Audi high pitched whine

Audi high pitched whine. Oct 31, 2017 · Audi allroad - High pitched whine or almost whistle like jet engine - 2004 Allroad twin turbine. The supercharger exists to add more air to the equation, making a Sep 27, 2023 · A high-pitched whining noise coming from the engine can be attributed to various factors. It is important to take your dog to the veterinarian to rule out any potential health problems. #21 · Jan 6, 2014. It's definitely coming from the rear of the engine compartment and narrowed it down to the EGR valve or the turbo. A failing power steering pump. This design makes the supercharger extremely efficient, but it also causes a high-pitched whine noise that’s unique to these cars. 8T with 75k miles on it and for the last few weeks it has made a very high pitched whining noise on cold startups (engine is cold, not necessarily air temp cold). Oct 5, 2009. Mar 5, 2013 · go to autozone, have them read and then clear the codes, start again and see if they're still there. At first, I could still hear the turbo boosting and it seemed to be driving okay. How to stop the whining noise. Unplugging the alternator from the wiring harness should stop the noise. 0 has a high pitch squeal at idle tapers off at higher rpm -then makes a whining noise when engine is shut off --any ideas? hey not sure if its totally right but the high pitch squeal at when its idleing could be the tentioner pulley bearings on the engine belt not sure about the whining noise when its shut off Jul 18, 2008 · Audio, Video and Security Discussion - High pitched whine from speakers - I'm experiencing a high pitched whine that increases in pitch with engine RPM. The whine is steady, and moving around cables and devices doesn't affect the noise. Changing the inputs on the amp to e. After approximately 2 minutes, it goes away. Sep 8, 2013 · I'm getting an intermittent squealing from one of the wheels while driving. Mar 22, 2021 · There are several causes for high-pitched noises in an operating dishwasher. Bearings: The transmission system relies on bearings to support the rotating components, such as the gears and shafts. Don't really know how to explain it, but its high pitched and sound like it have something to do with something rotating like drivetrain. As shadyhamster said, it's probably coil whine. Jun 4, 2021 · Whining noise video -https://youtu. g line 1, line 2 etc results in no whine so it's definitely only the phono that's causing it. Reply Like. The alternator produces AC and voltage ripple as it charges. Sep 23, 2019 · My turbo started making a high pitch "whistle" or whining noise a few weeks ago, especially when accelerating in 1st, 2nd and 3rd. Jul 27, 2007. This only occurs when driving, (not revving in Neutral), and while accelerating past 3. Whining high pitched sound from front endleft front wheel bearing or right it could be hope this helps tell me if it does Read full answer Dec 03, 2010 • 2000 Audi A4 Oct 22, 2013 · W. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. It's constant wether the car is on, running or May 11, 2017 · 2001 Audi TT Quattro has a high pitch whine coming from the engine on the passenger side - Answered by a verified Audi Mechanic We use cookies to give you the best possible experience on our website. Can occur 15 minutes into driving. Nov 17, 2023 · Modern brake pads are designed to make a whining noise when they’re getting close to the end of their service life. The fix: Get your brakes serviced. Annoying constant high pitched whine, even when car is switched off. 0T. Jack up the rear and roll each wheel. Could this be the after run pump itself going bad or more likely a fan? Dec 2, 2023 · Gears: The transmission system uses a series of gears to change the speed and torque of the engine’s output. Its like humming a constant note (yes it's that annoying ), it's not a high pitch squeel, definately a whine. Feb 1, 2019 · As crazy as this mightsound to a new car owner, modern headlights make noise. I have a hunch the problem could be a coil whine via the power supply or (less likely) through the USB cable. It happens every morning. Several key factors contribute to alternator whine issues: 1. Jan 19, 2011 · The problem is caused by a stuck crankcase ventilation valve. Hi Guys. Dec 30, 2009 · Posts: 375. Superchargers work by supplying air to an internal combustion engine. It almost sounds like it might be interference coming in through the car speakers, but turning the radio off does not change the whine Mar 28, 2013 · 113. The way air moves through the supercharger is what causes the whine. Mar 15, 2012 · Location. May 3, 2010 · A strange whining noise started happening a few days ago. I also here a small