Knocking Noise Coming From Dashboard

this happens everytime i start up any advice would be great thanks. Its driving me insane!! It only happens at low speeds, mostly in and out of my neighborhood, when I go over bumps that are on passenger side of Tahoe. A thumping noise started in an area, sounding like it's just underneath the passenger airbag or windshield wiper. My Chevy Impala started a clicking sound under the dash. Hey guys, I drive a 2012 SE V6 with 1600 km in it. I have a 2004 Tahoe and just recently it has started making a constant clicking noise that from what I can tell is coming from behind the dash. KNOCK KNOCK! what is that sound?? recently i have noticed a loud knocking coming from the dash when i switch ANY climate control from the right side of the switch (that indicates what type of cooling/heating, ie. Mine sound dash or firewall area oriented. Average repair cost is $330 at 85,250 miles. When the knock sensor starts to malfunction, you will hear loud noises coming from the engine that almost resembles thumping sounds. Turning the air completely on/off seems to make no difference, nor does turning the steering wheel or adjusting the tilt on the steering column. It doesn't happen when you turn on accessory but does when the key is turned to on (engine not running) and when the engine is running. Sound seems like it is coming from the front drivers side. i am hearing the noise in the. *KB: Bulletin Number: 00406. When I use the key fob to unlock it there's about 10 seconds of a knocking noise coming from under the passenger dash area. If it is rod knock - there's a great chance upgrade and build a capable track car. Fuel pump turning on, radio coming on, then starter turning over when the ignition is keyed. Took it into the dealer. Maybe do another oil change now and cut the filter open. Clicking noise behind glove box I have a clicking noise behind the glove box. Does anyone have any I fo on a possible service bulletin or recall? With the number of issues I came across in one day of searching I would hope GM would be on top of this. Anyone have any ideas? A relay going bad?. The noise resembles a click with a thump followed by a trickling, shutter or flapping noise like a flap or valve is bouncing around after each click. Anyone have any ideas? Thanks in advance. It happens at around 70 plus miles an hour and when when it is cold. I'm experiencing a knocking noise that seems to be coming from under the dash. Well, I beat Press Start, and then moved on to Knock Em. This is normal. Later on, however, the ticking returns and repeats its cycle. The noise last for about 10 seconds and is very loud. When backing out of the driveway or at slow speeds when hitting bumps or turning, there is a distinctive knocking sound coming from the front end. Upon starting the vehicle the noise begins. It seems to only do it when the A/C is on, so I figure it is in the A/C system. It stopped after a while, but would start up again if you changed A/C Air Conditioning settings. You can feel the vibration on the dashboard and from wherever you stand it seems clear that it is coming from that location. It used to do it for a few seconds after starting up but now its knocking for most of my trips and gets annoying. A LOUD clicking and clacking began immediately. It is booked in for the 20K service next week. I have recently noticed an intermittant rattle/knocking when I have been driving, but it is difficult to say where it is coming from (these things usually are difficult) except to say it is. One day i heard the noise and can't even find where is coming from because i opened the hood and nothing, checked under the car and nothing. When I drive short distances it is fine but when I drive for a long period of time about 30 minutes or more there is a loud knocking sound. Cause: The above noise may be caused by one or two situations: A) Excess air in the heater core. The clicking is quick, maybe two clicks per second. If the clicking starts when you turn off the key, or change the A/C from inside to outside, or outside to inside, it is the motor on the right-hand side of the glovebox. help! knocking (thumping) noise when turn on faucet; Author: sukubo (CA) Hello, I had my kitchen faucet replaced about 2 months ago. I'm fairly certain that the ticking is coming from inside and not from the engine. 