When you step on the gas, the engine bogs down or takes a second to respond. EX:an incline on a highway. Since then I can hear a hissing sound when accelerating? It's loud enough to hear it from inside the car with windows done up, from inside the car it's coming from passenger side of engine I haven't taken the manifold back off yet but do need to, any ideas?. If the noise still persists, then the problem lies somewhere in the drivetrain or transmission. Car in question is a 2007 Nissan Altima 2. Engine hesitation, almost by definition, usually goes back to a misfire in one or more of the cylinders. It seems to be related to the boost level: more boost causes more air leak sounds. The strange hissing noise coming from the engine wasn't quite what the mechanics expected when they looked under the bonnet of a Skoda. I haven't noticed the sound at around 30mph but when accelerating from 70mph to 75mph the car makes that sound 100% of the time. If your engine is running rough you can also spray "brake cleaner" on the engine, when it starts running smoother you know your getting closer to the vacuum hose that may be cracked or disconnected. Could anyone please describe the normal sounds you hear specifically when accelerating / decelerating / braking in L? (Apologies for crossposting but think. The buzzing sound is deep but buzzy (throaty?) sounding now. And as for the sound as I'm accelerating, the intake would explain everything hahah I can't believe I never thought about that. Hissing or bubbling: A serious refrigerant leak can produce hissing noises in the compressor. I had a leaky EGR Valve so he tells me thats probably whats making my car act like this. 7 hours ago, MalcolmW said: Other issues so far, was a bad crackling sound coming from centre console, like an electri. I assumed it was normal -just the air being forced out of the strut when it is compressed going over a bump. When i press the gas it makes a hissing sound like a fluttering almost only when i hit the gas. I have already checked the air cleaner box and it is secured and put together properly. Not sure how best to describe the noise, but a kind of spurt of air sound. There is a little hesitation while I hear the hissI can get rid of the hiss by juicing the throttlethen the car takes off. *TT: Bulletin Number: 11755: S. I've went on youtube and watched several videos of MK-V's and don't hear the hissing I'm referring to on those cars. The car is performing ok otherwise, still has plenty of power, fuel consumption is the same. When the engine note changes you know you've found it. Any noise that wasn't there before but is there now is a problem. The noise may be there constantly, or you may only hear it when you press the gas pedal. car makes an airy hissing noise when accelerating. I have a 2007 2. Best Answer: this is usually a vacume leak of some kind, open the hood there are black hoses the thickness of a thick pencil , they connect to different parts of the car, for emissions to the fuel injection, you need to check these hoses for a loose one, or a broken one, if someone replaced an air filter recently,. The exhaust pressure will rise and the small gape steel corrosion in you clam will make noise. noise is loudest when touching the timing cover with the stethoscope disassembly would be required to confirm and to repair the problem. My car when i start it up is making this hissing noise the sound i can describe it best as if a tyre is losing air- but its not the tyre, the noise is coming from the engine. I have started to notice a rumbling and groaning sound from the front of the car. I'm thinking the noise. Hissing Noise when Idling. The hissing sound is caused by equalizing pressure. The gurgling sound is typically associated with boiling water and a sizzling sound, similar to that of hot bacon being fried on a griddle. These two separate sides of the system are necessary for proper operation. a) The car is brand new with only 15 miles on the clock, I have noticed a slight hissing sound when accelerating and then letting off the gas, seems to be coming from the front of the car, almost sounds like its coming through the speakers, doesnt sound quite right but Im not sure, any ideas?. When driving,I accelerated and an obvious hissing noise started under engine/transmission. Common Engine Noises When Accelerating. I tried the turntable, radio and CD player. The service tech said it was the cooling system, which makes sense, but it does sound like a speaker. Knocking from the engine compartment. It appears to be coming from the front wheel area driver side. The first sign is noises when you turn. Reader Question: Good day to you sir, I have two vehicles a 1997 Dodge Ram Extra Cab pickup 5. I get the hissing as well, but only when it's really hot, which is every afternoon here in