momentary whine from the engine before the car accelerates. Some people suggest listening with a hose, whatever works. It's also worth considering low engine oil as a Jan 30, 2016 · the whine occurs as long as the turntable rca leads are connected to the phono input on the Onkyo and the phono input is selected. Sep 7, 2017 · Show the service manager the videos, show him the whine (make sure in advance that you have a reliable way to reproduce it so you don't look like a crazed customer when you can't), show him the christmas tree dashboard. Mar 30, 2024 · The supercharger whine happens by design. Mar 12, 2023 · Well, Noticed the truck has a significant high pitched whine that follows RPM's. assailantsky Discussion starter. Audi s3. The cause of high-pitched squeals is usually limescale or minerals that build up in your showerhead and its connecting pipes. Aug 7, 2022 · 153 posts · Joined 2020. This is perfectly normal. Check the earth/ ground wire to your stereo first, then all other wires associated with the car sound system. Sometimes, electrical noise in the outlet itself can contribute to the high-pitched noise. However today, there is a whining noise that has suddenly become MUCH louder and hap Mar 19, 2023 · If you hear a high-pitched or whining noise, it could be a sign of a damaged bearing or a clogged impeller. It can't be heard from a cold start. 2. If after doing this you still have a whine, check all of My 2007 Audi Q7 has a high pitched whistling noise and it only happens when moving, but not all of the time - when slowing down it quietens and stops when the car stops - quite unpredictable when it will start and stop - it is quite irritating. Appears to lighten up over the course of the … read more Aug 16, 2011 · 2002 Audi A6: a real high pitched whining sound like metall spinning I have an 2002 Audi A6 2. #1 · Oct 5, 2009. Check with two neighbors that have F150's similar to mine outside one being a 22 Raptor and neither of them make this whine. It happens through headphones and monitors and also when the monitors are disconnected. The pitch of the whine is definately road-speed related, not engine speed. 12-30-2009, 11:59 PM. Oct 3, 2007 · Re: High Pitched Whinning noise when cold. With a few exceptions, a noise that occurs when Jun 25, 2021 · Audi A5 / S5 / RS 5 Coupe & Cabrio - Audi A5 B9 2018 high pitched whining coming from nearside front at cruising speeds - Hello first time Audi owner and poster on this forum go easy on me! My car (Audi A5 Quattro, B9 2018) seems to make the weird noise in the video below intermittently often after i have been driving Oct 29, 2016 · Screen parts are in post 40. The power steering pump is a common reason your Audi A5 might whine when accelerating. By using a different outlet, you can determine if the issue is specific to the outlet or the charger itself. May 5, 2007 · 2001 Golf GLS. Bad Alternator. be/kFoDuEM3uik This gearbox oil filter was partially blocked causing oil rush to make a very b Jun 27, 2022 · Screeching, whining, or other high-pitched noises coming from your shower is a cry for help. Apr 3, 2011 · 2002 Audi A4 1. Category: Audi. Also if in-between these Oct 4, 2019 · This humming sound will change with the engine’s RPM. Mar 13, 2014 · Apr 11, 2014. Signal cables. The cost: Expect to spend $100-300 per axle. But in the VW line when the B6 A4 came out, the Passat deviated from sharing the platform and went with a facelift instead and therefore designated that chassis the B5. When we got home and went to pick up some dinner, we started noticing that the car was making a whining noise. It should be just like a vac sound no pitching. #1. Yours could be a vacuum leak, check for cracks in the hoses. Dragy 100-200 6. Damaged or worn-out bearings can cause gear Mar 13, 2024 · One of the most common reasons for a dog to make a high-pitched whining sound is because they are in pain or discomfort. An engine sucks in air by moving its pistons to create a vacuum. Sep 2, 2014 · 299 posts · Joined 2012. Aug 6, 2010 · So it's a whiny somewhat high pitched noise that appears to be coming from the front of the vehicle. When I start the car in the morning it has a real high pitched whining sound like metall spinning at a very high rate of speed. depending on mileage, you may also want to replace the oil and coolant line O-rings. Whining alternator. Oct 22, 2013 · W. Possibly fixed the turbo bolts backing out and the whining under boost. I have 2 issues which I have encountered recently-. It's very high pitched, not a rumble, and intermittent: it comes and goes, chirping several times a second, occasionally lasting for a couple of seconds. This started about 500 miles ago. 5, and in 2006 when the A4's were