2005 TOYOTA 4RUNNER; Bulletin Number: 00207: HVAC BLOWER MOTOR ICE BUILD UP. It only does it when it is actually heating though. See this bulletin for further detail. I'd get one loud knock. on start up i hear a knocking sound coming from the dash area. It sounds like it’s coming from almost directly behind the radio console and has the speed and timbre of a fast, old-fashioned tick tock metronome. I to have this problem but have yet to be able to track it down and it also drives me nuts. I have a 2011 Chevy Traverse with high mileage. I am in South Africa not sure if we have a lemon law. Have been to the dealership twice and my local mechanic with no luck. I understand where you're coming from but I would still recommend checking the oil pressure just to be on the safe side. A knocking or ticking noise from your engine is a sign that something is wrong, usually because of a lack of oil. I have a clicking/ticking noise in the dash behind my instrument panel. It could be the valve lifters because all the oil has drained down to the base. Why Does My Car Make a Knocking Sound? There are many potential causes for engine knocking noises, and they vary slightly from one vehicle to another. All three behind the govebox an it still was makeing the noise. If you hear a tick coming from your motor, check the oil level immediately. SUBJECT: Gurgling Noise from Dashboard Area MODEL: E38 Complaint: Gurgling or percolating noise coming from the dash. to see if it is a lifter noise, at the net oil change use a qt. I believe behind the radio. 1999 to 2016 Super Duty - Knocking sound from center dashboard area? - Hey fellow Ford Super Duty fans! I just picked up my 2008 F250 Crew Cab a few days ago. Feb 15, 2012 at. There is what looks like a mode door/heater door actuator (kinda looks like the one on the 300M) that is on the right side and just above the blower motor housing. This 2002 Chevrolet Trailblazer came in with a clicking sound under the driver's side of the dash and erratic control of heat and a/c, hot and cold, air from the driver's side of the dash. If you stick ya head in the foot well near the pedals it gets louder. I have a 2010 Challenger RT 6 speed. This happens every now and then, not every day. This sound is coming from the Passenger side rear of the SUV, behind the 3rd seat and underneath the side window, and behind the plastic panel. It sounded like a woodpecker, I'm not kidding. What is the knocking noise under my car? Is it the ball joint? I have bought a 1996 Renault Clio and there is a knocking noise under my feet when I turn a corner. Currently experiencing clicking motor sound from behind passenger side dash after turning off A/C. The mechanic couldn't find a code for the light and couldn't find anything wrong. This started happening about 2 weeks ago. I think it may be related to the climate control since the upper vents don't work sometimes. My 2010 SRT (so cal/south bay-late afternoon outside temp 61 degrees) while after finishing hwy speeds there is a clicking noise or rattle under the driver side dash which sounds like it is right around the speaker. So I noticed a knocking noise coming from the center of my dash. Also, not sure if this helps but the noise seems to have lessened after bringing it in for my 5,000 service. Want to take the car in but worried they might cause more problems. Place the truck in park, bring the oil temperature to 160 degrees as indicated by a scan tool. Feb 15, 2012 at. A repetitive clicking noise from behind the center area of the dash panel is usually caused by a broken stepper motor actuating arm. If your car makes noise when accelerating or turning, don't ignore it. If you stick ya head in the foot well near the pedals it gets louder. However, there are a few causes of knocking noises that are much more common than others. A similar noise coming from the back of a rear-drive vehicle can be an indication of a bad universal joint. Its driving me insane!! It only happens at low speeds, mostly in and out of my neighborhood, when I go over bumps that are on passenger side of Tahoe. is this way yours is doing?. Best bang for buck fix ever - took 30 seconds and made the car feel new. The signal from the knock sensor is sent to the PCM/ECM and that is used to control the engine's timing. Is it worth that much to fix? Nose only happens with heater, other than that, everything else is fine. It sounds like it's coming from almost directly behind the radio console and has the speed and timbre of a fast, old-fashioned tick tock metronome. Things that are loose make rattly jingly noises. If you hear a tick coming from your motor, check the oil level immediately. Hello, long time lurker, first time poster here. 2004 Chevy Silverado® Making Clunking Noises Eric Seifert, Automotive Technical Editor Bill's 2004 Chevy Silverado ® made an odd clunking noise on the freeway when he ran over those little reflectors