30 °
     • step 3
Tighten for 15 °
  – With 18 XE, C 18 XEL, C 20 XE, X 20 XEV:
     • step 1
65
     • step 2
Tighten for 30 °
     • step 3
Tighten for 15 °
Bolts of fastening of the directing transmission sleeve
22
The bolts fixing the inductive sensor to the block of cylinders:
With 18 XE, C 18 XEL, C 20 XE
8
The bolts fixing the lower inlet collector to a head of cylinders:
X 16 XEL *
20
The bolts fixing the top inlet collector to a head of cylinders and to the lower inlet collector:
X 16 XEL
8
The bolts fixing an inlet collector to a head of cylinders:
ABOUT 20 XE *
22
The bolts fixing an inlet collector to an arm:
ABOUT 20 XE
20
The bolts fixing an inlet tube to a head:
With 18 XE, C 18 XEL, C 20 XE
22
The bolts fixing an arm of an intermediate rod to a head:
With 18 XE, C 18 XEL, C 20 XE
55
The bolts fixing the sensor reacting to blow to the block of cylinders:
  – X 16 XEL
13
  – With 18 XE, C 18 XEL, C 20 XE
25
Fastenings of tubes of an oil cooler
30
Fastening of a guide of the oil probe to the block of cylinders
25
The bolts fixing an arm of a maslozaborny branch pipe to the block of cylinders
6
The bolts fixing a maslozaborny branch pipe to the oil pump
8
The bolts fixing the oil pressure sensor to the oil pump:
With 18 XE, C 18 XEL, C 20 XE
40
Adapter of the oil pump:
With 18 XE, C 18 XEL, C 20 XE
23
The bolts fixing a cover of the oil pump to the pump
6
The bolts fixing the oil temperature sensor to the block of cylinders
30
The bolts fixing the power steering pump to a support
25
The bolts fixing the power steering pump regulator to a support:
  – X 16 XEL
20
  – With 18 XE, C 18 XEL, C 20 XE
18
Bolts of wheels
110
The bolts fixing a pulley of a wedge-shaped belt to an asterisk:
With 18 XE, C 18 XEL, C 20 XE
20
The bolts fixing an arm of the roller of a wedge-shaped belt to the block of cylinders:
With 18 XE, C 18 XEL, C 20 XE
25
The bolts fixing the roller of a wedge-shaped belt to an arm:
  – X 16 XEL
20
  – With 18 XE, C 18 XEL, C 20 XE
18
The bolts fixing a cover of spark plugs to a head cover:
  – With 18 XE, C 18 XEL
3
  – With 20 XE
8
  – X 20 XEV
6
The bolts fixing a starter arm to the block of cylinders:
With 18 XE, C 18 XEL, C 20 XE, X 20 XEV
25
The bolts fixing a starter to the block of cylinders:
  – X 16 XEL
25
  – With 18 XE, C 18 XEL, C 20 XE, X 20 XEV
45
The bolts fixing the oil pallet to the block of cylinders:
X 16 XEL
8
The bolts fixing the oil pallet to the oil pump and the block of cylinders:
With 18 XE, C 18 XEL, C 20 XE, X 20 XEV
15
The bolts fixing the oil pallet to the transmission:
X 16 XEL
40
Cap of the oil pallet
45
The bolts fixing a basic arm to the block of cylinders
35
I will corrode the bolts fixing the temperature regulator (M20):
With 18 XE, C 18 XEL, C 20 XE, X 20 XEV
30
The bolts fixing a thermostat cover to the thermostat:
  – X 16 XEL
8
  – With 18 XE, C 18 XEL, C 20 XE
15
The bolts fixing the thermostat to the block of cylinders:
  – X 16 XEL
20
  – With 18 XE, C 18 XEL, C 20 XE, X 20 XEV
15
The bolts fixing a throttle to a flange on an inlet collector:
X 16 XEL
8
The bolts fixing an external top cover of a gas-distributing belt to lower and to back to covers:
X 16 XEL
4
The bolts fixing a back cover of a gas-distributing belt to a head of cylinders and the oil pump:
  – With 18 XE, C 18 XEL, C 20 XE
6
  – With 18 XE, C 18 XEL, C 20 XE, X 20 XEV
8
The bolt fixing an asterisk of a bent shaft to a bent shaft: *
  – step 1
250
  – step 2
Tighten for 40 – 50 °
The bolts fixing an intermediate pulley of a gas-distributing belt to the block of cylinders: * (only the models produced till 1993)
  – step 1
25
  – step 2
Tighten for 45 °
  – step 3
Tighten for 15 °
Bolts, the fixing intermediate pulleys to an arm on the block of cylinders:
With 18 XE, C 18 XEL, C 20 XE
25
Bolts, the fixing intermediate pulleys to the block of cylinders:
X 16 XEL
25
The bolts fixing a support of an intermediate pulley to the block of cylinders:
X 16 XEL
35
The bolts fixing the roller of a natyazhitel of a gas-distributing belt to the block of cylinders: * (only the models produced till 1993)
  – step 1
25
  – step 2
Tighten for 45 °
  – step 3
Tighten for 15 °
The bolts fixing the roller of a natyazhitel of a gas-distributing belt to the oil pump:
X 16 XEL
20
The bolts fixing the thermostat:
With 18 XE, C 18 XEL, C 20 XE
8
The bolts fixing the transmission to the block of cylinders:
With 18 XE, C 18 XEL, C 20 XE, X 20 XEV
60
The bolts fixing a pulley of a wedge-shaped belt to an asterisk of a bent shaft
20

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