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Astra F (1991-1998, petrol) Astra G (1998-2004, petrol) Astra G (1998-2004) Astra H (2004-2009) Astra J (2009-2015, petrol)
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  • Cooling system specifications

Cooling system specifications (Opel Astra G)

            0

Contents: General parameters ⬇ Coolant volume ⬇ Thermostat ⬇ Electric fan ⬇ Air conditioner ⬇ Tightening force of threaded…⬇

General parameters



System Type - Closed, pressurized, with front mounted radiator, separate expansion tank and electric fan. Timing driven water pump (petrol models and diesel 1.7 l) or auxiliary (diesel models 2.0 l) belt.

Coolant volume



See Chapter Routine maintenance.

Thermostat



Characteristic

Meaning

Type (All models)

Wax filled

Temperature of opening start, °C

Petrol models

  • 1.8L models

80

  • Other models

92

Diesel models

  • Models 1.7L DOHC

89

  • Other models

92

Full disclosure

Petrol models (All models)

107

Diesel models

  • Models 1.7L DOHC

92

  • Other models

107


Electric fan



Response temperature, °C

  • All models

100

Switch-off temperature, °C

  • All models

95


Air conditioner



Characteristic

Meaning

Refrigerant type

R134a

Volume of refrigerant, g

700

Type of refrigeration oil

SP10

Volume of refrigeration oil, cm ³

Petrol models

  • 1.8L models

135

  • Other models

150

Diesel models

  • All models

150


Tightening force of threaded connections, Nm



Connection type

Meaning

Fastening the refrigeration tube to the receiver-dryer and the capacitor

20

Fastening the drain pipe of the condenser of the K/V system to half

5

Fastening the cooling system fan frame to the radiator

5

Attaching the pressure sensor to the receiver-dryer

9

Fastening the steering cross member to the bulkhead

25

Air Conditioner Compressor Support Mount

Petrol models

  • With 1.6L SOHC engine

25

  • With other engines

20

Diesel models

  • All models

20

Attaching ATF cooling lines to the radiator (models only with AT)

30

Coolant temperature sensor

Petrol models

  • With 1.6L SOHC engine

20

  • With 1.4 and 1.6 L DOHC engines

14

  • With 1.8L DOHC engines

20

  • With 2.0L engine

10

Diesel models

  • With 1.7L SOHC engine

20

  • With 1.7L DOHC engines

23

  • With 2.0L engines

10

Fastening the thermostat housing

Petrol models

  • With 1.4 and 1.6 L DOHC engines

20

Diesel models

  • With 1.7L DOHC engines

24

  • With other engines

8

Fastening the thermostat cover (petrol models only)

  • With 1.6L SOHC engine

10

  • With 1.4 and 1.6 L DOHC engines

8

  • With 1.8L DOHC engine

20

  • With 2.0L engine

15

Water pump

Petrol models

  • With 1.4 and 1.6 l engines

8

  • With 1.8 and 2.0 l engines

25

Diesel models

  • With 1.7L DOHC engines

24

  • With 1.7L SOHC engine

25

  • With 2.0L engines

20

Water pump pulley (diesel models only)

  • With 1.7L engines

10

  • With 2.0L engines

20



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Previous articles
Opel Astra G: Cooling system
Next articles

General information about the cooling and heating system
Antifreeze — general information
Disconnecting and replacing cooling system hoses
Maintenance of the cooling system (emptying, flushing and filling)
Removal, installation and checking of the thermostat operation
Removal and installation the cooling system radiator
Checking the proper functioning, removing and installing the cooling system fan


See similar ones from other Opel car manuals:
▶ Engine Cooling System Specifications Opel Corsa B (1993-2000)
▶ Cooling system specifications Opel Omega A (1986-1993)
▶ Cooling and ventilation system specifications Opel Vectra A (1988-1995, petrol)
▶ Engine Cooling System Specifications Opel Frontera A (1991-1998, petrol)
▶ Draining the cooling system Opel Insignia A (2008-2017)
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Astra J (2009-2015, petrol) 
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Astra H (2004-2009) 
  • General information
  • Introduction to the guide
  • Troubleshooting
  • User manual
  • Maintenance
  • Power unit
  • Engine repair
  • Cooling and heating
  • Power and exhaust system
  • Ignition system
  • Launch and charge system
  • Transmission
  • Mechanical gearbox
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  • Drive shafts
  • Chassis
  • Brake system
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Astra G (1998-2004) 
  • General information
  • Introduction to manual
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  • Power unit
  • SOHC gasoline engines
  • DOHC gasoline engines
  • Diesel engines 1.7 and 2.0
  • Engine repair
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  • Supply system
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  • Electrical circuits
Astra G (1998-2004, petrol) 
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  • User manual
  • Car care
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  • Power unit
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  • Twin shaft engines
  • Engine repair
  • Cooling and heating
  • Fuel and exhaust systems
  • Starting and charging system
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  • Equipment and devices
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Astra F (1991-1998, petrol) 
  • General information
  • Maintenance
  • Power unit
  • Engine in car
  • Engine removed
  • Cooling system
  • Heating and ventilation
  • Fuel supply (carburetor)
  • Fuel supply (injector)
  • Emission control
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  • Chassis
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  • Equipment and devices
  • Electrical circuits
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