What Causes the Squeaking Sound When Reversing in an Automatic Transmission Car?
2 Answers
Automatic transmission car reversing squeaking sound causes are: 1. Noise generated by the car door or other structural components; 2. Internal noise from the transmission itself; 3. Noise produced by the clutch release bearing or the flywheel pilot bearing; 4. Loose or slack structural components of the car seat. The gears of an automatic transmission car include: 1. P gear is the parking gear, used for long-term parking of the vehicle; 2. R gear is the reverse gear, engaged when the vehicle needs to move backward; 3. N gear is the neutral gear, engaged when the vehicle is parked for a short time without turning off the engine; 4. S gear is the sports mode, making the vehicle drive more sporty; 5. M gear refers to the manual mode, where gear shifting is manually completed by the driver when the gear lever is engaged in M gear.
When I reverse my automatic transmission car, I occasionally hear a squeaking sound, which I suspect is an issue with the braking system. Changing the wheel direction while reversing can easily cause the brake pads to rub against foreign objects or dust, creating noise. Last time I went to the repair shop, they cleaned the brake discs, and the noise stopped immediately. It could also be due to aging suspension components, such as dried or loose rubber rings on the shock absorbers, which make noise when the car shakes during reversing. Uneven tires or small stones stuck in them can sometimes cause grinding sounds when reversing. I recommend not ignoring this issue, as prolonged neglect could wear down other components and affect safety. Check the thickness of the brake pads yourself or schedule regular maintenance.