designated B7, the Passats were then designated the B6. Another possibility could be a boost leak or vacuum leak. Also, look for any mounts that are broken. Sometimes, locating the whining noise’s source requires special tools, such as Electronic Ear Sensors. -20C takes a while to warm Jan 2, 2008 · A6 / S6 (C5 Platform) Discussion - High-pitched whine on acceleration - I've been hearing a high pitched whine, cant pinpoint the area. I sprayed it with wd40 and it's quiet again. With regular use of your car over time, wear and tear on various components will occur, affecting the Jul 6, 2010 · Hello Guys, I have a high pitch whine only in fifth gear when I am accelerating or with my foot on the gas. The engine responds normally though. Dec 13, 2022 · The possible causes of a whining noise in a car, include defective brake calipers, insufficient or no lubrication on the brake components, worn-out brake pads, or just brake rotors and/or pads of low quality. Received 0 Likes on 0 Posts. Dec 7, 2023 · 1. most likely leftover from trying to start without the coolant resevoir but also could be something residual from the work you did. After I got home, I let it idle and tried to locate where the sound was coming from. I thought it was turbo whistle but I suspect it may be intake? It is only heard briefly as at higher speeds the sound either disappears or is overwhelmed by road noise. Having the radio or Nav on makes no difference. I wouldn't say its a groaning noise, or a whistling. High pitched whine is the best way of describing it. Use a Different Outlet. 1. If it's coming from the back of the engine where the video was pointed, I wouldn't think it's your belt rollers. #1 · Aug 7, 2022 (Edited) Hi all, I took my car in last month for the 55k mile service. Seems to be getting worse. Answered in 10 hours by: Audi Mechanic: Ron. - Doug M. Your air conditioner has to work harder to pull enough air through Jun 2, 2008 · Re: High pitched whine when coldsounds like a ghost I have the scooby-doo ghost in the engine bay, too. Oct 4, 2019 · 1. It only occurs when I fire up the engine after it's been sitting for a while. Only on start up when cold. Additionally, a power steering problem or a worn bearing could also result in this type of noise. It's related to road speed, not engine speed, and it's coming from one side of the car, so I'm pretty sure it's a wheel. Whining noise while accelerating can be caused by several things, including low levels of steering fluid, the steering pump, a leak in the pump, the alternator, wheel bearings, loose or worn belts, the transmission, brakes, and the exhaust. 25 hours each way) in our 2015 Q7 last weekend. Feb 22, 2021 · Q7 MK 1 Discussion - 2012 Q7 high pitch noise - My Q7 seems to have developed a very high pitch noise, intermittent, that sometimes is accompanied by a whine from the back drivers wheel area. you do not need to replace the lines. 2016 Audi A6 3. See if the right side sound different than the left. Hi all, I recently noticed a high pitched whine/noise coming from my 2009 audi TTS. It can be hear after the engine's up to temp at idle and at low RPMs (<2000). Sep 16, 2014 · The high pitched whining does sound like a transmission problem with the differential being a likely culprit. 5K Rpms. Likes: 0. So, if you hear a whining noise when you brake, see a mechanic to get some new brake pads installed. Doesn't matter whether the car is in park or drive as soon as I give it the slightest bit of gas it will If the whining noise while accelerating is loudest while taking a turn, the problem may lie in the power steering assembly. I have an 07 b7 estate and it's making a constant high pitched whine. sound increases with rpms. Same high-speed whine. Initially though power steering pump but if you coast in-between these speeds then the noise slowly goes as speed drops and as soon as at 20 then it just stops. 93. milk. So I modified the bolts, I used a punch and deformed the thread in one spot about 5mm from the end. Seems like once I reach 35 or so it goes away. In most cases, a high-pitched whistling sound means that your air conditioner isn’t getting enough airflow through the return vents and ductwork: the ones that pull air from your home to the air conditioning evaporator coils to cool it. May 5, 2020 · hi guys, I have as mentioned a high pitch whine that kicks in around 20mph and seems to go around 60ish. It may also be accompanied by the battery light, depending on whether or not it is putting out the proper voltage. Mechanic thinks it could be bearing on belt tension pulley? Feb 19, 2021 · Q7 MK 1 Discussion - 2015 Q7 Loud whining noise from engine - Made a day trip from Los Angeles to Santa Barbara Zoo and back