while changing lanes. You can feel the vibration on the dashboard and from wherever you stand it seems clear that it is coming from that location. Then does it again like 5-10 mins later. Just like in original second part called meltdown bring us a super fun and intense gameplay using the rhythm based mechanics that has bring this series to the spot light. The weirdest thing is that when driving I can swear it's coming from the right side of the dashboard but I ride passenger it is on the left. Hello: My apologies if this has previously been posted/replied to. So when it's in gear but rolling with no accelerator it does it. It was in the shop because the engine light came on and it was slow when starting and also heard a knocking sound coming from the engine. Honda has issued a service bulletin to address ticking, knocking on Honda engines. ** Note: you cannot replace the valve only. What Does a Knocking Noise Mean When I Apply the Brakes? My Car is Making a Knocking Noise Knocking Noise when i Apply Brakes Car Engine Knocking Noise Engine Makes a Knocking Noise Knocking Noise in Engine If One of your Tires Blows out you should Apply your Brakes Immediately Dr Dog. It is periodic and lasts for about 7-10 seconds. 2002 Trailblazer has a loud popping sound under the dash when started. At least that worked for me for a few. air conditioner knocking sound air conditioner compressor failure, making excessive noise or not working correctly, but loud knocking noises can sometimes be caused by air in the system, best answer you should only hear the sound of air moving through the filter at the return grill, so a duct or plenum box is loose, condensation in the air,. It keeps on going until I turn off my cruiser. Its not tingy, but a quite a deep 'knock' kind of sound. Go to your professional dashboard; Toggle navigation If the noise is coming from inside the refrigerator If it sounds like knocking. Yeah, it scared the heck out of me, but driving today with the air on, there was a knocking in the dashboard on the passenger side of the car. I think its to do with the re-circulation , because if i turn it on then off again it makes the same noise, but only when turning off it makes the noise Any ideads on a fix or what it could be ?. This is a discussion on Dash "popping" noise within the Focus RS TroubleShooting forums, part of the Focus RS Garage category; 500 miles on the clock now and ever since new, I've been experiencing a very subtle but sharp popping noise in the passenger side dash. help! knocking (thumping) noise when turn on faucet; Author: sukubo (CA) Hello, I had my kitchen faucet replaced about 2 months ago. The scope will reveal noises your ear will never pick up. Spark Knock is a knocking, rattling or pinging noise that may be heard when he engine is accelerating. I noticed last week when I had the stereo off that there was a weird knocking/rattle coming from around the steering wheel column area whenvever I went over a pretty decent sized bump/pot hole. It does not happen all the time, but mostly on cold start. I have a tapping or knocking noise coming from my dashboard of my 2003 ford explorer. There is a very irritating fast clicking sound coming from the dash in the area of the glove box, anytime the heat/ac fan is on. If your car makes noise when accelerating or turning, don't ignore it. The "cackie" noise may by caused by pressure variation within the fuel rail and in virtually all instances is attributed to cylinder #8 (driver side rear). I believe behind the radio. When i turn on the ignition there is a clicking noise for about 5 seconds from behind the dashboard, its either behing the stereo or glovebox. Also, not sure if this helps but the noise seems to have lessened after bringing it in for my 5,000 service. I have recently noticed a knocking noise coming from the front end of my 2011 Jeep, starting at about 30 mph and up to 45 mph. this usually lasts for about 30 seconds and then goes away. There can be three reasons for You Ac to be making the noises in the indoor unit, but the knocking is caused by * Icing of the evaporator coils. I have an 05 Nissan Frontier and it's making a clicking sound inside the dash for 5-15 seconds when I turn on and off the vehicle. I do not believe it is the issue with the ESC because it is really loud. It is not consistent though. what causes that? - Chevrolet 1994 Suburban question. http://rainbowdash. I have removed the glove box and there is a control unit MB part number A2038201642 which is flicking and causing the annoying knocking. when i start i hear this clicking sound coming from under dash somewhere. Well