Tire Imbalance:
- Unbalanced tires can cause vibrations at specific speed ranges. Make sure the new tires were properly balanced during installation.
Wheel Alignment:
- Improper wheel alignment can also lead to vibrations. Ensure that the wheels are aligned correctly, especially after installing new ones.
Driveline Issues:
- Worn or damaged driveline components, such as U-joints, driveshafts, or axle bearings, can cause vibrations. Inspect these components for any play or excessive wear.
Differential Problems:
- Issues with the differential, such as low fluid levels, worn gears, or damaged bearings, can also result in vibrations. Check the differential fluid level and condition, and have the differential inspected if necessary.
Suspension Components:
- Worn or damaged suspension components, such as control arms, ball joints, or tie rods, can cause vibrations. Inspect these components for any signs of wear or damage.
Brake Issues:
- Warped or damaged brake rotors, or uneven brake pad wear, can cause vibrations. Check the condition of the brake components and replace any worn or damaged parts.
Axle Housing Bent:
- If the left rear axle housing is bent, it can cause the wheel to wobble and cause vibrations. Have the axle housing inspected for any bends or damage.
Loose Lug Nuts:
- Ensure the lug nuts on the left rear wheel are properly tightened. Loose lug nuts can cause the wheel to wobble and create vibrations.
Damaged Wheel:
- Check the new wheel for any bends or damage that may have occurred during installation or afterward. A damaged wheel can cause vibrations.
If the vibration persists after checking and addressing these potential causes, it's recommended to have your vehicle inspected by a qualified mechanic for a more thorough diagnosis and repair.