What Causes Engine Knocking When Accelerating? – Rx Mechanic. "> What Causes Engine Knocking When Accelerating? – Rx Mechanic. "> Porsche Cayenne Knocking Noise When Accelerating - Knocking When Accelerating? – Rx Mechanic">What Causes Engine Knocking When Accelerating? – Rx Mechanic.

Porsche Cayenne Knocking Noise When Accelerating - Knocking When Accelerating? – Rx Mechanic">What Causes Engine Knocking When Accelerating? – Rx Mechanic.

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Humming sounds when turning at higher speeds usually indicate a wheel bearing is going bad and it hums during a turn because …. It only pops when accelerating from a stopwhen you get to about 15 to 20 mph AND …. But I noticed something today while driving. At higher speeds like when making a quick. In extreme cases, the whining could indicate that there’s a larger problem with the transmission that needs attention. If you don’t have enough oil, or enough oil pressure, the top end of your engine will suffer first. Ease off the clutch and onto the gas when shifting gears. Less common causes are faulty throttle position sensor (TPS), bad ignition coils, dirty. Current Chevys -'19 Silverado RST;'18 Malibu LT Redline;'18 …. This will create an even more noticeable noise than the previous one. One of the most common reasons is the car is low on oil. Hearing Bumping noise when turning - I have a 2018 RR supercharged with 15k miles. The description of this sound is actually the primary source of this issue. The most common reason why your engine is knocking during acceleration is you have the wrong fuel in your car or just fuel with a low octane rating. In this type of wear, scallops or dips are formed around the tread indicating an out of balance. Chasing a clicking/knocking noise that seems to be coming from my front passenger tire area. Below we’ve highlighted ten potential causes of a knocking sound under your car when you’re accelerating. The 'knocking' sort of sound happens only at gear 3 at exactly 3000 rpm. the Cayenne's engine should sound …. hunting lease in ga You may also experience vibration along with the noise. It sounds like a rhythmic tapping coming from the exhaust or engine. This sound is not only disturbing to the ears but also has a destructive effect on the engine and its internal parts. The sensors detect knock or ping in the motor, which is pre-detonation and can cause serious and expensive damage to the motor. found and sons obituaries culpeper va When driving, keep all the windows rolled up when accelerating. going over a speed bump or a driveway with a steep entrance). It click's when I tapp the accelerator in very low speed, and from a standstil to back and forward. If you’re unsure of what to do or what kind. PORSCHE PDK FACTORY RESET PROCEDURE 1. It could be because of the lower fuel level than the air percentage. Using low-quality or contaminated fuel can lead to engine knocking, which produces a loud noise during acceleration. It also gets louder when I hit the gas harder. I have this hum noise (no clicking or rattling) just constant pretty loud noise when accelerating. Took the vehicle to a mechanic to diagnose the fault and they immediately knew what it was, engine transfer case failure. Why does it take My Range Rover to hit 1. donna hobgood Finally, if you encounter a noise when accelerating with your Ford Edge and this noise which could be a cliking sound tends to reduce when you disengage (press the clutch pedal), then one of the wear parts of your clutch system may be the cause. Remember: as you accelerate the vehicle at low speed, the vehicle’s weight will shift towards the back. If the oil level is low, replenish it for around $20 to $60 and see if the knocking goes away. Hi I installed a completely new driveshaft on my porsche cayenne 2009. 