Perhaps the transmission? My 2007 Honda Civic makes a grinding noise when accelerating and idling. It is actually challenging to find the root cause of whining noise when accelerating but these common causes will give you the heads-up. That can be a clutch problem in a manual transmission, an automatic transmission issue , a worn u-joint or CV joint, or something in the brakes, suspension or steering. Step 2: Try to feel steering wheel vibrations as it's accelerating . Transmission Noise and Other Signs of Transmission Problems When buying a used car, you are always taking a risk that it may be more “used” than you bargained for. It appears to be coming from the passanger (right) side towards the middle, but deffinetly starting from the passanger side. I have a cyclical griding noise when im accelerating in my car. The way to diagnose transmission problems is to first take note of when the problem is present and under what conditions. My car is a 2004 mazda 3 HB with 140,000 miles and a manual transmission. When I came back to it, I started it up and it was making a loud grinding noise, when idle and when in any gear. It’s important to note that, whichever component is causing the grinding noise, it needs immediate repair. If a manual transmission makes noises just when the clutch pedal is all the way up or engaged and a grinding or rattling noise is heard, the throw-out bearing for the clutch is bad. Grinding. I started the car today, moved it about 50ft and then shut it off. I've had this happen twice when passing going uphill on the highway. So, the best way to stop the noises is to figure out what exactly is causing them. The following are common causes of grinding noise in automobiles. Everything has been working perfectly normal, no sounds, cluth slippage, or any other issues until today. 1. I have a manual transmission. There can always be hidden problems lurking that are difficult to diagnose in the few minutes you have while you are looking at the car. or something else? Has anyone had a loud rattling grinding noise coming from under the Pat when accelerating above 4500 RPM going uphill? You should do a thorough transmission check-up when the car starts making a grousing sound when speeding up. It could happen because of low transmission fluid level or worn out gears. It may even impact your engine too. When accelerating, it seems to slightly lessen, but not much. A similar concern to grinding is if your car makes a clicking noise when accelerating and turning a corner at high speeds. Examine The Transmission. If you hear a grinding sound or noise coming from the transmission as the vehicle accelerates or decelerates while the clutch pedal is out, it may be coming from the pilot bearing. 1. During the summer I used to hear it only once in awhile mostly during hard acceleration. The most common causes of grinding noises in automobiles are worn-out brakes, a faulty CV joint, or transmission issues. A constant whining noise when your car is in gear needs professional attention. If your car has an automatic transmission, one of the most disconcerting noises that you can hear coming from your transmission is a grinding noise. Check to see if the noise desists when you shift the vehicle to park or neutral. Below are the top 3 causes of transmission noise. What Is Causing a Grinding Noise in My Car? There's a manual transmission, and when my foot is off the clutch, the noise goes away.