What Causes the Abnormal Noise When Crossing Speed Bumps with a Cold Engine?

1 Answers
JaylaMarie
07/29/25 3:37pm
Here are the reasons and solutions for abnormal noise when crossing speed bumps with a cold engine: 1. Transmission noise. If the noise occurs when the car is idling and disappears after pressing the clutch, it indicates a transmission issue. Solution: Immediate repair is required. 2. Engine compartment noise. Possible causes include a blocked exhaust system or leaking/broken vacuum pipes. Solution: Send for professional inspection as soon as possible. 3. Steering wheel noise. Possible causes include leaking steering gear dust covers, insufficient tension or aging of the power steering belt. Solution: Replace the corresponding components. 4. Suspension noise. The suspension system operates continuously during driving, leading to wear of rubber bushings between shock absorbers and various links. Solution: Have professionals at a repair shop or 4S store replace the components.
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