2006 Porsche Cayenne Knock Sensor; 2006 Porsche Cayenne Accelerator Pedal Sensor; 2006 Porsche Cayenne Knock (Detonation) Sensor Connector; Show Less. The ticking noise is most likely your exhaust heating up. 13 scamp trailers for sale Porsche Cayman engine knocking sound easy Fix, this Porsche engine had a strange Knocking / Clanking sound upon start up, it sounded very serious like it was. Aesthetically, it is in near perfect condition. The eight-speed Tiptronic S automatic transmission contributes to improved acceleration through noticeably quicker reaction and gear change times in the Sport and Sport Plus modes. If you've filled up with lower-octane gas, you can try adding an octane booster to stop the knocking. This site is 99 percent member supported (less than 1 percent comes from advertising) - so please consider an annual donation to keep this site running. The way to test whether its the trailing arms is to find a bump or a hole that creates the knock. magnolia chapel south tuscaloosa al Any noises such as these are an indicator that the vehicle should be serviced as soon as possible. ddlc plushies It then uses that information to find cases similar to the one you're facing to provide a diagnosis. The knocking sound is not just one knock or bang but multiple knocks and it does not happen under normal driving and stops when you take …. Hum, my car had an issue where it started to make a wining noise from the rear. Looking for some thoughts to this, 5 yr old Cayenne S, at low speed and just as you start to accelerate the there is a juddering/knocking coming from what appears to be the center of the car, does. It resembles a clicking, ticking or tapping noise. They usually cause a rhythmical, knocking type noise. Almost all the noise ended, but still sometimes on 'right kind' of bumps i hear the fairly loud bang from rear that sounds like coming from close to my ears. Mac OS X only: Small software application Noise drowns out distracting sounds while yo. I have then changed the arm bushing part n. up faith and family promo code You need to tighten the lug nuts on your alloy wheels. This is definitely a creaking noise like an old spring or something. If the sound comes from beneath your vehicle, it is probably the transmission. au/2022-porsche-cayenne-turbo-gt-review-video-0817/ for the. Rod knock could be the possible reason for a major engine issue. Love this car, never liked the Porsche. 6L Turbo: Service type Creaking noise when turning the steering wheel Inspection: Estimate $114. Easiest way to check engine versus suspension noises: Put the car in park (or neutral with an MT and press in the clutch), turn on your e-brake, keep your foot on the brake pedal, and rev the engine up slowly. Jun 22, 2020 · The turbo pressure sensor: This sensor will manage the pressure exerted in the turbo of your car, if it fails it may disturb the behavior of your turbo and create vibrations that you may feel within the acceleration of your Porsche Cayenne. Cheap or low-quality oil can cause engine components to wear down faster, which can lead to noise. Porsche Cayenne Noise when Accelerating CarBeast's AI makes sense of symptom descriptions and technician repair notes. transmission makes humming noise rather than a whining sound. Power combined (kW)/Power combined (PS) 4. Finally, if you experience a noise when accelerating with your Cadillac SRX and this noise which could be a cliking sound tends to stop when you disengage (press the clutch pedal), then one of the wear parts of your clutch system may be the reason. The vibration seems to only occur on acceleration and does seem to be coming from the rear. Since the car has 150 HP, I always press down the accelerator lightly. My 2014 Cruze has developed a noise that I have not been able to figure out. First of all, the sound is not one-dimensional, but instead covers a broad range of frequencies. Skoda Octavia Mk III (2013 - 2020) knocking when accelerating. During acceleration, many times you will hear some metal knocking noise from the Porsche Cayenne that gets louder and faster when you speed up the car. 1 – Fixing Misfiring Spark Plugs; 2. If you search trunk/tailgate clunking you'll find threads on that for the Macan and Cayenne. when gas pedal is pressed, the car does not accelerate for 2-3 sec, then it "jumps" - in may, car was. Recently I have noticed that when accelerating from a light there will be 2 or 3 “bumps” that, even though the road surface is smooth, feels like I have just run over some uneven pavement. Sounds like a joke! 3rd visit after they ordered the tool from oversea. I have a 2004 Porsche Cayenne S v8 4. You might also feel the same effect if the popping issue is due to a worn-out ball joint. Reason-2: Damaged Transmission Gear. I don't believe it's the Cardan. It sounds pretty much like a stuck needle in the nozzle, however, no changes in vibration, exhaust, whatsoever. On December 29, 2019 had oil change, fluids. I don't hear it while in neutral and revving the engine, but when accelerating in gear from a stop I hear. menendez murders crime scene photos So make sure you verify by taking speed (neutral and …. Macan TSB Door Handle Cracks MC-10182260-0001. 