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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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  • Front subframe — removal and installation

Front subframe — removal and installation (Opel Astra G)

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1. Set the wheels to the straight-ahead position. Remove the ignition key from the lock.

2. In the driver's side footwell, remove the bolt securing the steering column shaft to the steering gear shaft. Disconnect the shaft and set it aside.

3. Remove the battery and battery tray (see photo).

3. Remove the battery and battery tray (see photo).


4. Disconnect the connector from the oxygen sensor.

5. On Zafira models, remove the bonnet seal, unscrew the nuts and remove the cover above the engine compartment bulkhead.

6. Secure the radiator by inserting the bolts into the side lugs.

7. Remove the power steering pump fuse from the mounting block on the left side of the engine compartment. Remove the fuse holder by removing the brackets and the electric pump wires.

8. Remove the nut and disconnect the ground wire from the steering wire harness. Mark the harness position, remove and set the harness aside.

9. Hang up the power unit (see photo).

9. Hang up the power unit (see photo).


10. Raise the front of the vehicle and place it on stands, remove the wheels and engine guard.



11. Remove the front bumper (Chapter 11).

12. Remove the right wing protective panel.

13. Unscrew the nuts and disconnect the stabilizer rods from the suspension struts.

14. Disconnect the tie rod ends from the hub bracket. Unscrew the clamp bolts and disconnect the ball joints from the hub bracket.

15. Further actions are illustrated in the photo.

15. Further actions are illustrated in the photo.


15. Further actions are illustrated in the photo.


16. Mark the position of the gearbox control linkage and disconnect the linkage from the bracket on the subframe.

17. Place a jack dolly under the subframe, placing a board underneath it.

18. Mark the position of the subframe and unscrew the subframe mounting bolts (the bolts should be screwed in place during assembly). The subframe is secured with 10 bolts (2 front, 2 bolts above the suspension arms and 6 rear bolts to the bracket)



18. Mark the position of the subframe and unscrew the subframe mounting bolts (the bolts should be…


18. Mark the position of the subframe and unscrew the subframe mounting bolts (the bolts should be…


18. Mark the position of the subframe and unscrew the subframe mounting bolts (the bolts should be…


19. With an assistant, remove the subframe by passing the steering shaft through the floor boot (see photo).

19. With an assistant, remove the subframe by passing the steering shaft through the floor boot…


19. With an assistant, remove the subframe by passing the steering shaft through the floor boot…


19. With an assistant, remove the subframe by passing the steering shaft through the floor boot…


19. With an assistant, remove the subframe by passing the steering shaft through the floor boot…


20. Remove the steering gear, suspension arms and stabilizer bar from the subframe.



20. Remove the steering gear, suspension arms and stabilizer bar from the subframe.


If necessary, remove the linkage bracket, press out and replace the rubber buffers (see photo).

21. Installation is carried out in reverse order (see photo). Make sure that when installing the steering gear, the lower part of the boot does not come out of engagement with the upper part. Otherwise, insert the lower part of the boot until it engages with the upper part (see photo).

21. Installation is carried out in reverse order (see photo). Make sure that when installing the…


21. Installation is carried out in reverse order (see photo). Make sure that when installing the…


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Previous articles
Opel Astra G: Car suspension
Next articles

Front Wheel Bearings — Replacement
Front Wheel Hub Bracket (Steering Knuckle) — Removal and Installation
General information
Technical data
Front suspension strut — removal, disassembly and installation
Stabilizer bar and tie rods — removal and installation
Suspension arm — removal and installation
Ball joint — removal and installation
Rear wheel hub with bracket — removal and installation
Rear Wheel Bearings — Checking and Replacing


See similar ones from other Opel car manuals:
▶ Removal and installation the front subframe Opel Corsa C (2000-2006)
▶ Removal and installation the front subframe Opel Vectra C (2002-2008)
▶ Front Suspension Subframe — Silent Block Replacement Opel Zafira A (1999-2005, petrol)
▶ Front direction indicators Opel Insignia A (2008-2017)
▶ Front wheel drive Opel Kadett E (1984-1995)
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Astra J (2009-2015, petrol) 
  • General information
  • Vehicle device
  • User manual
  • Faults en route
  • Maintenance
  • Power unit
  • Engine repair
  • Cooling and lubrication system
  • Engine power system
  • Exhaust system
  • Transmission
  • Clutch
  • Car gearbox
  • Drive shafts
  • Chassis
  • Front suspension
  • Rear suspension
  • Steering
  • Brake system
  • Wheels and tires
  • Body
  • Exterior
  • Interior
  • Doors and windows
  • Body Care
  • Heating and air conditioning
  • Security systems
  • Electrical equipment
  • Equipment and devices
  • Lighting and signaling
  • Power devices
  • Electrical circuits
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
  • Automatic gearbox
  • Drive shafts
  • Chassis
  • Brake system
  • Car suspension
  • Steering
  • Body
  • Interior
  • Exterior
  • Electrical equipment
  • Equipment and devices
  • Electrical circuits
Astra G (1998-2004) 
  • General information
  • Introduction to manual
  • User manual
  • Maintenance
  • Power unit
  • SOHC gasoline engines
  • DOHC gasoline engines
  • Diesel engines 1.7 and 2.0
  • Engine repair
  • Cooling system
  • Supply system
  • Injection system (gasoline)
  • Injection system (diesel)
  • Exhaust system
  • Charge and launch system
  • Ignition system (gasoline)
  • Preheat system (diesel)
  • Transmission
  • Manual gearbox
  • Automatic gearbox
  • Clutch
  • Drive shafts
  • Chassis
  • Brake system
  • Wheel suspension
  • Steering
  • Body
  • Exterior
  • Interior
  • Doors and windows
  • Ventilation and heating
  • Electrical equipment
  • Equipment and devices
  • Electrical circuits
Astra G (1998-2004, petrol) 
  • General information
  • User manual
  • Car care
  • Maintenance
  • Power unit
  • Single shaft engines
  • Twin shaft engines
  • Engine repair
  • Cooling and heating
  • Fuel and exhaust systems
  • Starting and charging system
  • Ignition system
  • Transmission
  • Clutch
  • Mechanical gearbox
  • Automatic gearbox
  • Drive shafts
  • Chassis
  • Brake system
  • Car suspension
  • Steering
  • Body
  • Interior
  • Exterior
  • Electrical equipment
  • Equipment and devices
  • Wiring diagrams Opel Astra
  • Wiring diagrams Opel Zafira
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
  • Ignition system
  • Transmission
  • Clutch
  • Mechanical gearbox
  • Automatic gearbox
  • Drive shafts
  • Chassis
  • Brake system
  • Car suspension
  • Steering
  • Body
  • Exterior
  • Interior
  • Electrical equipment
  • Equipment and devices
  • Electrical circuits
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