1. Loose or Damaged Drive Shaft: The drive shaft transfers power from the transmission to the wheels. A loose or damaged drive shaft can cause a rattling sound that progresses to a grinding noise.
2. Worn-out Universal Joints: Universal joints connect the drive shaft to the wheels. If the universal joints are worn out, they can cause a clunking sound when accelerating.
3. Failed CV Joints: Constant velocity (CV) joints allow the wheels to turn smoothly at different angles. Failed CV joints can produce a clicking sound that gets louder and progresses to a grinding noise.
4. Faulty Wheel Bearing: A worn-out or damaged wheel bearing can cause a grinding or scraping noise when accelerating.
5. Faulty Transmission Mount: A loose or damaged transmission mount can allow the transmission to move, causing a rattling sound that can worsen into a metal dragging noise.
Action Required:
1. Inspection: Take your vehicle to a mechanic so they can inspect the underneath components and identify the source of the noise.
2. Repair: Depending on the cause, repairs may involve tightening or replacing the drive shaft, universal joints, CV joints, wheel bearings, or transmission mount.
