
There are several reasons why an eighth-generation Accord may produce a rattling noise when driving on bumpy roads: 1. Body noise: This is usually caused by insufficient body rigidity, leading to deformation during driving, resulting in friction or shaking between doors and door frames, or friction between steel plates due to welding failures in certain areas. Applying adhesive strips on doors and windows or placing rubber pads at friction points may help reduce or eliminate the noise. 2. Engine compartment noise: There are various possibilities for noise originating here. A high-pitched belt squeal is typically caused by belt slippage. If there is a sound of metal parts rubbing against each other while the engine is running, it usually indicates damage to the bearings of the generator, water pump, or power steering pump.

I've been driving an eighth-generation Accord for many years, and the car does make a clunking sound when going over bumpy roads, which is usually not a minor issue. The sound comes from the aging suspension system, such as worn or loose shock absorber top mounts, which vibrate and make noise when hitting potholes. It could also be due to loose stabilizer bar links or cracked control arm bushings, causing parts to collide. I recommend getting it checked as soon as possible because ignoring it can accelerate damage to other components, such as wheel bearings, ultimately increasing repair costs. Regularly performing a simple check of the chassis before driving to look for obvious looseness can help identify problems early.

A clunking noise is quite common when driving on bumpy roads. I think the issue with the eighth-generation Accord might be related to its suspension system. For example, if the shock absorber mounting seat is damaged, components can collide and make noise when driving on rough roads. Additionally, loose brake caliper brackets can also cause similar abnormal sounds, so it's important to check them. If left unrepaired, this could affect steering stability over time and pose a safety hazard. It's best to have a professional inspect it to avoid causing further damage by attempting DIY repairs. Regular suspension maintenance can reduce such issues and extend the vehicle's lifespan.

A rattling noise on bumpy roads is mostly caused by loose chassis components, such as aging suspension bushings or loose shock absorber brackets. I've noticed this issue frequently occurs in eighth-generation Accords after prolonged use. Delaying repairs can accelerate wear. Well-maintained cars have fewer abnormal noises, so don't wait until major problems arise. Quick fix: Check mounting bolts and bushings, and replace them if necessary.


