Wheel Bearing Bolt for Volkswagen Phideon Phaeton Touareg, Audi Q5L A5 A6

OE:8E0407643A

✅Axle Hub Mounting Bolt / CV Joint Bolt This bolt is designed to:

• Secure the front or rear wheel hub bearing assembly, while firmly locking the outer CV joint of the drive axle to the wheel hub.

• Withstand radial loads, axial loads, and torque during vehicle operation, making it a critical safety component of the wheel drive system.

• Installation location: At the connection between the wheel hub bearing and the drive axle on the front or rear axle (compatible for both left and right sides).

✅Key Usage & Service Notes

• Do Not ReuseThis high-strength wheel bolt must be replaced with a new unit after removal. It undergoes irreversible tensile deformation during initial tightening, and reuse will reduce its strength, creating a risk of fracture while driving.

• Must Be Installed to Factory Torque SpecificationsThese bolts have very high torque requirements (typically 120–180 N·m, refer to your vehicle’s service manual for exact values). Always use a torque wrench for installation. Insufficient torque can lead to loosening, while excessive torque may break the bolt or damage the bearing.

• When to Replace This BoltThe bolt must be replaced in the following scenarios:

◦ When replacing the wheel hub bearing or hub assembly

◦ When removing the drive axle or outer CV joint ◦ During repairs for wheel noise or loose wheel bearings

◦ After collision repairs or during major chassis maintenance