my Volkswagen Golf MK5 (2004-2008) is shaking at high speeds what could it be

Solution

1. Preparation

• Gather tools and parts: wheel lock key, tire pressure gauge, jack and jack stands, torque wrench, and alignment tools.
• Park the vehicle on a level surface and engage the parking brake.

2. Inspect and Inflate Tires

• Sub-steps:
  1. Remove the hubcaps if applicable.
  2. Check tire pressures against manufacturer specifications and inflate as necessary.
  3. Inspect tires for bulges, punctures, or uneven tread wear.

3. Balance Wheels

• Sub-steps:
  1. Remove the wheels from the vehicle using a socket set.
  2. Mount each wheel on a wheel balancer.
  3. Add wheel weights as needed to achieve balance according to the balancer's readings.
  4. Reinstall the wheels, tightening lug nuts to the manufacturer’s torque specifications.

4. Inspect Suspension and Alignment

• Sub-steps:
  1. Visually inspect suspension components for wear or damage.
  2. Replace any worn bushings or struts as needed.
  3. Perform a wheel alignment using an alignment machine to adjust camber, caster, and toe settings.

5. Check Drivetrain Components

• Sub-steps:
  1. Inspect wheel bearings for play or noise by spinning the wheel by hand.
  2. Replace any failing bearings and ensure all bolts are secured.
  3. Test drive the vehicle to confirm the issue is resolved.