It is always there (only the first time) when i accelerate to 12 mph when i start the car, it also will be there if the engine is warm. If i apply the breaks the noise will not be there. My 2008 Ridgeline, which he is driving, has started making a loud grinding noise when he accelerates past 50. I don't hear the noise if I take my feet off the gas pedal. Noise is less when not accelerating and at speeds at or greater than 50MPH. Some have even noted the grinding noise to be coming from the power steering pump. I hear a slight metallic rattling noise coming from the front of my car when I accelerate. no different when turning. It makes a grinding noise when you first accelerate really slowly. Any help appreciated! Want Answer 0. I got stuck in some serious mud on a red dirt road today, and now when I accelerate it is grinding a bit, but not dying on me, and when I remove my foot from the gas and go to low rpm it doesn't have the same problem. Grinding noise when accelerating. My 2011 RT is starting to make a grinding/rubbing noise when I accelerate. Disc brake pads and drum brake shoes are a frequent contributor to grinding noises. When the belt no longer moves smoothly along the pulleys, it makes a noise when the car is accelerating. As soon as I remove my foot off the accelerator the noise goes away. And how long has this been going on? The sound disappears after reaching 35/40 mph. If the noise still persists, then the problem lies somewhere in the drivetrain or transmission. 2. 2. Occurs when driving straight, turning, starting from rest, driving with initial speeds(10,40,60 etc.). Like nails on a chalkboard a grinding noise doesn’t feel good. When i make left turns it's like new. When battery is at a low state of charge and the AC is on, therefore, whenever I slightly step on the gas the engine will immediately start. My car is a 2004 mazda 3 HB with 140,000 miles and a manual transmission. It appears to be coming from the passanger (right) side towards the middle, but deffinetly starting from the passanger side. Don’t see what it could be. noise only on acceleration (intermittent). As I slowed to a stop the noise was gone. During the summer I used to hear it only once in awhile mostly during hard acceleration. Belt noise can also come when one of the pulleys the belt is riding on starts to fail. 1 Posts . Any ideas? There is mud all over the bottom of the engine bay. The two most common causes of grinding noises under your car are worn brake linings or failing wheel or hub bearings. Faulty Steering. It started to make the same noise when I have 3 people in the car and I accelerate , it makes this horrible grinding noise ( sounds like its coming from the back) Im not sure what it is tho. Appears to be speed dependent and not based on RPM. Re: Loud grinding noise under acceleration. I have a cyclical griding noise when im accelerating in my car. https://www.aamcocolorado.com/my-car-is-making-a-grinding-noise Mechanic's Assistant: Where exactly do you think the noise is coming from? Be sure to check your vehicle's maintenance guide for more information on mileage and time intervals. I checked it isnt the engine or the transmission. Any help would be appreciated. It could very well be your engine, the alternator, the different pulleys, and a host of other things. Grinding noise around difential area when accelerating Hear a grinding noise around the differential area when accelerating while going straight or right. It does not do it all the time. But not always. I drive an Atlas 3.6, 2018 model (approx 9K Miles). honda pilot grinding noise when accelerating, Your 2017 Honda Pilot will also contain a pickup tube, gasket, and rubber seal which may all need to be interchanged along with the filter. This is the highest flowing BOV on the market. 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