Central FL. I can also kind of hear it when I'm driving at higher speeds. For the responsible car owner, the very first sign that there may be a problem with the car is not necessarily the visible cues but rather any change in the way that a car sounds. Just a different design. True, unfortunately my warranty and repairs are all done through the KIA dealership that I bought from and they don't have an opening until then, but I am keeping the use right down as much as I can, thanks for the advice. com Although this hissing noise, sounds like a bad noise, it’s actually a good air conditioning noise. Only makes noise when the accelerator pedal is pressed and stops while coasting. Left alone, things like this can come back to haunt you when that little sound turns into a big system failure and leaves you stranded on the side of the road. My car engine hesitates when I accelerate! by zilog357 · Published July 9, 2010 · Updated February 18, 2019 S ometimes we experience an annoying hesitation or stalling when we are cruising in our cars and decide to accelerate either slightly or harder. Fixing AM/FM Car Radio Static If you only hear the static when listening to the radio , and not when listening to CDs or any auxiliary audio sources, then the problem is either with the. He thinks the noise is a leak from the inter-cooler without looking at it. Car seems to drive/sound normally when it is moving in gear. AC now blows ICE COLD. I have a 2014 Sorento and now that the temperature has dropped below zero the car will not start first thing in the morning jump in hit the brake pedal push to start button lights come on and nothing no sound try it again brakes are solid no go on the third try so then start once driving no problem restarting throughout the day as long as we're above 30 degrees no problems last year. I can't hear the noise with the windows up. Hello! I think i'm having a problem with my car's alternator. The service tech said it was the cooling system, which makes sense, but it does sound like a speaker. The problem may occur when the engine is hot or cold or when you are low on fuel. Car: Renault Clio:. hey guys, the buzzing sound is getting louder now. While we hope none of these noises become a common occurrence for your car, we put together a list of noises that usually result in drivers stopping by our service center. they were at right pressure. First noticed the when reversing the car a few weeks ago but is now noticeable in first, second & third gears (probably does it in fourth & fifth but I wouldn't be able to hear it). Detonation, Pre-ignition (Pinging) Noise You usually hear this noise when accelerating the vehicle. The exhaust pressure will rise and the small gape steel corrosion in you clam will make noise. I can only hear it when I need more power from 60mph. Just recently I began to hear this weird hissing sound coming from some where in the front or under mid of the car. When I got it back from the shop (Aamco), I noticed the steering wheel was squeaking and there is a hissing sound when accelerating. I did not get to spend a lot of time with the car as we had a beautiful weekend here and I wanted to spend it doing other outside projects. The booster uses a rubber diaphragm and a push rod. I am driving the car as I normally do but there feels like there is a lot power. Q: I own an older vehicle with higher mileage. When I got out of it I could hear a fairly loud hissing sound coming from under the hood on the passenger side. It doesnt hiss when i brake just accelerate. When one or more cylinders stops firing, the power cuts, and the vehicle hesitates under acceleration. Re: Hissing noise when accelerating ? yeah the leaky manifold could be the problem I have also had the hissing noise come from faulty vaccum lines. Common Engine Noises When Accelerating. This happens in all gears of the car (automatic). The noise can be heard when driving and making a turn. I am having that problem with my 2014 GC. I just heard a very loud startling pop inside while driving my car through the neighborhood. It also carries on for a few seconds after the engine has been turned off. 8 sri 0708 noise when accelerating, my vauxhall zafira is making a hissing noise when you rev the wngine, vouxell estate hissing noice, vauxhall. Is that grinding sound from my AC a warning sign? Strange noises are one of the ways you can tell if your air conditioner is encountering trouble. Hi I bought a 2003 Renault Mégane 1. hi all,i wonder if anyone can give me some insight on a problem i have just noticed on my freelander td4 2002,whilst accelerating at 70-85 mph the other day the power dropped off to about 60 then 50 so i dropped the box to 4th accelerated hard and it gradually made its way back up to 70 mph,the car performs perfect around town ,now it,s developed another