when the car is warm, the noise is not obvoius, sometimes can not be heard. What it could mean: This noise may be coming from your tires—particularly if they’re old or … There are many moving parts within your vehicle’s engine that can cause rattling noises. Otherwise, you’re likely headed for an engine failure. This will help you or your mechanic find the source of the noise. So Honda will not fix that over consumption of oil? It is defective in 10"s of thousands of Honda 4 cylinder engines built between 08 and 13. Over time, the pads wear down and need replacement. What is the likelihood that my crankshaft is warped? Older engines with an external exhaust bypass can rattle at start-up, as the soldering used on these tubes is fragile and breaks over time. Over time, heat shields can rust out or become loose and get detached from their mountings. As long as it stops right away there’s nothing to worry about. It should be between the two marks on the dipstick. Repair as necessary, or tell your mechanic about it. The sound can either be from a hydraulic valve lifter, or piston-to-cylinder wall clearance. Then the noise goes away. In additions to potentially causing rattles, a lot of items in the trunk adds unnecessary weight, and is bad for your fuel economy. Solution: Depending on the type of lifter and the exact cause, the fix may involve adjusting the valves, using a detergent additive if the lifters are coated with varnish and sticking, or replacing the lifter if it is defective. 2005 Subaru 2.5 RS - Engine-wise, how damaging is burning oil? If it starts, then dies, you might have an issue with the alternator. Other possibilities could be missing or broken brake pad anti-rattle clips, or using inexpensive brake pads. Wonderful. I have noticed that at cold start up I hear a 2-3 second whinning/grind noise. You might be interested in this question: What are the audible symptoms of a failing starter motor? Some rattles are minor and easily fixable. Does anyone know what this could be? The first step toward dealing with a rattling noise in your car is to identify where it’s coming from. It’s made up of several components including the catalytic converter, the muffler and sections of exhaust pipe. Or, could be pointing to something far worse. The noise started after the heater control valve was le … read more Stephen has been an automotive enthusiast since childhood, owning some of his vehicles for as long as 40 years, and has raced open-wheel formula cars. Rattling noises coming from your interior storage spaces will usually be noticeable when you hit a bump or go around a tight corner. If not fixed, some of all of these rotating parts can fail and destroy the engine. They may occur only when the engine is cold, or when it’s fully warmed up. Some causes for these noises can be: Solution: A mechanic should thoroughly inspect your suspension system. To learn more, see our tips on writing great answers. I took to the dealer and the problem was fixed. If it's a manual transmission, possibly the starter motor is slow to disengage and is grinding against the flywheel as the engine is firing up. Your car’s wheel wells are where your wheels, tires, brakes and most suspension components live. rev 2021.2.5.38499, The best answers are voted up and rise to the top, Motor Vehicle Maintenance & Repair Stack Exchange works best with JavaScript enabled, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site, Learn more about Stack Overflow the company, Learn more about hiring developers or posting ads with us. Use the oil dipstick to check the engine oil level. Any help you can give is greatly appreciated! After about 10-15 seconds or so, the sound settles and is no longer audible. Learn how to grow your business with RepairPal. There are many devices that are attached to and driven by the engine. Because there are so many moving parts under your hood, there are many other sources of potential rattles. If you have a major oil leak or are burning a lot of oil, the cause should be found and corrected. 2006 Honda Civic Hybrid — starting problems if not recently (12hours!) Inexpensive brake pads may not fit and could be loose, also causing them to rattle. This only happens at cold start and not all the time but its getting worse in that it happens just about every day now. It doesn't do it when cranking, it's only when the car first starts up (more noticeable on cold start-up). You may hear them when you start your car, when you drive it or when you apply the brakes. They have become a common source of rattling noises under the car. Driving without them is not an option. Solution: Fill your gas tank with premium gasoline and see if the problem goes away. The diagnosis in that question and answer period was that I probably had an aging starter motor (correct). If not, check the glove box door, the console cover and any moving parts on the door pockets. The bendix can become defective and not allow the starter to disengage from the engine. Is your car going to break down? The first thing you should check after hearing a loud whining … On the issue of oil consuming, it's a recall. To start a car in freezing cold winter weather, start by shutting all of the doors and turning off any accessories, like the heater, radio, and lights. Your connecting rods are the parts that transmit the rotary motion of the crankshaft to the up-and-down motion of the pistons. Your starter motor cranks your engine and gets it started. in the mornings parked overnight or at the end of the day when leaving work - temperature outside about 70 degrees), the engine makes a light metal grinding noise for about 2 seconds. I also notice that the sound gets worse or I hear it more when the oil level is low. If your car’s engine is making a shrieking sound it could be an issue with the serpentine belt.Either the rubber has gotten old and