with the kids (about 1. #3 · May 26, 2005. The power steering pump is a common reason your Audi A1 might whine when accelerating. Noticed the same high-pitched whine between 60-70mph (sounds like its behind the speedo), very light throttle. Since it's return, I swear there is a high pitch whine that rises and lowers with engine RPM. At 2400 miles, a high pitched whine/whistle noise has developed when accelerator pedal is pushed. With your car running and while the squealing is present remove the oil filler cap. The main reason for the whining might be a loose belt, that runs over the power steering pump’s pulley. I checked the fuse for the sub Oct 25, 2006 · In the early morning, I get a weird high pitch whine sound on startup while the car is sitting still warming up. 57. Kinda sounds like a lear jet noise and it's pretty loud. Same description as you other guys - not at low, low speed, but definitely there and then disappears after a minute or two when 'warmed' up, although definitely goes away before the engine is anywhere near warm. Dubai. The noise … Oct 4, 2019 · Unplugging the alternator from the wiring harness should stop the noise. Oct 28, 2008 · 2004 TDI Jetta Wagon. TTRS Mk3 Coupe 480 horsypower. The sound will not happen until the car is warm, when the EGR bypass flap is actuated, between 2,000 and 2,500 RPM (The sound only last for a few seconds). Noise and your new amplifier An amplifier can introduce noise into your system through a bad ground or through a poor mounting. My CV's are wearing out in my driveshaft, but I don't have any high pitch whine coming from them. Feb 12, 2007 · In the Audi line it came out in the B7came out in the 2005. And if you take off right away it will restrict accel and boost. 23 posts · Joined 2015. it should not take to long before it sounds normal after Jan 1, 2024 · An alternator noise suppressor connects inline between the alternator and battery, and can reduce high-pitched whining noise that modulates according to engine RPMs. Oct 15, 2022 · United Kingdom. One potential cause is a faulty serpentine belt. Release the throttle and the sound stops. Damaged Serpentine Belt. The blades inside the supercharger are shaped to create a vortex that pulls air into the compressor. Other symptoms: None. #4. Last night on my way home from work, I noticed a high pitch whistle or squeal and it got louder with RPMs/throttle. #9. I've had an s3 8v for last 2 years and I've noticed it's just on cold start I get a high pitch whine which is rather annoying. At first I thought it may be an air leak with my CAI, so I tightened down all the WHY CAR MAKES WHINING NOISE, ENGINE WHINE NOISEIf your car makes whining noise coming from the engine and you want to see what could possibly cause engine wh May 26, 2005 · 6846 posts · Joined 2001. It's a relatively high pitched sound and is coming from somewhere in the engine compartment. But is also present when going straight, and is affected by the higher the revs get, it goes up in pitch. It sounds almost like the blowers are on very low, but they aren't Its quite noticeable and annoying, i can hear it over music sometimes, but goes away after a short while. Step 1: Ruling out engine noise. Location. West Mids/North Worcs. Any clues? I hate the sound of it. Mar 15, 2012. B. It goes away after a few minutes. 11-26-2013 09:27 AM #5. It stops when i turn off the head unit. The sound comes from air being sucked past the chevron seal in front of the torque converter. Mar 19, 2011 · I have this on my TTS occaisionally, even after switching off it remains for 5 mins or so, a really high pitched whistle. I think (no doubt someone can correct or confirm) it's the turbo cooling down where it keep oil circulating for a short while. 8t jetta, mods done to it include: 3 inch DP, aftermarket DV, and Short ram intake. 11 posts · Joined 2014. Dragy 1/4 10. Aug 19, 2007 · S4 / RS4 (B5 Platform) Discussion - High pitched whine / whistle sound after I turn off my car - - Just started the other day. Aug 16, 2022 · High pitched whine from acceleration? I've noticed since I bought my car a few days back that when I have the AC running, there is a slight 'gurgling' noise that seems to come from the dashboard area. What I Drive. In most instances, the bearing in the pump wears Aug 3, 2003 · A4 Cabriolet (B6 Platform) Discussion - CVT - whine/whistle under acceleration - Have new Audi A4 Cab. 2006 audi a4 2. Engine Problems. Whatever we suggest are just guesses, you need to get it looked at. Nothing major and may be normal, but it sounds almost like bubbling water or something to do with the system. If the squealing stops this is the problem. The first step is to isolate the problem. When the car is cold and started I get this ridiculously high pitched whine in idle. Dec 7, 2016 · Workshop manual. 