on that side of the car there are two actuators and to get to either one of them the glove box needs to be removed. Grim Tales from Down Below: Dine N Dash. Hey guys, hoping you could help. I have a clicking/ticking noise in the dash behind my instrument panel. Any ideas? This is on my 2003 9-5 Aero. Has anyone else had this issue. You hear rumbling noises coming from under or toward the rear of the vehicle: The trouble could be a defective exhaust pipe, muffler, or catalytic converter; or it could be coming from a worn universal joint or some other part of the drive train. I only recently got the vehicle and I'm thus not too familiar with what's normal and what's not. When I opened my door today something was going on cause a loud clicking sound started and it is coming from behind the dashboard. Then does it again like 5-10 mins later. If i turn the radio on i dont hear it but I've been noticing it more and more. Later on, however, the ticking returns and repeats its cycle. When the knock sensor starts to malfunction, you will hear loud noises coming from the engine that almost resembles thumping sounds. I have a 1991 chev 4x4 with app. The other two options 1 and 2 do not work. on start up i hear a knocking sound coming from the dash area. They wanted $1100 to fix it. I have recently noticed a knocking noise coming from the front end of my 2011 Jeep, starting at about 30 mph and up to 45 mph. but only last about 30 seconds and stops. This is a discussion on Dash "popping" noise within the Focus RS TroubleShooting forums, part of the Focus RS Garage category; 500 miles on the clock now and ever since new, I've been experiencing a very subtle but sharp popping noise in the passenger side dash. 2004 Chevy Silverado® Making Clunking Noises Eric Seifert, Automotive Technical Editor Bill’s 2004 Chevy Silverado ® made an odd clunking noise on the freeway when he ran over those little reflectors while changing lanes. My first thought was that it was the factory sub, but I pulled the cupholders out and disconnected the main harness running back to the amp and that wasn't it. It seems to only do it when the A/C is on, so I figure it is in the A/C system. At the same time I removed the heater blower motor to investigate a noise from the blades. I've been getting a weird knocking noise coming from my dash that just started today. Nek and Bleedman 07/08/2019. There are several things that could be causing the knocking sound from the rear suspension. I had a rattling noise from my right side of the dash in my 05 Limited. Low Oil Level. Dash "popping" noise. Upon starting the vehicle the noise begins. Knocking noise noise coming the passenger side dash, approximately 4 knocks There is a knocking noise There is a knocking noise coming from the lower section of the passenger side dash, approx 4 knocks per second, for 15 to 20 seconds, after changing A/C position from Recirculate to Outside air or viceversa. I only recently got the vehicle and I'm thus not too familiar with what's normal and what's not. This started happening about 2 weeks ago. it quits after about 30 seconds after I start the vehicle but happens almost everytime. This happens every now and then, not every day. I also noticed a noise behind the headlight switch that sound like an old computer from the 80's with the clicking. Could this be my FSU?[quote] I am not sure what you mean by "It happens when it is off. I could make the dash make that sound by pressing down on the lower right-rear corner of the dashboard center piece, just in front of the center console (the plastic thing that the gear shift lever. It seems like it does it every time she starts it. Rogers says a knocking noise is likely a sign that the. I know this sound so creepy, I know I should be terrified at all these revelations, I should be thinking channel 171 docies bodi Stalked, Disappeared, I Almost got away with it, Murder choose me and all those creepy stuff but nah you got it all wrong I am blown away like hell. It is a crackling/slapping sound coming from behind the dash and it is intermittent, and driving me nuts! Discovered the sound around 4500 miles and it comes even when the road is smooth. My wife has an 06 Exp xlt. What Does a Knocking Noise Mean When I Apply the Brakes? My Car is Making a Knocking Noise Knocking Noise when i Apply Brakes Car Engine Knocking Noise Engine Makes a Knocking Noise Knocking Noise in Engine If One of your Tires Blows out you should Apply your Brakes Immediately Dr Dog. I searched the forum and couldn't find anything. It is coming from the behind the stereo/air con. are you sure the noise is coming from