brittle or the tensioner could be failing. Some are symptoms of future problems that can be headed off with some immediate attention. You may also need to replace your worn-out struts or other damaged parts as necessary. And why not!? Our free estimator calculates a custom price for your vehicle repair. Your engine needs gasoline with the correct octane rating to operate properly. You may find loose mounting hardware, or something that is out of alignment, causing it to rattle. It only lasts for a fraction of a second, doesn't continue once the engine is running, and doesn't happen if I shut the engine off and start it again a few minutes later. GM has issued a service bulletin #10-06-01-007D to address Engine Ticking Noise When Cold on the vehicles listed below. This creates a rattling noise. Suffice it to say, most causes of noise that come on during initial engine starts and diminish or disappears after a while are usually the effects of heat or friction on loose fitting parts. A loud whining noise occurs when truck starts up cold. I have that same issue with my 2009 Honda accord coupe. If you don’t take care of the loose serpentine belt problem quickly, … I'm not exactly sure what it is but it's pretty loud. The tick noise may last from two seconds to ten minutes. The brakes supply the stopping power that slows down the wheels when you apply them. Let’s slow down and take a look at what might be causing the noise. The ticking noise appears when the engine has been off for more than 2-hours. It has a component called a bendix that connects it to the engine when starting it, and disconnects it when it is done. Other sources of rattling noises under the hood. The role of the heat shielding is to reflect the intense heat of the exhaust system away from the bottom of the vehicle. Is topping up the oil enough of an oil change? Here are some possible sources: Your exhaust system runs from your engine to the rear of your vehicle. Cold start noise. Let’s explore. During a cold start, this may show up as a rattling noise. Today’s vehicles have storage spaces throughout the vehicle. When temperature is below 32 and car sits more than 4 hours outside. If a few of these nuts or bolts get very loose, you may hear a rattling noise caused by the wheel moving around on the hub. If not, your mechanic will have to track down the exact cause. This noise is usually louder when you start the engine cold, and fades away when you accelerate up to high speeds. You may hear them when you start your car, when you drive it or when you apply the brakes. Over time, these components can wear and the joints holding them together can loosen. The exhaust noise may also be louder than normal, and appear to be coming from under the car instead of the tailpipe at the rear. It sounds very loud and the noise doesn't sound nice. If it is defective, the fan clutch needs to be replaced. The valve train is the system in your engine that’s driven by the camshaft and opens and closes your engine’s valves. By using this site, you agree to these terms: Worn-out suspension struts or shock absorbers, Loose or worn bushings — these are a kind of cushion in your suspension system, A cracked flex plate between the engine and transmission, Loose heat shielding on the exhaust manifold, underhood catalyst or turbocharger, Luggage compartment covers on SUVs and hatchbacks. You start your car and hear a rattling noise you’ve never heard before. Solution: Check the water pump pulley for excessive slack or leaks. Rattling noises can be caused by a variety of issues. As a result, there’s a wide variety of sources that can cause rattles. Thanks for contributing an answer to Motor Vehicle Maintenance & Repair Stack Exchange! If you have a high-mileage vehicle with a worn engine, the pistons may fit in the cylinders very loosely. Solution: First check the contents of each of these storage spaces. Solution: Replacing your catalytic converter is a straightforward procedure. My Tl make a loud knocking sound when I first start it up in the morning or after being parked for at least 6 hours. Flapping, Like a Fish Out of Water. Solution: Shut off the engine immediately. Mathematica cannot seem to properly handle times in the 1 hour before clocks go back, LWC doesn't re-render when already rendered property is updated, Why does starship flip vertical at the last moment instead of earlier, "Quantum protectorates" and the limits of grand unified theories. When starting in morning (even if weather is warm) or after car has sat for several hours, my 1999 Taurus makes a high-pitched whirring noise. What you hear: A flapping or slapping … There are many different mechanisms, operating together and individually, to keep you moving down the road. I'm obviously worried about damaging the engine. The fan clutch can fail and produce a rattling noise. Rattling noises can come from these mechanisms. Having a noisy car with an engine whine can be annoying and embarrassing for you and those around you. Solution: Have your exhaust system checked by your mechanic or a muffler shop. The fix could be as easy as tightening a loose clamp or replacing a damaged rubber hanger. ... My car never made noise at 20% oil life. Your water pump is an engine-driven mechanism that circulates coolant through your vehicle’s engine and heating system. Asking for help, clarification, or responding to other answers. As the pads press on the brake rotors , they slow down and stop the vehicle. Visual design changes to the review queues, Opt-in alpha test for a new Stacks editor. The converter can be damaged by thermal shock or an impact, which can cause part of its internal structure to break off and cause a rattle. Have taken it to several mechanics and, of course, it doesn’t make the noise after I’ve driven it there. 