0T with under 25k miles. If it gets too low on fluid, it’ll whine a lot. Feb 7, 2018 · 2016 Audi A6 3. Race the engine gently with the car in Neutral and listen carefully for any signs of the offensive noise that are associated with the engine speed. Is it turbine bearing? Engine well oiled with synthetic blend. Wazman. This includes the alternator ground, the connection between the alternator and battery, and speaker wires. WHY CAR MAKES WHINING NOISE, ENGINE WHINE NOISEIf your car makes whining noise coming from the engine and you want to see what could possibly cause engine wh Several key factors contribute to alternator whine issues: 1. 8T Quattro. In extreme cases, the whining could indicate that there’s a larger problem with the transmission that needs attention. 8T, yesterday out of nowhere my engine start whining very loudly, when I opened the hood, the whine was pretty loud and clear, it was coming from the very top front of the engine, the problem is it was so loud I couldn't even Jul 16, 2019 · I went through this about a year ago to identify and eliminate a high-pitched whine when at speeds over 50mph. A failing alternator can also make your vehicle’s stereo hum while driving. Mar 20, 2018 · When starting and accelerating from stop I get a high pitched whistle sound. Jul 11, 2021 · A4 (B8 Platform) Discussion - Very high pitch whine - Hi everyone, I drive an Audi A4 b8 1. The 2014 Mazda MAZDA6 has 6 problems reported for transmission high pitched whine. Inspect the pump basket and lid for any cracks, damage or debris. If in neutral I can make the frequency of the noise get higher, but I really notice it when I'm driving, especially at low speeds. Its pretty faint and easily drowned out by any amount of throttle, but it is definitely present. Average repair cost is $3,250 at 51,600 miles. I took all 3 bolts out the turbo again and found that all 3 timeserts were loose. Most Common Reason: Low Return Airflow. The gearbox clunk could be a worn box but could also be engine or gearbox mounts or play somewhere in the transmission or steering. be/NG-moJrUxeQhttps://youtu. I have a high pitch whining that I identified as the bearing in the serpentine belt tensioner. unplugging the turntable from the phono results in no sound/whine at all so it's Entire transmission was replaced. Oct 15, 2022. If your Audi Q7’s alternator is going bad, it’ll often begin to put out a high-pitched whining sound. cv joint won't make a grinding noise, it more like a clicking deal when u turn. if the noise is during braking, u need new pads. I've taken a video of the sound. The power steering pump is a common reason your Audi Q3 might whine when accelerating. It's not super loud. Apr 1, 2013. Hey guys, I have a 04 1. Power Steering Pump. The power steering pump is a common reason your Audi A4 might whine when accelerating. Try plugging your charger into a different power outlet. Veteran Member Three Rings. Jul 8, 2023 · TT (Mk2) Discussion - Audi TT RS high pitched/whine noise - Hello, I recently got this weird noise from my car. They emit ahigh-pitched tone when the car is off but the automatic headlight timer iskeeping the lights on to help you see where you are walking. think of it as a starting up program that protects your engine from operating at max before its ready. #8. 0T engine whine and revving. 2004 Jetta PD 115K miles is making a high pitched whining in the area of the turbo when accelerating. The pitch If the whining noise while accelerating is loudest while taking a turn, the problem may lie in the power steering assembly. Jul 3, 2004 · Get a stethoscope and find where the noise is loudest. It becomes noticable at a low pitch at around 30 and increases in pitch as the roadspeed increases. #1 · Sep 2, 2014. #1 · Jun 3, 2015. Jul 31, 2011 · 2002 Audi A6: a real high pitched whining sound like metall spinning I have an 2002 Audi A6 2. I've read it could be my secondary air pump ? Mar 31, 2010 · On the M40 today I noticed a whine from the front. A clog or residue build-up in the water circulation system may also cause these kinds of noises. I brought this up with a dealer at service and while the tech did hear the noise, they are indicating Jun 26, 2001 · High pitched whistle from the engine bay at IDLE I just noticed this happening for the first time this weekend. Most often, the cause of a high-pitched noise or whine in a dishwasher is a bad water circulation pump or a bad drain pump. Not all new carsmake this sound. But unfortunately, while these squealing whistling noises are pretty common in showers, they are not a sign of anything good. The sound also happens