my BMW 3 Series makes a grinding noise when I turn

Solution

1. Preparation

• Gather necessary tools and park the vehicle on a level surface.
• Ensure the engine is off and the vehicle is in park with the parking brake engaged.

2. Inspect and Replace Power Steering Fluid

• Sub-steps:
  1. Locate the power steering fluid reservoir.
  2. Remove the cap and check the fluid level. If low, fill with the manufacturer-recommended power steering fluid.
  3. If the fluid appears dark or contaminated, perform a fluid flush.
• Tools Required: Funnel, power steering fluid.

3. Replace Worn Tie Rod Ends

• Sub-steps:
  1. Raise the front of the vehicle and secure it on jack stands.
  2. Remove the cotter pin and nut from the tie rod end.
  3. Use a tie rod separator to disconnect the tie rod from the steering knuckle.
  4. Install the new tie rod end, ensuring it is properly secured with a new cotter pin and nut.
• Tools Required: Jack stands, tie rod separator, socket set, torque wrench.

4. Inspect and Replace Wheel Bearings

• Sub-steps:
  1. Remove the wheel and brake assembly to access the hub assembly.
  2. Check for any play in the wheel bearing by moving the hub back and forth.
  3. If worn, remove the hub and replace the wheel bearings with new ones.
  4. Reassemble the hub and brake assembly, ensuring all bolts are torqued to specifications.
• Tools Required: Socket set, torque wrench, bearing puller.

5. Inspect and Replace CV Joints

• Sub-steps:
  1. Raise the vehicle and remove the front wheels.
  2. Inspect the CV boots for tears or grease leakage.
  3. If damaged, remove the axle from the hub and replace the CV joint assembly.
  4. Reinstall the axle and wheel, ensuring everything is torqued to specifications.
• Tools Required: Socket set, axle puller, torque wrench.