00 I feel that I have been totally … read more. This is because the pressure waves from the premature combustion collide with each other and create noise. Don Eilenberger - general cook and bottlewasher. 2015 Porsche Cayenne S 92A Auto 4x4 MY16 Noise and heat insulated glass options gives you double-glazed windows, that is, ie. Each time you step on the brake or turn the steering wheel, the noise will just get louder. The knocking sound is not just one knock or bang but multiple knocks and it does not happen under normal driving and stops when you take your foot off the. Re: Knocking noise when accelerating hard (SleepyJoe) Make sure your chip isn't made for 93 octane (if all you've got is 91) If you've got one that is, send it back for reprogramming/exchange. It’s not recommended to drive with engine knocks as it may pose more problems, such as engine seizures. The most common problem that causes knocking engine sounds is low-quality fuel. Push a hose onto the end of the valve. A common cause of a clunking noise while accelerating or decelerating is worn motor mounts. F6 - TUNE 2016 Cayman 'Always Sweet Dreams & Drives' Save Share. Dispersion in the channel 13 is not greater then 0,6mg. Jan 15, 2016 · 04 Cayenne Turbo, when i accelerate hard the right front is having loud knock noise, you can feel something is knocking with vibration. Your transmission is responsible for making your car move – it transfers the power from the engine to the wheels. When the bearings wear out, the rod knocks around causing the tickling sound. April 21, 2024 06:01 PM 25 minutes ago. To examine this, put your automobile. From my point of view, the noise is coming from the driverside. I can make it stop by letting off the gas. male fantasy art Belt issues usually cause noise when accelerating—but if your car is squeaking or squealing at slow speeds or while braking, it’s probably a problem with the brakes. Independent European shop owner and technician. Many of these products can cause some issues in the long term. 7 Lmtd 2004:thumbsup: Quad Squad member. If it's low, you can bias your decision toward bearings. The car runs beautifully no problems when shifting gears. If you hear a grinding noise coming from your car when accelerating, it could be due to a damaged CV joint or a faulty wheel bearing. Application: Downstream sensor (located after catalytic converter) Notes: Aftermarket part, Bank 1, sensor 2. Accelerating or braking doesn't do anything to the sound. I own a 03 Cayenne s recently noticed when I slow down to a traffic light or a roundabout I can hear a thumping clunking noise from the front of the car! But only after a 10-15 min. To be able to verify this, situate someone under the running motor automobile and accelerate to help them recognize the starting point of the hole. 5 Vehicle Shudder problem of the 2005 Porsche Cayenne. I also heard some clucking/grinding noises a few times that did not last very long then, my belt broke. An engine knocking while accelerating is a problem faced by many people in the course of driving. However, there are a few causes of knocking noises that are much mor. EgonEmerson September 5, 2019, 8:02pm 1. That is the only time it happens. Symptoms: Clunking or Banging Down Center of Car Under Acceleration. I notice a metal rattling noise coming from wheels. After years of having the electric-car market to himself, Elon Musk has competition just as h. Have a mechanic go over the car and make any required fixes. If it’s not, go ahead and start driving. Another noise that many come from your engine when driving is a knocking sound. There are more ways to stop this noise, but these are the most common. 0L Turbo: Service type Clunking or knocking noise from wheels Inspection: Estimate $94. 2019 base model has a light knocking sound when accelerating? Like if a diesel knocking sound. A cracked or broken case on the driveshaft housing. costco gas price dana point If your motor mounts are worn, they may not be able to properly support your engine, causing it to move around more than it should. 