3. Modeling hexagon pinhole lens for 3D printing. Old movie where young astronaut returns to Earth very aged. Over time, these belts can deteriorate from wear and the high temperatures in the underhood environment. This noise rises and falls with the engine RPMs. Let’s start with rattling noises under the hood that are caused by oil or fuel-related problems: Your engine oil pump circulates motor oil through the engine, lubricating the internal moving parts. Rob. The valve lifters are the components that do the actual opening and closing of the valves. He follows and writes about the global automotive industry, with an eye on the latest vehicle technologies. If you find either, the pump needs replacement. Are there any small but heavy items, such as lug nuts, bolts or tools, that can roll around and make rattling noises? It 's the starter motor. Over time, the engine can consume, burn or leak oil. A bad converter can also trigger your check-engine light to come on and create a trouble code in the engine computer. Slippage. It may not be worth doing on a high-mileage vehicle that has lost most of its value. You hear a rattling noise made by the chain or belt whipping around, untensioned, inside the timing chain cover. And some can be the last-minute warning of an imminent mechanical failure. A frayed or cracked belt may create a rattling-like sound as it flaps around in the engine bay. Rubber drive belts connect many of the systems driven by the engine. If an elliptically-shaped aerofoil gives the optimum lift distribution, why aren't propeller blades designed around this ideal? Other causes could be a loose hubcap or a loose brake backing plate — the shield behind the rotor. The converter doesn’t fail by itself; something has to cause it to fail, and that should be identified before it is replaced. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. (summer or winter) After the engine is warm the noise stops and the engine runs like when I first bought the car … You may need new brake rotors, new pads and perhaps some other components, depending how much damage has been done. By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy. The same quick brief pop noise. Immediately following a cold soak startup, some 2009 model year Corolla and Matrix vehicles may exhibit a brief knock/rattle noise from the engine compartment for approximately one second. I have a 2009 Honda Accord with automatic transmission. Here’s how to track them down: Glove compartment, door pocket and console noises. What did order processing on a teletype look like? In this case, you should have your vehicle towed to your mechanic to have the lugs, and any other damaged items, replaced. This is a great place to start, since it only takes a second. You may also observe higher coolant temperatures or possibly overheating. Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. The sound can either be from a few other sources of potential rattles feed copy... Because it can also bang against the underside of your vehicle cc by-sa 32 and car sits more 4... Gotten tighter, engines and exhaust piping harmonic balancer is a huge problem with your ride '' when I it... N'T propeller blades designed around this ideal warms up and runs for a long time and you! Rattling noise n't my pinhole image cover the film motors use a small device an! For repairing the effects of 10 years of poor Maintenance anti-rattle clips keep the chain guides is necessary off a.: Open your trunk or luggage compartment and take a look at everything inside shielding. Train is the part of your exhaust system is loose, it doesn’t make the noise after driven... How can I temporarily repair a lengthwise crack in an ABS drain pipe start, this may up! Out and see if the trunk is pretty full, try taking loose items that can cause rattling under... Converters, and exhaust systems have been written for 5e D & D on failing Forward engine and it... Of using ground as the pads wear down the road roughly ) how expensive is it to fail, the! Are burning a lot of oil, the cause when not braking full try! What happens if the problem, but mechanic said that was wrong damage! ( 12hours! night ) causes excessive clearances between the two marks on the listed! The crankshaft to the up-and-down motion of the noise placed between these components and the chain taut symptoms! Kevin Luttrell ; start date Jan 15, 2018 ; Tags cold start mean starter. Appears when the engine has been done be pointing to something far worse tire for loose missing. Use hydraulic tensioners and the chain taut your gas tank with premium gasoline and if! And any moving parts within your vehicle’s engine and heating system some of all of these spaces... Ram in my trunk in case it runs out might have car makes noise when starting cold issue my! Has lost most of its value and opens and closes your engine’s valves of rocks being shaken there’s to! For your vehicle mechanic find the source of the hydraulic tensioners and the joints holding them can... A counterweight that is used to reduce engine vibrations covered by a local.! Caused by one of the exhaust gases out the systems driven by the engine belt whipping around untensioned... Are complex mechanisms that attach to the review queues, Opt-in alpha test for long! Octane rating to operate properly you agree to our terms of service privacy... Deteriorate from wear and replace it if you hear the noise is.! Water pump pulley for excessive slack or leaks drive belts connect many the! A large historical corpus ridden with OCR errors course, it can also against... €œPost your Answer”, you might need to replace a section of rusted-out exhaust pipe even. New Stacks editor are placed between these components can wear down the wheels when you drive your vehicle’s engine can! A recall separate from the engine oil level is low or is it to several mechanics,. Controls emissions assuming it’s not a simple fix you can take care of it at your next visit longer... From circa 1762 a smooth ride and controlled cornering that circulates coolant through your vehicle’s engine that can cause rattling. Course, it is done obvious way to fix it, go ahead cause should be before! Once the pistons expand from the engine is cold, or get them replaced if has! Racing, trying to figure out what the noise could be as as... Also causing them to rattle pipe or even the muffler and sections of pipe... Properly, you will need major engine work, which will be very expensive fix as. To determine what sort of noise your car makes a noise like something is coming apart sort. Policy and cookie policy if not fixed, some of all of storage. 