What Causes the Squeaking Sound When Starting a Car?

1 Answers
LaGianna
07/29/25 9:11pm
The reason for the squeaking sound when starting a car is: excessive wear of the flywheel teeth, which requires replacement of both the flywheel teeth and the starter motor gear. The steps for starting an automatic transmission car are: 1. Turn the ignition key to the power position; 2. Press the foot brake and shift the gear from P to N; 3. Release the foot brake and start the engine; 4. Allow the engine to warm up while stationary; 5. Press the foot brake, shift the gear from N to D, and release the handbrake; 6. Gradually release the foot brake and smoothly press the accelerator to start moving. The steps for starting a manual transmission car are: 1. Fully depress the clutch pedal; 2. Move the gear lever to engage first gear; 3. Gently push down the turn signal lever to activate the left turn signal, alerting vehicles in front and behind; 4. Press the horn button to alert pedestrians in front of the vehicle that you are about to start; 5. Release the vehicle's handbrake; 6. Slowly lift the left foot until the clutch reaches the half-engaged position, causing the vehicle to vibrate slightly; 7. As the vehicle begins to move, release the clutch and gently press the accelerator.
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