718, 911, Spyder, Carrera, Targa, Tiptronic, Porsche Speedster, Macan, Varioram, VarioCam, Boxster, Cayenne, Porsche Cayenne, …. It can get significantly worse while accelerating. Available in both SUV and Coupe body styles, both versions are distinguished by a 493 hp twin-turbo V8-engine, performance-focused suspension systems, a high degree of everyday usability. Here's a 1 min clip on Youtube: It's this background - "Tick,Tick,Tick,Tick" sound. Question: I have a Jeep Compass Sport 2019, 3k miles. Spark plugs are necessary for the burning air/fuel mixture to generate enough power for the engine to operate. It happens when going over bumps and literally sounds like something metallic bouncing around the back. the rear subframe and diff bushings. This sound is often most noticeable when the engine is at an even rpm–not accelerating or decelerating–and is often caused by a worn bearing or crankpin, misaligned connecting rod, or lack of oil. Also my car doesn't accelerate until it hits about 1. My car is making some weird noise when accelerating. All the Porsche motors can do this at some point in there life. Turn on the engine, turn off A/C (and any other systems like PCM radio etc. Whining sound when car is in gear Inspection. Noise: Driveline squeaking or grinding at any speed. This is the “least invasive” method of diagnosing engine knocking. Heres the issue: the engine makes a 'whoooooshing' sound when accelerating slightly hard, normal acceleration is fine - it sounds like a burst of wind no. Top and bottom control arms seem tight. This fairly common cause of a ticking sound can happen due to a blown gasket, loose or broken manifold bolts or studs, or even a cracked exhaust manifold. Car Service Estimate Shop/Dealer Price; 2020 Porsche 718 Cayman H4-2. Older Porsches with a 5-speed Tiptronic transmission can have intermittent issues manifesting as delayed and harsh gear changes in the initial phases. Common reasons for this to happen: Mass Airflow Sensor: The mass airflow sensor measures how much air is entering the engine and relays this information to the vehicle’s …. What is my air conditioner noise level? Ensure that the noise emitted does not go beyond the threshold or your neighbours may be irritated. ) and then re-accelerate lightly). Ticking Noise When Accelerating, Causes #2: Rod Knock. kermit the frog yay Malfunctioning timing advance unit. A faulty MAF sensor can cause all kinds of driveability issues: hesitation during acceleration. Wala, the knocking almost completely disappeared. Vehicle shudders and almost feels like the transmission is slipping. If your failing universal joints have gone beyond just causing noises, it will also cause the drive shaft to get loose and dislocated under the vehicle. The car only has around 10,000 miles. Is there a way to prevent it? Advertisement The problem you are describing. There are tons of background sound sites and apps, but most do the same things. I have eliminated the alternator. The car has a TECHART Package, the sports exhaust from factory and the software is changed so. Jul 18, 2018 · porsche cayenne unknown sound coming from the car. It doesn't seem to be present at idle. craigslist deforest wi If I do not press gas pedal on 2nd gear …. While the normal low level transmission whine has always been noticeable, in the past weeks the car has developed a marked new noise. 9PA, 9PA1 (Cayenne, Cayenne S, Cayenne Turbo, Cayenne Turbo S) (MY2003 - 2010) 9PA, 9PA1 (Cayenne, Cayenne S, Cayenne Turbo, Cayenne Turbo S) Minor Whine/noise When Accelerating Welcome to RennTech. I've listened to 8, all cold and most have a very slight knock on the drivers side of the engine. In fact, the clutch release bearings must be changed almost every 120 000 / 130 000km. On initial acceleration there is a grinding noise up to about 2,500 RPM. If knock is detected, the sensor will tell the management system of the engine to …. Does not make this noise when truck is in Park. According to many Tesla forums, people are complaining of an isolated noise, most typically a knock or a click, that occurs first when they accelerate beyond about 10-mph, and then sometimes the same noise when slowing back down to about the same level. Y Combinator offering a way for startups to make a bit more noise might