Strange noises are your car's way of telling you that something is wrong. Discover what could be causing the grinding noise coming from under your vehicle.

I have a 2007 Nissan Altima 2.5s, with approx. 65,000 miles and an automatic transmission. About two month ago I noticed that when I started the car there was a loud rattling noise coming from under t … read more

The Duke · Registered. Joined Jul 17, 2008 · 53 Posts . Discussion Starter • #1 • Sep 20 This can cause a rattling noise under the vehicle. The exhaust noise may also be louder than normal, and appear to be coming from under the car instead of the tailpipe at the rear.

Rattling noise under car

As a car sits, all the residual oil (in the hydraulic valve lifters, for example) drains down to the oil pan. When you re-start the car, particularly when the weather is cold and the oil is most viscous, the valve lifters and all the other rotating engine components have to be re-supplied with oil under pressure. 2020-10-22 · A heat shield noise is a type of rattle you hear while your car is idling, or at a specific engine speed or RPM. Heat shields are metal plates along the exhaust system of your car that deflect heat away from the floor of your vehicle and other heat-sensitive components like fuel tanks, wiring, and brake lines. My 4000 mile High Up did it, along with the "Cold start impossible to get 1st and reverse gear" issue. Complete clutch was changed under warranty, and the noise lessened, but is still there , albeit quieter. Goes away when clutch depressed, and gets quieter as the gearbox warms up. I fully expect it to get worse as I put more mileage on the car.

a rattling noise comes from under my car whenever i give it gas. it sounds like something loose is rattling real bad but if you let off the gas it stops and in park/neutral you can rev up the RPMs and … read more The 2008 Honda Accord has 4 problems reported for rattling sounds from under car.

film8622 July 5, 2016, 10:57pm #9. You know, after I got on YouTube and listened to the sound of rattling heat shields, they are very “tiny, clunky and metallic” sounding. The sound that my car makes is a very low “vibrating-rattle” sound. You can almost feel the something under the car shaking.

The moving parts inside your engine. You have a great many moving parts inside your engine. The timing belt or The things that are attached to your engine.

I then replaced the front shock absorber struts, which also hasn't stopped the rattling. I took it back to the mot centre and they put my car on the mot testing ramp to aggressively shake it. You can't hear any rattling /knocking in the workshop. I can only hear the knocking when I'm driving around 20mph, over uneven road.

Joined Jun 20, 2007 · 671 Posts 1. Car making rattling, screeching, squeaking noise when you use the brakes: This could be a sign that you have damaged brakes, including dirty brake pads or worn brake pads. It might also mean your are not operating in an even fashion, or that the rotors are warped and the brake drums need to be replaced. If the rattling noise occurs when the car is stationary the origin is in the engine/transmission and/or exhaust system. If the identical rattle occurs when the car is moving, too, motor mounts or loose exhaust system components are a possibility.

Loose U-joints along the drive shaft, failed bearings and worn CV joints can also produce similar rattling sounds. Diagnose and Fix a Bad Sway Bar Link.
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The sound of a loud metallic But when your engine is idling, you may hear a scraping noise from the front of your car. Car Grinding Noise Under the Hood.

Read more below to find out what the problem could be. 14 Mar 2021 You can crawl under your vehicle and inspect it for damage, just be sure to let it cool down first if you've recently been driving. You can also use If you hear a noise when your car is accelerating at low speeds, find out what type of If the rattling sounds like it's coming from under your bonnet, it could be a Is your vehicle currently producing an alarming rattling sound when under acceleration? If so, you're certainly not alone.
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Diagnose and Fix a Bad Sway Bar Link. Hear a rattling noise under your car every time you drive over a bump? It could be from loose or worn sway bar links.If you want to know if your sway bar links are bad, this article will explain how to identify a bad sway bar link by its symptoms, how to inspect the sway bar links yourself, and what you can do to fix them.

If so, you likely have an issue with your suspension. Lighter, almost rattling, but dull "Tunk" sounding noises over uneven roads and bumps. Sounds like something is loose. Noise reduces or disappears at higher speeds.