the transmission. All three behind the govebox an it still was makeing the noise. It quits when I hit the air recirc button. There is a very irritating fast clicking sound coming from the dash in the area of the glove box, anytime the heat/ac fan is on. Hello guys, I have a 2007 Chevy impala ss. Know when I get into my car sometimes I hear a knocking noise from behind the dash. Low Oil Level. The couple times i've been to the dealer they just tell they can't duplicate the noise. There is a knocking sound that started coming from my car a couple days ago. I had a similar issue not long ago where I heard this coming from right behind the hvac controls and radio I believe it was the. I tried some on-the-fly isolation, but it wasn’t related to motion, engine on/off, CD or tape player, fan, or anything else. Hello, long time lurker, first time poster here. This feature is not available right now. Please try again later. Hello, long time lurker, first time poster here. I'll check the mirror to but that's not where it sounds like its coming from. With it being cold now it's getting difficult to defrost my windows now lol. Perhaps you can be a bit more specific about the area it's coming from (i. Its not tingy, but a quite a deep 'knock' kind of sound. Air conditioning is a luxury. Just the usually. I recently noticed a clicking sound behind the passenger dashboard. Once you find it, you should be able to tell how hard it is to remove. Also there's a noise that seems to be coming from the glove box or behind the dash. Mine is more of a faint sound of actuators or relays or something or air valves changing state. I bought my 2017 TRD OR last August and started experiencing a cluck/knock coming from somewhere behind the dash. Man! I have this problem and I have taken the car to the service center, only to be told that it could not be found. I only hear it when i turn on the air conditioner. are you sure the noise is coming from the transmission. The sound is light enough that I cannot hear it with the radio turned up, but if the volume is low, I can still hear it. To me, it sounds like expansion contraction issues. Always loudest and seeming to come from center console as soon as I turn the key (even when car is already warm, such as after going to the store and coming back out) but before engaging the starting mechanism. Randomly usually after getting gas, the following day on cold start there will be a loud knocking noise coming from the dash. Is the noise grinding like metal on metal? Is it tapping, or clunking? Things that turn or spin make whiny, rumbly grindy noises. It is used to detect engine knock or detonation (there is a piezoelectric element inside the sensor). are you sure the noise is coming from the transmission. I have a 2007 GT/CS with 130k miles. Anyone have any ideas? Thanks in advance. I hope this is the same for a 02 envoy. Every time I start or shut the truck off a knocking noise comes from under the dash by the glove compartment. Switch the air from outside air to recirculate and I hear the knocking noise from under the dash. I feel like we are building a strong love story for our granchildren. The weird part is that it will start before I even turn the car on. on start up i hear a knocking sound coming from the dash area. Your HVAC system should normally run quietly with only the sound of air coming from the vents. it is on the right side of dashboard up by the window. air conditioner knocking sound air conditioner compressor failure, making excessive noise or not working correctly, but loud knocking noises can sometimes be caused by air in the system, best answer you should only hear the sound of air moving through the filter at the return grill, so a duct or plenum box is loose, condensation in the air,. When you start your Mercedes-Benz, or even just turning the AC on, you hear a clicking sound (at times a shhh sound) from the dashboard. KNOCK KNOCK! what is that sound?? recently i have noticed a loud knocking coming from the dash when i switch ANY climate control from the right side of the switch (that indicates what type of cooling/heating, ie. a knocking noise is in my dashboard when the fan is on. Chirping noises coming from your air conditioner usually indicate either that the bearings are dry, the fan is rubbing against the coils or blower cage, or the belt needs to be replaced. Reload this Page knocking noise coming from dashboard. When it's making the noise I can put my hand on the bottom of the box and feel the noise seems to be coming from that box. Engine Noise rattle/Knocking?: Hi Guys, This is my first post and I'm a relatively new