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May 24, 2024 · The flywheel or flexplate may be worn or cracked. Flywheels and flexplates connect your vehicle’s engine to the transmission. When they’re old or broken, they may wobble and create a rattling sound near your engine. [15] The Fix: Replace the plate if it looks damaged and you’re experienced with repairing cars.
Key Point: Engine mount deterioration, leading to increased engine movement and rattling, typically costs between $250 and $600 to repair. 7. Loose Belts and Pulleys. Loose belts and pulleys under the hood can cause rattling noises, particularly noticeable at startup or lower speeds.
Feb 12, 2023 · The most common causes of a rattling noise from under the vehicle are loose exhaust components, broken suspension, bad catalytic converter, brake problems, or the wheels such as a loose lug nut. Here is a more detailed list of the most common causes of rattling noises coming from under the car: 1. Loose Exhaust Components.
Jan 9, 2018 · This creates a rattling noise. Solution: Replace the starter motor. Bad fan clutch. If your vehicle has rear-wheel drive, with its engine mounted lengthwise, your engine may have a fan clutch to regulate the operation of its engine-mounted cooling fan. The fan clutch can fail and produce a rattling noise.
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Apr 16, 2024 · A loose or damaged exhaust system can cause rattling noises when driving over bumps. This can be due to a loose exhaust pipe, muffler, or catalytic converter. If you suspect that your exhaust system is the culprit, take your car to a mechanic to have it inspected. They may need to tighten or replace the damaged components.
Jul 6, 2024 · Possible Causes. Faulty or loose parts can cause your car to make a rattling noise. The strange noise could come from inside the car, beneath it, or under the hood. Some components that could cause the noise when they’re faulty or worn out include the windows, heat shield, and hydraulic valve lifter, among others. 2.
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Aug 7, 2023 · Rattling Under The Car. Rattling noises coming from underneath the car are most commonly caused by corroded or loose exhaust components and heat shields. Heat shields along the exhaust pipe and manifold can become loose and vibrate against surrounding metal. Here are the most common causes of rattling beneath your vehicle: Damaged Brackets