problem,if when i accelerate hard[screw. I took my 2003 Pilot on a week-end trip recently and noticed that when I accelerate from 60mph and up there is this humming sound that sounds like it's coming from the cluster. I have a 2003 Dodge Neon SE 4 door sedan with 2. The noise may be there constantly, or you may only hear it when you press the gas pedal. I took my car back to my mechanic and had him hook it up to a smoke machine to check for vaccum leaks. The most common noise is growling noise which is often due to low power steering fluid. It makes noise when i accelerate, but even more noise when i take my foot off of the gas after the acceleration, but is usually quiet when the car is at a stop. Here are a few general guidelines to what your car's noises might mean: BANG: A sharp, startling sound, like a rifle shot, means you're dealing with the dreaded backfire. Hissing Noise when Idling. vectra hissing sound on acceleration, 3. When I drive it, the sound is noticeable at 1400 - 2200 rpm when I accelerate from stop or from low speed. And as for the sound as I'm accelerating, the intake would explain everything hahah I can't believe I never thought about that. I went under truck,but could not pinpoint the source of the hissing. The hissing noise from the check valve comes from the passenger foot well. Within the first half-hour (when the engine warms up), the sound. any insight on this?. I dunno if this is causing a miss fire/hesitation when accelerating. When it is cold in the morning, the car is idle with around 1400 rpm at first and the noise sounds like coming out from the back of the engine. My car when i start it up is making this hissing noise the sound i can describe it best as if a tyre is losing air- but its not the tyre, the noise is coming from the engine. This usually happens between 1750rpm and 2500rpm. Hi friends, Some back ground on my car - It's a 2012 Cruze 2LT with 140,000 miles. Troubleshooting Strange Sounds Coming from Your Automobile. When I removed the extension cord the hissing was gone. Hearing a hissing noise from under your car's hood when making a turn may indicate a mechanic problem. Anyways, fixing this all you need is electric tape, scissors, and 5 minutes. I mentioned this in another thread as well but it may be relevant. - posted in Maintenance & Repairs: Hi guys! I am driving a 07 Latio. Your car makes a loud, abnormal sound: A hole in the muffler is probably the cause. I recently bought a Cert-Pre-owned 05 Accord with a Vtec and auto-tranny. Moreover, it may also signify an underlying problem, waiting to get out of control. car started to loose power. The sound is much more noticable if you have an intake like 2004SMT's, an AEM, Injen, etc with an exposed filter. Weird squealing/hissing noise from the back Lately, I've been getting a weird squealing/hissing noise from the back side of the car while driving. I have started to notice a rumbling and groaning sound from the front of the car. The car seems to drive just fine, but over the last week or so, I've noticed that when I accelerate, I can hear a fairly faint high-pitched whine coming from somewhere towards the front of the car. Hi Guys, I have an old Nissan Micra k reg. Hi friends, Some back ground on my car - It's a 2012 Cruze 2LT with 140,000 miles. A couple weeks ago there was a hissing sound coming from the car when I accelerated to around 40. Sounds like it is coming from the front but not sure. Seems to be coming from the front of the vehicle. It creates a hissing noise that sounds exactly like when your engine starts overheating. Hi team, I posted about the 9-speed rattle noise on acceleration back in 2017. With acceleration the frequency of vibration of number plate increases and thus the sound increases. I don't hear it at idle or cruise or even normal acceleration. If you find it hard to discern where the noise is coming from, it probably means it's right underneath the vehicle and the sound is reflected from the road surface. The noise is only present when the headlights are turned on. while lightly accelerating, there is a loud hiss with a bit of a metallic sound to it. an easy way to check is by putting your or someone else's ear down near the gear stick while going along and then accelerateif it is coming from there then id say you would have the same problemif you cant clearly hear it coming through there then it'll be something else. I was accelerating (hard) from a light last night and as I hit higher RPMs (just before the trans shifted) I heard a slight pop like a hose coming loose. System holds vacuum for 15 minute test indicating no major leaks, Dye and 1. My car makes a hissing noise when I accelerate? What could it be. A loud blowing sound could be nothing, but a constant roar could be a problem. Re: hissing sound when accelerating I