If the noise goes away, problem solved. Why should Honda now be responsible for repairing the effects of 10 years of poor maintenance? If an elliptically-shaped aerofoil gives the optimum lift distribution, why aren't propeller blades designed around this ideal? Motor Vehicle Maintenance & Repair Stack Exchange is a question and answer site for mechanics and DIY enthusiast owners of cars, trucks, and motorcycles. This only happens at cold start and not all the time but its getting worse in that it happens just about every day now. If it is defective, the fan clutch needs to be replaced. Is topping up the oil enough of an oil change? The converter doesn’t fail by itself; something has to cause it to fail, and that should be identified before it is replaced. Over the past several months, I've noticed a grinding sound immediately after cold-starting the engine. Some causes for these noises can be: Solution: A mechanic should thoroughly inspect your suspension system. Now go for a drive and check whether the noise is gone. This can cause a rattling noise under the vehicle. Get this fixed immediately, because it can damage or destroy your engine. The 2014 Honda CR-V has 18 problems reported for engine rattles on cold start up. Yeah, my car also loses oil quick; sometimes the oil level is below that dipstick line. If you have a timing belt, check it for wear and replace it if you are near the prescribed replacement interval. Over time, the engine can consume, burn or leak oil. Our free estimator calculates a custom price for your vehicle repair. Cold start noise. If you don’t take care of the loose serpentine belt problem quickly, … Does it need a repair — maybe an expensive one? It has a component called a bendix that connects it to the engine when starting it, and disconnects it when it is done. If you detect any movement, get out your lug wrench and tighten up all the nuts on that wheel. If so, remove them and continue driving. If you still hear rattling, there is the possibility that the noise could be coming from something loose in your rear suspension. Cause of ticking noise. Other possibilities could be missing or broken brake pad anti-rattle clips, or using inexpensive brake pads. Use the oil dipstick to check the engine oil level. Then the noise goes away. site design / logo © 2021 Stack Exchange Inc; user contributions licensed under cc by-sa. Solution: With the engine off — repeat, with the engine off — check for excessive play by holding the fan and moving it in and out. The low oil is very suspicious though and doesn't go along with that. The noise started after the heater control valve was le … read more There are springs, struts or shock absorbers, sway bars and links that are attached to one another. Thread starter Kevin Luttrell; Start date Jan 15, 2018; Tags cold start noise; K. Kevin Luttrell New Member. Sometimes it happens if the car is sitting in a parking lot for a long time and then you start it. The repair is less than $500, I don't see these cars being devalued any more than that (unless a catastrophic failure has already occurred). Which was the first story featuring mana as an energy source for magic? ... That is kind of what mine sound like. Sounds like a popcorn pop. Some are symptoms of future problems that can be headed off with some immediate attention. It’s also possible you might need to replace a section of rusted-out exhaust pipe or even the muffler. If you have a major oil leak or are burning a lot of oil, the cause should be found and corrected. The valve train allows fuel into the cylinders and lets the exhaust gases out. Making statements based on opinion; back them up with references or personal experience. If the level on the dipstick is low or nonexistent, add the specified oil for your vehicle until it is up to the full or maximum level. But whatever the source, it should be tracked down and identified before it gets worse. Let’s run down the possibilities. If you have a high-mileage vehicle with a worn engine, the pistons may fit in the cylinders very loosely. 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. The same quick brief pop noise. What is the scope of an unregistered IRB? Keep in mind that the converter itself can be expensive, depending on where you live and how stringent the emissions regulations there are (we’re looking at you, California). Pull out the dipstick, wipe it off with a paper towel, then reinsert and check the level. Figuring this out will help your mechanic pin down the repair — assuming it’s not a simple fix you can take care of. Over time, the nylon chain guides wear and the tensioners can’t manage the slack in the chain or belt. Your engine, transmission and several ancillary systems all reside under the hood. Have taken it to several mechanics and, of course, it doesn’t make the noise after I’ve driven it there. Rod Knock: Worn Bearings. The first thing you should check after hearing a loud whining … Be sure all folding seats are properly latched. This rubber part can separate from the balancer, causing the other parts to make a rattling noise. 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. Here are a few other sources to check: Solution: Inspect these items for loose or missing hardware. Your mind starts racing, trying to figure out what the noise is and how bad a problem it will be. 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. 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. Modeling hexagon pinhole lens for 3D printing. When you turn the key the starter motor turns the fly wheel and then a gear is pulled away … And why not!? Today’s vehicles have storage spaces throughout the vehicle. Your vehicle has many interconnected components in its suspension system. The bendix can become defective and not allow the starter to disengage from the engine. The role of the heat shielding is to reflect the intense heat of the exhaust system away from the bottom of the vehicle. Asking for help, clarification, or responding to other answers. As emissions regulations have gotten tighter, engines and exhaust systems have been operating at higher and higher temperatures. However, engine related startup scary noises are normally more of a rattling sound than a grind... What you are hearing is a defective VTC (Variable Timing Control) actuator, which in part controls the oil pressure. Jan 15, 2018 #1. Your water pump is an engine-driven mechanism that circulates coolant through your vehicle’s engine and heating system. Rattling noises can be caused by a variety of issues. 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. The magnitude of sound can range from a soft squeak to a loud and noisy squeal and it may occur while starting a cold engine or during normal vehicle operation. Car starter motors use a small device called an overrunning clutch, or one-way clutch. Why doesn't my pinhole image cover the film? How to best clean a large historical corpus ridden with OCR errors. Either way, it’s a quick and easy fix. It converts the toxic gases and pollutants in your exhaust gas into less dangerous substances. I have that same issue with my 2009 Honda accord coupe. We just bought a 2013 ford escape and every morning when we turn on the ignition we hear a quick pop noise under the drivers side near the back (I think). A harmonic balancer is a counterweight that is used to reduce engine vibrations. They have become a common source of rattling noises under the car. My vehicle is about 2 weeks old and I have noticed that when the car starts from a cold engine (i.e. If not, your mechanic will have to track down the exact cause. Honda will not fix this problem. Is it a big deal? 2006 Honda Civic Hybrid — starting problems if not recently (12hours!) A frayed or cracked belt may create a rattling-like sound as it flaps around in the engine bay. Mostly this happens when the car is cold, like first starting in the morning. Let’s explore. Thought it was a loose fan belt, but mechanic said that was wrong. Is low or using inexpensive brake pads may not fit and could be cause. An imminent mechanical failure sometimes the oil level is below that dipstick line first, you get a smooth and! Some can be the last-minute warning of an oil leak or are a! 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