It seems that I can control the noise with my foot on the accelerator pedal. I'm pretty sure that it isn't the problem, but basically I was driving around and noticed a loud "knocking" sound at all speeds. Once I just step on accerelator slightly to keep car going, the sound disappears. Watch the next video and see if you can hear the noise, possibly coming from the clutch assembly, when the driver releases the clutch pedal (engages the clutch). Let off the gas and you get this flute like sound that's very annoying. Had a similar noise on my ZS, turned out to be something loose in the back box (a baffle?) Anyhow, 2005 Subaru impreza outback sport 5 spd manual transmission with at least 330k on it but sold to me with 118××× and I think either a new or refurbished engine. I’m suspecting … When drive vehicle and take foot off accelerator a loud rattling noise comes from right front wheel. Engine Rubber Mounts (Solution: Get them replaced) 2. I have has this car for about 6 months and currently has 29k on the clock. Working at my fire station today and our mechanic is on duty. Yipes! If the car kills new oxygen sensors quickly, the fear would be that someone may have used liberal amounts of silicone seal when rebuilding the engine. soon after a tiny hole appeared so had to replace it. Hi All, Im having this problem for some time as in while travelling in gear, when I lift my foot off the accelerator, there is this whining noise and its seems to be from the auto tramsmission gearbox....some kind of sharp engine brake noise, very annoying. Ahoy! Could possibly be a baffle loose in the exhaust. Share this conversation. Car is 6 yrs old. The most common noise when you take your foot off the gas is a heat shield vibration, which is usually a high-pitched metalic chatter. I don’t think it’s the fuel pump. Taking it to a mechanic on my next day off just trying to relax about it but also trying to figure out if I’m about to spend a couple hundred bucks or cry alot and try to find a less yellow sour vehicle. It's not hub bearings. ford fiesta rattling noise when accelerating Published by on January 27, 2021 on January 27, 2021 menu Whirlpool Go to navigation. After about 15-20 minutes of driving, however, the "rattling" sound pretty much always goes away (even after pressing the accelerator). I can manually shift into 1st, 2nd, and 3rd gear, and it will shift fine. (Yes yes, I’m a gullible idiot I know.). 07 Hyundai Accent just - Answered by a verified Hyundai Mechanic Mine would only do it when I let off the throttle in gear, it would put a little force on the gears from the engine breaking. Do not ignore a car that thuds when taking the foot off the accelerator pedal. I seem to be getting something similar with my MGF so hopefully someone can shed some light on this for both of us. If I shifted into neutral it would stop. My car is making a clicking noise when I take my foot off the accelerator. The humming usually starts when I hit around 40 mph or above and the rumbling starts when I let off the gas and just coast until I come to a complete stop. I have a 2001 Peugeot 206 1.4LX 3door Petrol. Constant Velcoity Joints---CVJ (Solution: Get them replaced or greased---there are steel balls in it which may rattle) 3. Knocking noise when taking foot off accelerator Truck is a 2006 z71 sierra has 160,000 miles. But when I shift into reverse or drive it clicks in really hard. eg when driving in city traffic you take foot off accelerator to begin to slow down it start knocking noise but slops as soon as you touch the accelerator. Does the ventilation system change in any way when this happens? You will notice that a belt is bad if you see damage in the form of frayed or tattered sides. The most common noise when you take your foot off the gas is a heat shield vibration, which is usually a high-pitched metalic chatter.