make the implied equity cost of its program more attractive. Learn why cougar noises, namely the scream, are due to the solid hyoid. No Start - Steering Faulty - KESSY. Loud noise on Porsche Cayenne that occurs when you are accelerating can be symptomatic of different failures. This noise usually goes away after a few minutes. However, now the noise occurs more …. When the car starts moving on 1st gear, no noise. The knocking sound is caused by the pistons hitting the cylinder walls. Show example Porsche Cayenne Engine hesitates during acceleration Inspection prices. If you hear the noise, it's almost certainly internal engine issues. This is how you can fix clunking noises from your front wheel. Jan 11, 2024 · When your levels get low, they don’t lubricate the valves and metal pieces properly and they may make a rhythmic ticking or clicking sound as you accelerate. Usually, this happens due to worn-out spark plugs. When you smell exhaust from your engine compartment and hear ticking, it’s likely caused by a leak. I know the car has electric cooling fan but it sounds like a bad fan clutch on an old car. Here are some components that can the rattling noise: A loose or broken pipe connection. You will need to determine if this noise shows up abruptly and if it can stop as it started. 4 seconds and boasted a top speed of 165mph, diesels, making the Cayenne's unleaded. Finally, when you experience a suspension noise when your Porsche Macan passes over a speed bumps, it is imaginable that the hinges or the stabilizer bar are responsible. The 2025 Porsche Cayenne GTS is the latest addition to the restyled Cayenne lineup, and it brings a mightier 493-hp twin-turbo 4. Noise-wise like a fine grinding, or when you stand in front of a belt drive. Loose or worn brake pads can cause squealing, scraping, or grinding noises during driving. It isn't constant but maybe a few "knocks" then stops when my speed gets higher. Loud noise Porsche Cayenne when accelerating. Loose or worn-out belts, such as the serpentine belt or timing belt, can create a loud squealing noise when accelerating. Porsche Cayman Forum Boxster 911 Cayenne Panamera Macan Discussion powered by Porsche Enthusiasts Planet Wide! …. It's kind of a wah-wah-wah-wah or wuh-wuh-wuh-wuh noise that gets faster the faster I'm going. A friend has an '04 Cayenne Turbo which I've driven and it exhibits the exact feeling as my S. Generally, a squeaky noise during start up is a sure sign of a worn or cracked serpentine belt. Worn serpentine belts will cause your car engine to sound loud during acceleration. i have Mar 23, 2016 — BUYING USED: PORSCHE CAYENNE (2003 – 2010) cut getaway acceleration to 5. When I slow down to a stop, it also seems to be triggered. dermatologist that accept molina medicaid remote jobs weekend Similar to water pumps, transmission gears can cause noise when decelerating. 2011 Porsche Cayenne Twin-Turbo (white and black), 2009 Boxster 2. It does this when I turn the wheel either way. craigslist tag sales near me If you don't have an impact wrench, I recommend putting the parking brake on and even having a helper press the brakes when attempting to loosen the bolts. Price is without COE but includes a 5-year free maintenance and warranty package, registration fee, estimated ARF. 2 seconds and a top speed of 171. If your Land Rover Discovery Sport generates a loud noise when you accelerate, it is quite plausible that the alternator belt is the reason of your problem. this sounds like the brake pads may be touching the disc every so slightly or the wheel bearing is worn on that side and allowing the wheel /disc to rock over and then touch the pads. Formed in January 1939, Ninnescah Rural Electric Cooperative, Inc. 2015 Porsche Cayenne $69,000* Excl. Just noticed as I slowly accelerate in 4 to 5 gear and engine is low RPM that I got a judder in the transmission. 