don't understand it, I hear nothing while sitting there but when I am driving and load is on the car is when it hisses, and if it hisses when I let off the gas it barely does mostly goes away after I let it go or completely, its hard to hear over the awkward sound of the exhaust when I am letting off the. If the noise goes away, then it may be the engine or clutch assembly that is causing the problem. I put this down to the noise of the clutch slipping or the turbo spinning when the revs shoot up. A variety of noises can be produced by one of these components in different driving situations, from acceleration to deceleration to steady-state motoring. It does not seem to be affected by the routing of airflow, the speed of the fan, or whether the A/C is bringing in fresh air or recycling the air in the car. The sound only shows up while accelerating under load. I also noticed that when it's doing it around 45MPH I can make the noise get very loud by giving the truck just a little touch of acceleration. Vacuum leaks often produce an audible hissing noise created by air being drawn through the failed hose. But I will tell you that on my 09 Enclave, both the front and rear evaporators had to be replaced as they both developed leaks. Thank you, I really appreciate it. Hearing Good AC Noises. The car runs OK, but there is a ticking or light clacking type noise coming from under the valve cover. If you hear a popping sound while driving at low speeds and when making sharp turns, a worn rear differential may be the cause. 0 cdti vauxhall. The hissing you can hear is perfectly normal. If your car makes a humming noise when accelerating, it could be an issue with a. Drove for a further hour and a half, and hear a bang under car. Ford mondeo exhibiting a "common" hissing noise with the engine running. These are some of the many different warning sounds that will let you know it is time to take your car in for a tune up. Tried to "feel" for air pressure coming out. Since then I can hear a hissing sound when accelerating? It's loud enough to hear it from inside the car with windows done up, from inside the car it's coming from passenger side of engine I haven't taken the manifold back off yet but do need to, any ideas?. The noise starts at about 2000 RPM and just gets louder from there. I'm thinking the noise. This usually happens between 1750rpm and 2500rpm. Thank you, I really appreciate it. A couple weeks ago there was a hissing sound coming from the car when I accelerated to around 40. A loud blowing sound could be nothing, but a constant roar could be a problem. Could be turbo pipe loose/offoff: Loss of power - felt best when driving up hill - smoke when driving on motorways, hissing noise, increased fuel consumtion. It's definitely a vacuum leak. Why does my car make a hissing sound while accelerating?. I put this down to the noise of the clutch slipping or the turbo spinning when the revs shoot up. So, I came to realize since I owned the car I never really ran the AC or defrost (due to the leaky core). Though your car is new(sh), a crack can develop on the rubber intake hose and cause a whistling sound on acceleration. Ground loops occur when two components are grounded in locations with different ground. Its not very loud, probably around the same as the engine itself. When a vacuum leak is present in an engine, this causes an excessive imbalance in the air/fuel ratio which creates a loss of power and causes the motor to run at a much higher RPM as a result. Usually the noise will change with the speed of the vehicle, and it may come and go at various speeds. When you press the brake pedal, your car should slow to a stop with no noise or shaking. Acceleration is also very poor with the revs reaching around 5000. Hi everyone, For about a month or so ive been experiencing juddering from my 407 2. Hey guys, today I noticed my car making a hissing noise when I accelerate inthe lower rpm area. Q: Car is making a hissing noise during acceleration. The harder I accelerate, the louder the noise. What is that wind noise on my Subaru and how can I make it stop! One of the typical things that will happen to your Subaru is over time you will hear an increased amount of wind type noise coming into the cabin area of the car especially at freeway speeds. Explorer, Sport Trac, Mountaineer & Aviator - Hissing sound when accelerating - 2008 sport trac, started hissing when accelerating this morning. 