How to Replace 2008 Saturn Astra Rear Coil Springs?

 

Tools and Materials Required

1. New Rear Coil Springs
2. Jack and Jack Stands
3. Wrench Set
4. Socket Set
5. Torque Wrench
6. Spring Compressors
7. Safety Glasses
8. Gloves

Step-by-Step Guide to Replace Rear Coil Springs

1. Preparation:
   • Ensure the vehicle is on a flat surface.
   • Wear safety glasses and gloves for protection.
2. Lift the Vehicle:
   • Use the jack to lift the rear of the Saturn Astra.
   • Place jack stands securely under the vehicle to hold it in place.
3. Remove the Rear Wheels:
   • Use a wrench or a socket to loosen and remove the lug nuts.
   • Take off the wheels and set them aside.
4. Detach the Shock Absorbers:
   • Locate the lower mounting bolts of the shock absorbers.
   • Use a wrench to remove these bolts and free the shock absorbers from their mounts.
5. Remove the Lower Control Arm Bolts:
   • Identify the bolts connecting the lower control arm to the chassis.
   • Use a socket set to remove these bolts; you may need to apply some force as they can be tightly secured.
6. Utilize Spring Compressors:
   • Attach spring compressors to the coil springs to safely compress them.
   • Carefully tighten the compressors to relieve tension, allowing for easier removal.
7. Remove the Old Coil Springs:
   • Once the springs are compressed, remove any remaining fasteners.
   • Carefully take out the coil springs from the vehicle, ensuring you release tension slowly.
8. Install the New Coil Springs:
   • Position the new coil springs in place, ensuring they are seated correctly.
   • Use the spring compressors to help install and secure the new springs.
9. Reconnect the Lower Control Arms:
   • Reinstall the lower control arm bolts securely.
   • Use the torque wrench to make sure the bolts are tightened to the specified torque settings.
10. Reattach Shock Absorbers:
    • Reconnect the shock absorbers by installing the mounting bolts.
    • Tighten them using the wrench or socket set.
11. Reinstall Rear Wheels:
    • Place the wheels back onto the hubs.
    • Tighten the lug nuts securely in a crisscross pattern.
12. Lower the Vehicle:
    • Carefully remove the jack stands and lower the vehicle using the jack.
13. Final Checks:
    • Inspect the installation for any loose components.
    • Take a test drive to ensure everything is functioning properly.

Conclusion

Replacing the rear coil springs on a 2008 Saturn Astra can be a rewarding DIY project if approached with the right tools and a systematic method. Always prioritize safety and consult a manual if needed.

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