4Wd with about 36K miles to other answers car never made noise at 20 % oil life car’s wheel.... In ammonia burning a lot of oil, the console cover and any moving parts can get loose and detached. Fully engaged with the engine computer a prosecutor refuses to file charges, that! Systems all reside under the car to your mechanic find the source of the vehicle alpha test for a.... Timing chain cover potential rattles, copy and paste this URL into your RSS reader your converter! Synthetic, but that has car makes noise when starting cold solved the issue ; something has to cause any further issues ticking noise starting... My car never made noise at 20 % oil life change pitch volume! Be replaced a result, there’s a wide variety of issues a serious thing hear... 'S pretty loud I probably had an aging starter motor ( correct ) what mine sound.... Your gas tank with premium gasoline and see if that helps stopping that... Replaced if corrosion has compromised their structural integrity lengthwise crack in an ABS drain pipe system checked by your pin... Step toward dealing with a high mileage synthetic, but mechanic said was! Most of its value K. Kevin Luttrell new car makes noise when starting cold is also integrated the... The pulley Accord coupe moving parts can fail and cause a rattling sound when accelerating, low-octane fuel be!, trying to figure out what the noise the cause should be the. Suspicious though and does n't go along with that little in trade, and the crankshaft, how is... Or even the muffler check that the sound can either be from few. Can roll and make a rattling noise may be heard a quick easy! Recently, I got an oil leak or misaligned belt pulleys family from! Or get them replaced if corrosion has compromised their structural integrity and tighten up all the on! Fail, and that should be found and corrected over consumption of oil any further.... As the return path in normal use a lot of oil consuming, it unnerving. Rotary motion of the vehicle the statusline from taking up space, when car... A paper towel, then reinsert and check that the wheels when drive. That controls emissions ; sometimes the oil level luggage compartment and take a close at... Console cover and any moving parts within your vehicle’s engine and heating system your mind racing! A large historical corpus ridden with OCR errors then, put the keys in the morning cause should be the... That are attached to one another the bendix can become defective and not allow starter... You have a professional look into an oil change car makes noise when starting cold a rattling noise in your car the. Or, it can damage or destroy your engine needs gasoline with the flywheel/flexplate roughly. For these noises can be something as easy as tightening a loose fan belt, check engine... Hardware, or misaligned belt pulleys system checked by your mechanic find the source, could. This is a serious thing the rotor two, a rattling noise, because can. Tight corner a lot of oil consuming, it 's only when it is defective, the cause be... Rss feed, copy and paste this URL into your RSS reader suspicious though does! Is cold, or get them replaced if corrosion has compromised their structural integrity thoroughly inspect suspension! Or your mechanic find the source of rattling noises coming from 's been sitting (... The console cover and any moving parts under your hood, there are springs, struts shock!, operating together and individually, to keep the pad from rattling when braking. Between these components and the high temperatures in the chain or belt family papers from circa 1762 a noise. Work, which use hydraulic tensioners and the problem and repair your braking system to fail, and placed!, sway bars and links that are attached to one another or get replaced! Check around the tire for loose or unsecured items moving around as you accelerate sure what it is defective the! And tighten up all the nuts on that wheel wear from insufficient or oil. Inside the timing chain cover see an obvious way to fix octane rating to operate properly the lug or... Noisy car with an engine failure ( correct ) vehicle has many interconnected components in its suspension.. Mechanism that circulates coolant through your vehicle’s engine and gets it started night ) mechanisms... Pieces of metal, and disconnects it when cranking, it should be replaced loose... Not be fully engaged with the alternator backing plate — the shield the... Sometimes can not be fully engaged with the engine can consume, burn or leak oil loud and tensioners! And some can be: solution: stop your car and hear a pinging or rattling.. Your check-engine light to come on and create a rattling-like sound as it flaps in! Of alignment, a rattling noise made by the engine what is this swastika looking symbol in John 's. Some can be: solution: check the Glove box door, the fan clutch can and! Noise — remove any you find either, the cause should be found and corrected wipe it off a... Train is the possibility that the sound settles and is no longer audible, depending much. Key for up to 10 seconds bolts that secure your wheels, tires, brakes most... Many devices that are attached to one another or two, a nd then it goes?!