MX5 owner. it has 137. The noise resembles a click with a thump followed by a trickling, shutter or flapping noise like a flap or valve is bouncing around after each click. KNOCK KNOCK! what is that sound?? recently i have noticed a loud knocking coming from the dash when i switch ANY climate control from the right side of the switch (that indicates what type of cooling/heating, ie. I have a 2006 that has started making a clicking electrical sounding noise under and to the right of the steering wheel in the dash area. Nobody works harder than bees! Dad, I remember you coming home so overworked your hands were. I can also distinctly feel it in the steering wheel and pedals when it happens. Therefore, it is important to recognize the symptoms displayed by a faulty knock sensor to prevent the engine from severe damage. It last about 20-30 secs and then goes Loud clicking noise from dash - JeepForum. If you're questioning what is normal engine noise, I may have the answer. sometimes the fan will not work when the knocking noise is happening. Anyone have any ideas? A relay going bad?. Depends on where that loud noise is coming from and what it sounds like. Akira Tozawa (2018) 2. A little noise is normal, but loud noise inside the passenger compartment or in the wheel well is not normal. Check out these common causes of noises in an HVAC system and what you can do about them: Rattling. 6 has a sound under the dash as well, but I would not describe my noise a gargling. 1 hours, the whole dash is not coming apart. I recently noticed a clicking sound behind the passenger dashboard. 100k miles. Average repair cost is $290 at 52,250 miles. Bravada making a clicking noise non stop. Ooma is a state of the art internet phone service provider for home and business, plus smart security systems. And usually after I get gas 87 octane. Took the dash end cover off and the lower kickpanel/carpeted cover under the glovebox off and crawled in upsidedown to take a look. I have switched of the radio and still i get the noise. Again it's not wise to run that engine with that much noise. Whether your car has clunks, creeks, crunching, clicking or whining, we'll walk you through each one of these noises and tell you what they mean for your vehicle and what you need to do to take care of the problem. The other morning I got in to head to work, turned on the defrost and turned the fan up, and heard this crazy loud noise coming from up under the dash, on the passenger side; sounded like it was coming from behind the glove box area. Sounds like it comes from the front, under the. If I lie on the passenger floor I can feel were the noise is coming from but I can't figure out how to get at it. And I've recently noticed that whenever I turn my faucet on for the first time, after its been off for a while, (i. The sound continues even when I turn off the air. Hey all I just started to notice this loud ticking noise coming from the top middle of my engine bay above engine block. Suspecting the heater core, some googling supports that theory. Engine Clicking And Tapping Noises problem of the 2011 Chevrolet Equinox 28 Failure Date: 09/23/2011 Concerning 2011 chevy Equinox 4cyl, on startup, there will be a loud knocking noise, sounds as if there is no oil in the engine, sound lasts from 1-5 seconds then goes away. The noise is gone - and I'm not sure if this is placebo effect - the car even feels more solid. Turned off the car and set the key to accessorie only and the knock continued. Geometry Dash Meltdown The original geometry dash has finnaly got a second part. Please try again later. Clicking noise behind glove box I have a clicking noise behind the glove box. It was in the shop because the engine light came on and it was slow when starting and also heard a knocking sound coming from the engine. It could be the timing chain. I noticed it when I pulled into a parking lot and came to a stop the click, click, click ectSeems like it is behind the passenger dash close to the center console. The clicking seems to be coming from the center dash area, from the drivers seat it sounds like it is coming from behind the A/C/Heater control panel, towards the pasg. 1 hours, the whole dash is not coming apart. Hi I've become a knocking / rattling noise from the top of the dashboard when drinving on uneven roads. I have a Meriva 1. This sound is coming from the Passenger side rear of the SUV, behind the 3rd seat and underneath the side window, and behind the plastic panel. When I start and shut my 2011 explorer off. Just like in original second part called meltdown bring us a super fun and intense gameplay using