Main points
- As a last resort, you can apply heat to the bolt head using a torch.
- If the bolt head becomes rounded off, use a Dremel tool or a bolt extractor to remove it.
- In case of a broken bolt, drill a hole into the remaining bolt and use an easy-out tool to extract it.
Replacing control arms is a crucial suspension repair task that requires the removal of stubborn bolts. If you’re struggling to get control arm bolts out, don’t fret! This comprehensive guide will equip you with the knowledge and techniques to conquer this automotive challenge.
Safety First
Before embarking on this task, prioritize safety by wearing proper protective gear, including gloves and safety glasses. Ensure your vehicle is securely parked on a level surface and use jack stands to support it.
Preparation: Essential Tools and Materials
Gather the necessary tools and materials:
- Socket wrench or impact wrench
- Sockets (sizes may vary depending on your vehicle)
- Penetrating oil (WD-40 or similar)
- Wire brush
- Hammer
- Breaker bar or cheater pipe
- Torque wrench
Step-by-Step Instructions: Getting the Bolts Out
1. Locate and Spray with Penetrating Oil
Identify the control arm bolts and generously apply penetrating oil around them. Allow it to penetrate for at least 30 minutes.
2. Clean and Brush Bolt Heads
Use a wire brush to remove any rust or corrosion from the bolt heads. This will ensure a secure grip for your socket.
3. Use the Right Socket Size
Select the appropriate socket size for each bolt. A loose-fitting socket can strip the bolt head, making removal even more difficult.
4. Apply Controlled Force
Attach the socket to the breaker bar or cheater pipe. Gradually apply force in a counterclockwise direction to loosen the bolt. Avoid using excessive force, as this can damage the bolts or threads.
5. Use an Impact Wrench (Optional)
If a socket wrench is insufficient, consider using an impact wrench. This tool delivers high-torque bursts that can help break loose stubborn bolts.
6. Retighten and Loosen
If the bolt remains stuck, try tightening it slightly in a clockwise direction before loosening it again. This can break the bond between the bolt and the threads.
7. Heat Application (Caution)
As a last resort, you can apply heat to the bolt head using a torch. However, exercise extreme caution and avoid overheating the bolt or surrounding components.
Troubleshooting: Overcoming Obstacles
Bolt Head Rounded Off
If the bolt head becomes rounded off, use a Dremel tool or a bolt extractor to remove it.
Broken Bolt
In case of a broken bolt, drill a hole into the remaining bolt and use an easy-out tool to extract it.
Installation: Tightening the Bolts
Once the old bolts are removed, clean the threads and apply anti-seize compound to prevent future corrosion. Tighten the new bolts using a torque wrench to the specified torque value.
Final Thoughts: A Job Well Done
Congratulations! You have successfully conquered the challenge of removing control arm bolts. By following these steps and troubleshooting tips, you have demonstrated your mechanical prowess and restored your vehicle’s suspension to optimal performance.
Top Questions Asked
Q1: Why are control arm bolts so difficult to remove?
A1: Control arm bolts are often subjected to high stress and corrosion, making them difficult to loosen.
Q2: Can I use a regular wrench instead of a breaker bar?
A2: A breaker bar provides additional leverage and is recommended for loosening stubborn bolts.
Q3: How do I know if a bolt is broken?
A3: If you encounter excessive resistance while loosening a bolt and it suddenly spins freely, it is likely broken.
Q4: What is the purpose of using anti-seize compound?
A4: Anti-seize compound prevents corrosion and makes future bolt removal easier.
Q5: Can I reuse control arm bolts?
A5: It is recommended to replace control arm bolts with new ones to ensure safety and proper performance.