occasionally while Aug 1, 2008 · If it goes away or gets quieter when you blip the throttle, it's probably a vacuum leak after your throttle body. Hi it turn out not my pcv that's making noise, it's from broken intake pipe. Electrical Interference Pathways. I have a the base FWD model with 1,600 miles. I've started to notice it more as it has gotten colder (15-32F). It's been making it the last few days, I first noticed it when I got home from work and heard it but thought it was just a noise from the quarry down the road. I had a similar noise when I put my engine back in after changing my cam adjusters, it went away when I pulled off and Jun 3, 2015 · A. but if u get the sound when ur driving there might b 2 things (i can think of right now)either ur caliper is stuck (which i doubt), or it might be your hub bearing Dec 2, 2023 · Gears: The transmission system uses a series of gears to change the speed and torque of the engine’s output. It depends on the headlight technology your car has. Power wires. There is no problem recording with my condenser mic through XLR. , Los Angeles, CA, US. Sep 8, 2008 · I have a 2005 Audi A4 1. When I hit the acc there is a slight hesitation especially between 30-40 miles/hr-sometimes at higher speeds but not noticeable. Only hearing it above 50kmph, Jan 6, 2015 · So I'm relatively new to a 2012 A6 3. Jan 7, 2023 · This whining noise can be caused by a bad serpentine belt, a boost leak or a vacuum leak. Damaged or worn-out bearings can cause gear Oct 5, 2009 · 362 posts · Joined 2007. Some may be duplicated. Myself also had whine sometimes and it seemed to be an eletrical circuit in the PSU that was under high loads, making a different while all day (20 seconds, 5 seconds break/higher/lower) When checking it up, it had to do with electric frequences and components inside of it. I have noticed that whever going in reverse, I get a high pitched whine that I thought was only in the car but is audible outside the car. The speed of the car has no effect, unless the back area Jul 15, 2009 · The noise is definitely affected by right hand steering, it becomes considerably louder. I'm not sure if its a head unit issue or perhaps something with the system voltage regulation. This could be due to a variety of reasons such as a dental issue, an injury, or even a medical condition. 0. It seems to peak at about 5 mph in reverse. If it's wining from stationary just with reving and follows teh engine noise from idle (can hear it properly now) it's more than likely something in the belt system, alternator, aircon, power steering pump (if not electric) Have you tried putting some load through the electric system (lights Oct 4, 2019 · This humming sound will change with the engine’s RPM. Lots of diagnosis activity, plus multiple attempts to rebalance tires, rotate tires, install new tires, shakedown tests, chassis ears when car was on lift and put in DRIVE, several different shops, etc. 7T. A loose or dirty basket can cause Apr 8, 2021 · I've installed a Sony XAV-1500 to my 2011 A3 S-Line with Bose speakers and everything was working great until I started the ignition, the main speakers all work but there's an intermittent high pitch whine from the two (are they tweeters?) small speakers next to the door handles in the rear. Oct 4, 2019 · This humming sound will change with the engine’s RPM. This dirty power is conducted through several pathways that allow EMI infiltration of audio gear: Vehicle chassis wiring. These issues can cause the motor to make strange noises while operating. When air is sucked into that vacuum, mixed with fuel, and ignited, it causes a combustion reaction which supplies the engine with its energy. I opened the hood and it sounded as though it was coming from the area of the passenger-side bypass valve/f-hose, but I'm not really sure. Check the motor shaft for any signs of rust, corrosion or damage. If the car doesn’t make the noise when it is not in gear, chances are it isn’t an engine noise. These gears can wear down over time, leading to gear whining noise. The power steering pump is a common reason your Audi Q2 might whine when accelerating. Getting the belt tightened and the whole assembly realigned, might solve your problem. High pitch whine and and lower pitch groan with slight vibration/resistance while manipulating the steering wheel during turns. It could also be due to a power steering issue, worn bearing or low engine oil. Ron. Recently when i start up my A1, theres a high pitch humming/whining noise coming from the dash area. Thanks S3 2008 16000 km . 5 model year. You can really hear it when next to a wall in a drive through or when outside the truck walking around it. hp ai gp bq gp de vr tt ov al