- Unbalanced wheels: If the wheels were not properly balanced after the struts were installed, this could cause the steering wheel to shake. Balancing ensures that the weight of the wheel and tire is evenly distributed, preventing vibrations at high speeds.
- Loose lug nuts: If the lug nuts were not properly tightened after the struts were installed, they could come loose and cause the wheel to wobble, which would transmit vibrations to the steering wheel.
- Bent or damaged suspension components: If any suspension components were bent or damaged during the strut installation, such as the control arms, tie rods, or ball joints, this could also cause the steering wheel to shake. Inspect these components for any signs of damage or misalignment.
- Faulty wheel bearing: A faulty wheel bearing can cause the wheel to wobble, which would transmit vibrations to the steering wheel. Check for any signs of play in the wheel bearing by wiggling the wheel at the 12 and 6 o'clock positions.
- Driveline issues: If there is an issue with the driveshaft, differential, or transmission, this could also cause the steering wheel to shake. Listen for any unusual noises or vibrations when driving the vehicle.
- Engine misfire: In rare cases, a misfiring engine can cause vibrations that are felt in the steering wheel. Check the engine for any misfires or engine performance codes.
If you suspect any of these issues, it's important to have the vehicle inspected and repaired by a qualified mechanic as soon as possible to ensure safe operation of your vehicle.