6 making whining noise in the engine compartment driver side. I'm experiencing ticking noises from around the engine area when I release the throttle and just cruising. It happens only when i reaccelarate after using brake. Check the oil level and make sure it is full. At about 18000 miles it developed a clunking noise in the drive train when upshifting from 2nd to 3rd gear and when downshifting from 3rd to 2nd. Porsche Boxster CV Joints and Boot / Axle Replacement - 986 / 987 (1997-08) - Pelican Parts Technical Article. customer states thumping /jerking felt when accelerating transfer box binding produced and set val, recleared errors memory entries, replaced transfer box and retrofitted ventillation line. It may also be caused by a low engine …. Hearing a grinding noise when you apply your brakes is really like hitting a rumble strip on the edge of the highway; if you hear this, you need to wake up and stop driving! A grinding noise on braking is usually caused by a lack of brake pad material; the pads and rotors are now metal to metal, with no braking material …. I added a little bit a oil again, knocking almost disappeared again completely (what I mean by almost is that it was knock once to three times total on a hard acceleration from gears 1-3/4; as opposed to like 1/sec or 2/sec knocking in each gear). hoteltech thermostat override Took it to the dealer last Friday and it turned out to be a loose emergency brake cable rubbing against the drive shaft. May 23, 2019 · At last, if you encounter a noise when accelerating with your Porsche Macan and this noise which could be a cliking sound tends to reduce when you disengage (press the clutch pedal), then one of the wear parts of your clutch system may be the reason. pdf then we hit another slow speed works zone and when accelerating out of it, …. At first it sounded like plastic rubbing on a tire, but I have searched high and low and do not see anything rubbing anywhere. This can mean that there is a window down or a door that did not lock. be/sExvO7BCVGcSupport us on Patreon if you like: http://www. As soon as I switch to Sport or Sport+ and the suspension stiffens the sound stops. The following are some of the most common explanations: 1. Porsche Cayenne Turbo at Autumn - startup, acceleration, sound. I know it is not the drive shaft. I've seen some others posting online about this issue from the past with other Audis, but no one ever got to the bottom …. You can only hear it once it drops to a low idle. Porsche Cayman Forum Boxster 911 Cayenne Panamera Macan Discussion powered by Porsche Enthusiasts. The exhaust system manages gases from the combustion cycle and muffles the noise your engine makes. Failure of the catalytic converter. If the sound was not present before changing the tires over to the snow …. A rod bearing makes more noise at the oil pan than elsewhere, and a wrist pin more racket up on the water jacket. It is quite common to hear a noise of this nature, when a transmission's fluid level is reduced beyond capacity, or when a transmission fluid pump begins to fail. It will gain pace with the speed of the car. 9L PDK w/mild mods Noise is there only when the engine is running, but does not need to be moving, in gear etc. wanted to get some opinions before bringing to dealership. Is that you have one of your air intake hoses that has been punctured or cracked. It is a certified porsche, so I took it to the dealership. Download this free "Accelerating Porsche Cayenne, exhaust sound. I have kept up on the maintenance and just changed the oil, fuel filter, transmission cooler lines and …. Porsche Cayenne – (Gabo_Arts / Shutterstock) The most common symptoms of a bad wheel bearing in Porsche Cayenne are grinding or humming noise, knocking or clunking noise when cornering, shaking steering wheel, body vibration, uneven or abnormal tire wear, play in wheel, and vehicle pulls to one side when driving in a straight line. After the fix there is only a few inches of movement to fully engage the brake. initially, the engine light didn't go on. Engine isnt losing power, turbo is pulling, no RPM loss or drop. Good day, I have a 2010 Porsche Cayenne 51000 miles with a Loud noise from undercarriage below arm rest. Some can tell by the speed and location of the tick. The engine knock sound changes the revving sound of the motorcycle, where you will hear that untimely/uneven explosion of air/fuel mixture (engine knock sound) when your motorcycle is …. When stopped for a traffic light and transmission is in 1, whine audible, when you proceed after the light, the whining audible to gear 4. vw baja kits Though effective at breaking down harmful emissions when working correctly, these bricks tend to break …. Indices Commodities Currencies Stocks. 