0d sport, 2005. It happens before and after warmed up, and independant of outside temp. To narrow the possible causes. As with any out-of-the-ordinary sound emanating from your car or truck engine, hissing should be investigated ASAP. After taking it to 3 mechanics, diagnosis was trany pump was going out and i needed new transmission. Hey Fellas, When I am in sport mode, I get a really loud hissing noise upon acceleration. The hissing noise from the check valve comes from the passenger foot well. It can break your peaceful penance at the steering wheel. This happens in all gears of the car (automatic). This is what usually causes the hissing you describe. Why does my car make a hissing sound while accelerating? I have 2002 chevy silverado 1500 163500 miles When i am accelerating it makes this weird hissing noise. Jack the car up, take the wheel off and try spinning the hub by hand. I hear a faint hissing noise when I accelerate (usually higher rpms). If I let up off the throttle, it goes away immediately. Does the clunk happen on acceleration, especially over uneven pavement? I had that issue, but an update cured it late last year. In fact, because they’re so common, you probably don’t even notice most of the noises your car makes. Which could Be caused by a leaking master down into the booster. I mean, knock or ping is not THAT loud. This sound is related to the brake pedal for sure. no power loss,no warning lights,no shifting problems. Just bought a 2001 audi a3 1. Yes, you have a N52 but the principle is the same and I think yours is rubber also. Moreover, it may also signify an underlying problem, waiting to get out of control. 1997 Dodge Ram Truck A/C Stops Blowing When I Accelerate. 7 hours ago, MalcolmW said: Other issues so far, was a bad crackling sound coming from centre console, like an electri. I have this problem with my 1. Hissing Noise when Idling. It is most noticeable at speeds under 15 mph and when making turns and accelerating. Any advice?. The sound is a bit hard to describe, but I would compare it the sound of large volumes of sand being "dumped" that grainy sliding sand sound. Either you do not have enough fuel in your vehicle or you do not have enough power. My hunch is the hissing isn't related to A/C, though I did turn the car on and ran the A/C for 2 mins, it didn't seem to get cold at all. This isn't a hissing noise coming from a belt, it sounds more airy. The 2016 Kia Sedona has 1 problems reported for cracking noise when accelerating. My car has an automatic transmission. These are some of the many different warning sounds that will let you know it is time to take your car in for a tune up. noise is loudest when touching the timing cover with the stethoscope disassembly would be required to confirm and to repair the problem. Mine has an AEM CAI, minor exhaust mods (removed huge resonator and put 2. I have had manifold leaks, collector leaks and flex joint leaks, and I wouldn't describe any of them as a 'hissing' sound. Hi team, I posted about the 9-speed rattle noise on acceleration back in 2017. The sensation felt like it was somewhere in the back. Although this hissing noise does sound like a bad noise it is actually a good air conditioning noise. 7 hours ago, MalcolmW said: Other issues so far, was a bad crackling sound coming from centre console, like an electri. Pay attention to the sound your car is making, and where it is coming from. It doesn't sound good at all. Hissing-sound like breathing in your left ear what is it and what. 2 s wagon makes little noise at acceleration,. Put your finger over the valve and you should feel a strong vacuum. when i start the engine i hear a hissing sound on the left side where the alternator is. The IAC won't cause the car to not accelerate well, nor will it cause a hissing noise under acceleration (as there is less manifold vacuum with the throttle open then closed). The noise can be heard when driving and making a turn. I am driving the car as I normally do but there feels like there is a lot power. Sounds of Tesla Vehicles. Hi i have 02 audi a4 slimline. I've always heard a hissing sound coming from the dash, but I swear it sounds more prominent now. 13 minutes ago, MalcolmW said: My PDI stamp in the service book was April 2019 Lucky you, your car must have been built before the changes to the specifications were implemented. As long as you've been paying attention, nobody knows how your engine sounds better than you do, so if it starts to sound odd or even just a little different, there could be a problem. Nissan just makes crappy belts. But when the engine warms up, the sound decreases or disappears. The hissing is related to the RPM of the car but i am still sure it is not a standard turbo noise. Either you do not have enough fuel in your vehicle or you do not have enough power. In simple terms acceleration of your car is the rate at which you increase its speed in a. A full tune up service with the auto repair technicians at either of Paul Campanella's two car repair shops in Wilmington, DE can check and replenish all of your vehicle's fluids. And now it's at the point at when I accelerate at any time I hear hissing. From the sound of your tires