How to Change Front Lower Arm on Vauxhall Insignia Mk I (A) Hatchback (G09)
A comprehensive replacement guide provided by AUTODOC experts.
Similar Video Tutorial
A video tutorial demonstrating the replacement procedure for a similar car part is available. This video shows the replacement procedure of a similar car part on another vehicle.
Important! This replacement procedure can be used for: VAUXHALL Insignia Mk I (A) Hatchback (G09) 2.0 CDTI. The steps may slightly vary depending on the car design.
This tutorial was created based on the replacement procedure for a similar car part on: OPEL Astra G CC (T98) 1.2 16V (F08, F48).
[Video: Similar car part replacement tutorial for Opel Astra G]
Tools and Materials Required
The following tools and materials are needed for the replacement:
- Wire brush
- WD-40 spray
- Copper grease
- Drive socket #18
- Combination spanner #18
- Wheel impact socket #17
- Ratchet wrench
- Torque wrench
- Pin punch
- Flat chisel
- Hammer
- Rubber mallet
- Crow bar
- Hydraulic transmission jack
- Wheel chock
Important Notes and Recommendations
- The replacement procedure is identical for the left and right lower control arms.
- All work should be done with the engine stopped.
- During the installation process, use only new bolts and nuts.
- Do not damage the ball joint cover.
- After applying spray (e.g., WD-40), wait a few minutes.
- Wear protective goggles.
- When lowering the transmission jack, do so smoothly, without jerks, to avoid damaging components and mechanisms.
- To avoid injury, hold up the wheel when screwing in the fastening bolts.
Step-by-Step Replacement Procedure
1. Secure the wheels with chocks.
Image shows a car's rear wheel secured with orange wheel chocks on a paved surface.2. Loosen the wheel mounting bolts. Use wheel impact socket #17.
Image shows a person using a lug wrench to loosen wheel bolts on a car's front wheel.3. Raise the front of the car and secure on supports.
Image shows the front of a car raised on jack stands.4. Unscrew the wheel bolts.
Image shows a person's hands unscrewing wheel bolts from a car's wheel hub.5. Remove the wheel.
Image shows a car's front wheel being removed from the hub.6. Clean all joints of the arm. Use a wire brush. Treat all joints of the arm. Use WD-40 spray.
Image shows a hand using a wire brush to clean a car's suspension component, with a can of WD-40 spray visible.7. Unscrew the ball joint fastening to the steering knuckle. Use a drive socket #18. Use a ratchet wrench.
Image shows a close-up of a car's suspension, with a ratchet wrench and socket being used on a ball joint fastener.8. Remove the fastening bolt. Use a hammer. Use a pin punch.
Image shows a hammer and pin punch being used to remove a bolt from a car's suspension.9. Unscrew the front arm fastener. Use a drive socket #18. Use a combination spanner #18. Use a ratchet wrench.
Image shows a ratchet wrench and socket being used to unscrew a fastener on the front of a car's suspension arm.10. Unscrew the rear arm fastener. Use a drive socket #18. Use a combination spanner #18. Use a ratchet wrench.
Image shows a ratchet wrench and socket being used to unscrew a fastener on the rear of a car's suspension arm.11. Release the fastener connecting the ball joint to the steering knuckle. Use a flat metal-working chisel. Use a hammer. Disconnect the ball joint from the steering knuckle.
Image shows a flat-working chisel and hammer being used to release a ball joint fastener.12. Remove the arm. Use a crowbar.
Image shows a crowbar being used to pry a suspension arm away from its mounting point.13. Clean the mounting seats and the thread of the suspension arm. Use a wire brush. Use WD-40 spray.
Image shows a wire brush and WD-40 spray being used to clean suspension mounting points.14. Install a new arm.
Image shows a new suspension arm being positioned for installation.15. Connect the ball joint to the steering knuckle.
Image shows a hand connecting a ball joint to a steering knuckle.16. Install the control arm fasteners. Do not tighten it.
Image shows control arm fasteners being installed, with a ratchet wrench nearby.17. Support the arm. Use a hydraulic transmission jack.
Image shows a hydraulic transmission jack supporting a car's suspension arm.18. Tighten the ball joint fastener. Use a drive socket #18. Use a torque wrench. Tighten it to 50 nm torque.
Image shows a torque wrench and socket tightening a ball joint fastener.19. Screw the front arm fastener. Use a drive socket #18. Use a combination spanner #18. Use a torque wrench. Tighten it to 90 Nm torque.+75°
Image shows a torque wrench, socket, and spanner tightening a front arm fastener.20. Screw the rear arm fastener. Use a drive socket #18. Use a combination spanner #18. Use a torque wrench. Tighten it to 90 Nm torque.+75°
Image shows a torque wrench, socket, and spanner tightening a rear arm fastener.21. Remove the support from under the arm.
Image shows a hydraulic transmission jack being lowered from under the suspension arm.22. Treat all joints of the arm. Use copper grease.
Image shows a hand applying copper grease to joints of the suspension arm.23. Clean the wheel rim mounting seat. Use a wire brush. Treat the contacting surface. Use copper grease.
Image shows a wire brush cleaning a wheel hub mounting seat, with copper grease visible.24. Install the wheel.
Image shows a person installing a car wheel onto the hub.25. Screw in the wheel bolts. Use wheel impact socket #17.
Image shows a person using a wheel impact socket to screw in wheel bolts.26. Lower the car and working in a cross order, tighten the wheel bolts. Use a torque wrench. Tighten it to 110 nm torque.
Image shows a person using a torque wrench to tighten wheel bolts on a car's wheel.27. Remove the jacks and chocks.
Image shows a car's wheel with chocks removed, indicating the vehicle is ready.WELL DONE! ?
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Disclaimer: The document contains general recommendations for repair or replacement work. AUTODOC is not liable for any loss, injury, or damage occurring due to incorrect use or misinterpretation of the provided information. The information is for informational purposes only and cannot replace specialist advice. AUTODOC strongly recommends observing safety rules when performing repair or replacement works. Usage of low-quality auto parts does not guarantee road safety.
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