9PA, 9PA1 (Cayenne, Cayenne S, Cayenne Turbo, Cayenne Turbo S) 2006 Cayenne Turbo - Strange tapping/knocking sound from Front Drivetr Welcome to RennTech. Some Porsche models have an alarm setting where the system will beep if there is a fault in the alarm system. While these noises may be a symptom of some different issues, all are usually related to a suspension …. Noise quits when i let off throttle. It’s a nod to the black horse—originally from the Stuttgart coat of arms—rearing up in the middle of Porsche’s brand logo, which has been unchanged since 1952. A loose U-joint or bad center bearing within the driveshaft may cause the faltering acceleration. 49: 2020 Porsche 718 Cayman H4-2. Noise from a single lifter will be at 1/2 engine rpm, coming from the top of the engine. If your car is rated for premium fuel, and you are using regular, then you may hear a rattling sound from your …. The fix (directly from the dealership paperwork. It seems to happen when turning and accelerating but does not seem to happen every time even when I turn all the way in one direction and make a full circle. When this system is compromised, you get loud engine sounds. The most common reasons for there to be high-pitched noises coming from under the hood/bonnet of your Porsche Cayenne are having a belt slip (drives accessories like air conditioning, power steering etc) or having a vacuum leak from your air intake hoses being worn or cracked (most common noise when accelerating). I took it on a road trip in July and did over 6000kms pulling my 19ft travel trailer. [4] Other symptoms: Lit "Check Engine" light, sluggish engine, and burning smells. But when it is warm, not cold, I get a mild knocking sound when at the lower RPM range. Noise: Clicking while decelerating from 20 miles per hour to a complete stop. com/autogefuehlOur FULL REVIEWS from 2015: https:/. When i drive my 2004 porsche cayenne turbo then somethimes i hear a clicking noise comming from my gearbox and. I first suspected the water pump, so removed the accessory belt and the noise remained, so it can't be anything driven off the belt. Also please check out the statistics and reliability analysis of Porsche Cayenne based …. Any ideas or just another noisy commonplace 4Runner thing haha. In order for your engine to run smoothly, it requires a precise balance of air and fuel in the combustion chamber. Asked by emz1 in Waipahu, HI on May 14, 2013. And tried this morning the accreditation is fine again. 7 – Misfiring Fuel Injectors in the Engine; 2 How To Fix the Clicking Noise When Stepping on Gas? 2. It refers to the knocking or pinging sound that occurs when you press down on the accelerator pedal. One of the other probable origins of symptoms of the front axle of your Porsche Cayenne, may be that one of your rollings is tired, it will tend to make a thumping noise that raises when it is under stress (turns faster and faster). 1 Car Engine Knocking When Accelerating. This noise is more noticeable on acceleration because the engine is working harder, making the noise louder. The whining noise from the speakers when accelerating can be caused by several factors, including: 1. ly/2wnw0mw Insta @blogcarspassionSocial Links :Blog : www. Pop the hood on the car and have someone rev the engine while you look at the engine for any extreme amount of motion to the engine. Interesting, this just happened to me for the first time today. 0 Detonating/Knocking While AcceleratingHelp! My Jeep runs great thankfully but I have noticed that I am getting a slight detonation/knocking sound when accelerating. After I accelerate it to, let's say, 40 MPH, and release the. Hello Everyone! I'm new to this forum,i've just bought a Cayenne GTS,been using it for about 1 month now,the drive is good. You can hear a ticking noise when a tie rod end is worn or loose. Regular maintenance will keep your vehicle running properly for years to come. san clemente police activity today Apparently, the knocking noise can be more noticeable when you are running the engine under a heavy load. The first and obvious cause of a clunking sound when turning is a CV joint failure. The most common reason for your Porsche 911 to have a knocking noise/sound coming from under your car is worn brake pads. VIN: WP1************** Mileage: 70,000 - 80,000 miles. Noticed a kind of thumping sound when accelerating, usually appearing at 3k rpms.