gripping the pavement to the revving of your engine when you accelerate (unless you drive an electric car), most of these noises indicate a perfectly functioning vehicle. Car: Renault Clio:. Every time I accelerate I get a hissing or blowing sound coming from what seems to be the rear of the car! I can never verify exactly where it comes from as it ONLY happens when accelerating. Hissing, gurgling, or sizzling. The only difference in sound, though very slight, was from the first cat on the. 0 cdti vauxhall. At first I thought it could be a belt or something, or even inside the engine (dry ball bearings or something) but if I take it easy on the throttle, the noise goes away so I'm thinking it could be something of the throttle body. It doesn't occur when in low rpm or normal driving but definitely when I accelerate more than normal. These belts should have about half […]. This isn't a hissing noise coming from a belt, it sounds more airy. I didn't notice any noises immediately after the repair. With acceleration the frequency of vibration of number plate increases and thus the sound increases. It went away when foot was off the pedal. I have a 2004 Chevy silverado 1500 with a 5. Any comments would be appreciated. Don't replace car parts based on sound alone. I've went on youtube and watched several videos of MK-V's and don't hear the hissing I'm referring to on those cars. You can usually hear a boost leak if you open the hood, and have someone rev the car a bit, don't over do it. The hissing sound is caused by equalizing pressure. This usually happens between 1750rpm and 2500rpm. The cold weather could have hardened the seals. Rubbing/hissing noise 1 Answer -Noise occurs when accelerating from a stopped position, only when accelerating, never when braking or idle. Average failure mileage is 5,000 miles. For the last couple weeks I've been noticing that when I accelerate hard I hear a hissing noise like a big air leak coming through the firewall/dashboard. Hieeeee! - Hissing sound when accelerating. These belts should have about half […]. If the hissing sound only happens when depressing the brake pedal. The 2016 Kia Sedona has 1 problems reported for cracking noise when accelerating. Tire & Aerodynamic Interference Noise; Full Sound Library; Submit a Sound; Disclaimer & Credits; There is a month for this!. Fixing AM/FM Car Radio Static If you only hear the static when listening to the radio , and not when listening to CDs or any auxiliary audio sources, then the problem is either with the. Re: hissing sound when accelerating I don't understand it, I hear nothing while sitting there but when I am driving and load is on the car is when it hisses, and if it hisses when I let off the gas it barely does mostly goes away after I let it go or completely, its hard to hear over the awkward sound of the exhaust when I am letting off the. A loud, blowing or high pitched chirping sound in the summer is perfectly normal. I have a sounds on acceleration through 1st and 2nd gear that sounds almost like air sucking in somewhere. Seems like it is in between the pulleys and the firewall. its a 1998 camry 3. hey guys, the buzzing sound is getting louder now. 5t has just started to make a hissing noise that appears to be coming from the drivers footwell. I purchased the car about 6 months ago, and a few months after that noticed a slight whining noise coming from the engine. Re: Hesitation and slight popping during acceleration? Why? i have the same problem. When one or more cylinders stops firing, the power cuts, and the vehicle hesitates under acceleration. Here's a link to hear the hissing sound I'm referring to (listen closely. Honda Civic: Why is My Car Whining When I Press the Gas Pedal? This article will go over the four potential reasons behind that whining sound. 3 made a sound in cold weather when accelerating that sounded like you had a cardboard box being dragged by the undercarraige. The hesitation was accompanied by kind of a high pitch hissing noise. Odometer is showing about 233, 800 miles. Almost sounds like ford snuck a small turbo insidelol Let me hear your thoughts! Thanks! EDIT: I should probably mention that its a 2014 SCREW w/ 34k miles. A friend borrowed car to help him move house, i am guessing he drove with the windows down. The simple rush of air forced through by the fan could result in a hissing sound because the ducts are excellent for carrying sound. You may have a lose part for example. If you can hear the sound while the car is parked, you can use a length of hose to locate it. Hi i have 02 audi a4 slimline. AC now blows ICE COLD. You are probably familiar with the sounds your AC makes during normal operation, so when something like a grinding noise starts, it will stand out—as it should. The hissing sound from accelerating is derived from the air pressure within the vacuum (not sure of exact details that go on within the vacuum). this mainly depends on the age of the vehicle and the amount of use the vehicle goes through. If there's a hissing sound coming from under your bonnet while your car's idling, your engine might be overheating, which can be a serious problem. I used the Trans Medic stuff in my old Festiva, which wasn't shifting properly. Vehicle makes no noise in the morning. I just noticed as I was driving my car tonight that when I accelerate that there's a faint rattling noise. The hesitation was accompanied by kind of a high pitch hissing noise. I'm guessing it has something to do with the transmission. 