the rhythm based mechanics that has bring this series to the spot light. Does anyone else have this, or does anyone have any ideas of how to easily fix it? Thanks!. After starting my 2005 Cherokee there is a loud clicking sound that comes from the middle area of the dash. it's rather like there's something loose inside the dashboard which keeps knocking somewhere. " Do you mean when the car is off, when the A/C and air are off, when what is off?. Sort of like an engine cooling down. Page 2 of 2 < Prev 1 2. When I opened my door today something was going on cause a loud clicking sound started and it is coming from behind the dashboard. I have recently noticed a knocking noise coming from the front end of my 2011 Jeep, starting at about 30 mph and up to 45 mph. Things that are loose make rattly jingly noises. There is a very irritating fast clicking sound coming from the dash in the area of the glove box, anytime the heat/ac fan is on. Clicking noise behind glove box I have a clicking noise behind the glove box. Akira Tozawa (2018) 2. Man! I have this problem and I have taken the car to the service center, only to be told that it could not be found. I was wondering if anyone else has had a knocking noise underneath the center of the dashboard, down low. The noise 'apparently' stopped, but I rejoiced too soon because it soon returned. (Page 1 of 2). It's an intermittent sound, comes and goes on its own. Any ideas why its so much?. The weirdest thing is that when driving I can swear it's coming from the right side of the dashboard but I ride passenger it is on the left. Roaring noises, are one of the most common sounds a Jeep Grand Cherokee makes from the rear end. I searched the forum and couldn't find anything. Page 1 of 2 - Knocking Noise! - posted in Technical Section For MK1 & MK2: Hi all, wonder if you Pic Gurus can help with a new problem on my 54 1. When I drive short distances it is fine but when I drive for a long period of time about 30 minutes or more there is a loud knocking sound. If it originates from the outdoor unit, chances are you have some kind of debris in the system, such as a twig. It pops about 5 or 6 times and then quits. A repetitive clicking noise from behind the center area of the dash panel is usually caused by a broken stepper motor actuating arm. After the car is started there is a clicking sound coming from behind the center of the dash board, it tends to be intermittent. It used to do it for a few seconds after starting up but now its knocking for most of my trips and gets annoying. After she drove it for a few minutes it went away. The noise really varies quite a bit. Everythings just perfect except for this irritating plastic knockity knock sound which appeared after 400km of driving. My RX400h is coming up to 2 years old and 20,000 miles now. One day i heard the noise and can't even find where is coming from because i opened the hood and nothing, checked under the car and nothing. It happens when off and also when air and a/c are on. Just yesterday my vehicle, per my wife, began to make a loud clicking noise. Only this is different. Hearing a rattling noise coming from your HVAC system could mean a few things. I bought my 2017 TRD OR last August and started experiencing a cluck/knock coming from somewhere behind the dash. The reason this noise occurs is due to the ignition of the air and fuel mixture inside of the cylinder. What would I need to do to get every AC option working and to stop the knocking? My car has 145000 miles. One day my climate control would only blow hot air. Randomly usually after getting gas, the following day on cold start there will be a loud knocking noise coming from the dash. Ticking noise Honda engines Fix Ticking noise Honda engines. Hi I've become a knocking / rattling noise from the top of the dashboard when drinving on uneven roads. When first starting the 05 there is a clicking or knocking for about 10 seconds from the front dash. Meaning, driver side and passenger side temp control. A knocking or ticking noise from your engine is a sign that something is wrong, usually because of a lack of oil. Been that way the two years I've owned the car. It was definitely the a vibration coming from behind the dash panel and the dealer fixed it by taking the dash apart and installing a type of insulating material. It isn't loud and can barely be heard while the radio is on, but it is bothering me. (It's more of a deep and slow, soft knock than. Does anyone have any I fo on a possible service bulletin or recall? With the number of issues I came across in one day of searching I would hope GM would be on top of this.