0 cdti vauxhall. 0 tdci on a 07 plate covered 26k, i have noticed reciently a hissing noise when accelerating, nothing very loud but noticable and was not there before, i can also hear it when i turn off the engine then after a few seconds or so it dies down and stops. Mine has an AEM CAI, minor exhaust mods (removed huge resonator and put 2. I've always heard a hissing sound coming from the dash, but I swear it sounds more prominent now. The booster uses a rubber diaphragm and a push rod. The hissing sound from accelerating is derived from the air pressure within the vacuum (not sure of exact details that go on within the vacuum). I have a sounds on acceleration through 1st and 2nd gear that sounds almost like air sucking in somewhere. The sound is a bit hard to describe, but I would compare it the sound of large volumes of sand being "dumped" that grainy sliding sand sound. Ive checked the tyres. The noise is simply a vibration that can be more felt than heard coming from the front disc pads due to slower stops you don't have the brakes applied fully which allows them to vibrate against the rotor surface. There is a little hesitation while I hear the hissI can get rid of the hiss by juicing the throttlethen the car takes off. 3 made a sound in cold weather when accelerating that sounded like you had a cardboard box being dragged by the undercarraige. It's definitely a vacuum leak. Your question: "Ok I have a Nissan Altima 2003 2. Buzzing Noise After Turning Car Off. 9 cdti, opel vectra 2. If you hear a hissing noise from the brake pedal area, it means that the brake booster is failing. The car's engine/motor winding can be another reason for car jerking. It is not really a hissing noise, but more of a whine/hiss/growl, not real loud, but enough you notice it. Your dealer will need to run a leak test on all the connections, hoses, and both evaporators to determine where the leak is. We were driving home (my daughter was driving) about 45mph, and the car made a whinning noise then the rpms were going up and down, then when she pushed on the gas the car did not accelerate. So many car problems start underneath the hood. The hissing only occurs when I accelerate. High idle speeds or in some cases rough idle and stalling are also signs of a vacuum leak. I have a Renault Megane II Shake It 1. I went under truck,but could not pinpoint the source of the hissing. Hissing on acceleration , hissing noise from car engine vauxhall, whooshing noise when accelerating insignia, my vauxhall insignia is hissing when i turn engine off, vectra loud hissing. I'd never noticed this before - does everyone else have this? Is this some sort of normal turbo noise? The second is a gentle hissing, buzzing sound that also occurs during acceleration. 2004 PD Hissing Sound on Acceleration Yesterday afternoon while driving to lunch, my car suddenly started making a hissing or whooshing noise on acceleration. The Five Overlooked Car Maintenance Items How Preventative Maintenance Can Help You Avoid Catastrophic Repair Costs. I only hear it when I'm driving, and not when the car is stationary in neutral. Fixing AM/FM Car Radio Static If you only hear the static when listening to the radio , and not when listening to CDs or any auxiliary audio sources, then the problem is either with the. 8 TDCi Sport (2006 plate), yesterday I heard a hissing sound coming from the drivers side of the engine. Spray Carb cleaner around the area the noise is coming from to locate the leak precisely. Hi This question may have been answered before, as found some threads concerning it on the a4 forum but nothing on the a3 forum. -Noise occurs only when car is in gear (hitting the gas pedal in park does not cause the. I have had the car about 5months now and havent noticed any significant turbo noise, until now. The hissing sounds loudest by the rear wheels But it is definitely not the tires, it sounds like it's coming from underneath the car but where the wheels are. This usually happens between 1750rpm and 2500rpm. I've got a heck of a hissing noise (almost a whistle) in the throttle body over, say, 15% throttle under load.