Why does my Acura MDX make a whining noise when accelerating?

A whining sound when accelerating is almost always caused by a bad accessory attached to your MDX’s engine. Here are the most common causes of whining noises when accelerating: 1. Bad Alternator When an alternator is going bad, it’ll often begin to put out a high pitched whining sound. It should also be accompanied by the battery light.

Where do I find the cel code on my Acura MDX?

You can use a generic OBD-II scanner to retrieve CEL faults, but those codes will not be as helpful as the codes stored in the Powertrain Control Module (PCM) module (also known as transmission control unit). A multi-system diagnostic scanner that works on Acura will read fault codes from the PCM module.

What to do if your Acura TL is having transmission problems?

Once the problem is fixed, you can go to Transmission menu > Erase Codes to reset the transmission fault codes. Let’s take a look at common Acura transmission problems. A common problem that affects many Acura (such as TL and MDX) is transmission shudder and vibrations when driving.

Where is the diagnostic port on an Acura?

To diagnose Acura transmission problems, it is recommended to use an OBD2 scanner for Acura Honda Transmission. Locate the diagnostic port under the dashboard on the driver’s side. This is a 16-pin port.

Why does my car make a grinding noise when I brake?

1. Worn-out Brake Pads Worn-out brake pads are one of the reason making grinding noise when braking. If your brake pads are used for quite a long time, the backing plates will gradually lose its material. This causes metal touching other metal, resulting in squeaking noises. Besides, the rotor can also rub the caliper and scrape its meal surface.

Are the groaning brakes a cause for concern?

Are groaning brakes a cause for concern? I had new brake pads installed about three weeks ago, and when I use the brake pedal to stop, the car makes a groaning noise. The mechanic told me that it takes about a month to “break the pads in,” and that after that, the noise will go away.

Why are my brake pads making a squeaking noise?

If your brake pads are used for quite a long time, the backing plates will gradually lose its material. This causes metal touching other metal, resulting in squeaking noises. Besides, the rotor can also rub the caliper and scrape its meal surface. Thus, if you do not replace the pads immediately, your brakes will be severely broken.

Are there any problems with the Acura MDX?

The lawsuit includes owners and lessees of the 2016-2020 MDX and 2019-2020 RDX SUVs, which also happen to be two of Acura’s most popular models. The former has been Acura’s best-seller in the US for the past few years. The lawsuit states these SUVs suffer from sudden rapid deceleration, stalled engines, and even hesitation while accelerating.

Why do new brake pads and rotors make a weird grinding sound?

It’s weird because it doesn’t happen all the time – which leads me to believe that the pads and rotors aren’t damaged. If it happens in wet/cold conditions and only the first time or two of braking then it would make sense. The rotors could get a little surface rust on them in wet conditions if the car has been sitting for awhile.

What kind of noise does a car brake make?

The sound is hard to describe – it’s a type of groaning/grinding, as if rough metal on rough metal. The actual performance of the brakes does not appear degraded when I hear the sound – still a smooth, powerful slowdown, but with the added noise. And the weirdest part is that it doesn’t happen all the time – only sometimes.

Is the Acura RDX a dangerous car to drive?

The throttle-by-wires systems, in other words, are not functioning properly. Therefore, the lawsuit claims the MDX and RDX are defective and dangerous to drive. Has Acura known about this issue?

How to troubleshoot a car that makes clunking noises over?

Make sure that the transmission is in park (for automatics) or in 1st gear (for manuals). Step 2: Place wheel chocks around the rear tires that will be remaining on the ground. Engage the parking brake to the lock the rear tires from moving. Step 3: Raise the vehicle.

Why does my Acura MDX make a rattling noise when I accelerate?

If it causes this acceleration noise on Acura MDX, go to your auto technician. If you have a power loss that accompanies the rattling noise when you accelerate with your Acura MDX, it is conceivable that your turbo is declining and some of its parts are at the end of their life.

Why is my car making a shrieking noise?

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. If the latter is to blame the belt may not have the appropriate pressure applied to it, causing slippage and ultimately ill-mannered commotion.

Why does my rear wheel drive car make a howling noise?

If your rear-wheel-drive car or truck is making a howling sound that seems to be coming from out back, this can be a symptom of a problem with the differential. A variety of noises can be produced by one of these components in different driving situations, from acceleration to deceleration to steady-state motoring.

Why does my car make a squealing sound when I apply the brakes?

If there’s a screeching sound when you apply the brakes it’s a good chance the pads have reached the end of their useful lives. Many are engineered with small metal tabs that rub against the rotor when the friction material is worn away to a certain point. The squealing sound is an indication that it’s time for a brake job.

Where can I find the Acura addicted channel?

Acura Addicted channel is dedicated to helping you navigate in the world of automotive repairs, maintenance and reviews. Here you’ll find both vehicle specific and generally applied videos in English and Russian. You can also follow and communicate with me on Facebook and VK using the icons and links below.

Who is Bogdan on the Acura addicted channel?

To avoid this, cancel and sign in to YouTube on your computer. My name is Bogdan. Automobiles are my passion. Acura Addicted channel is dedicated to helping you navigate in the world of automotive repairs, maintenance and reviews.

What’s the problem with the Acura MDX 2014?

I have had many problems from my 2014 Tech-Entertainment MDX; however, by far the most annoying is the high pitch whine that so many have reported.

What causes a howling sound in the rear differential?

Broken teeth on the axle gear can result in complete loss of power when turning in any direction and eventually reaching a point where the gears don’t engage at all anymore, bringing the car to a complete standstill. There are various situations which can create rear differential noise. For example, howling of gears is a sure sign of wearing.

What’s the difference between front and rear differential noise?

Only difference between a wheel bearing noise and a rear differential noise would be the fact that the wheel bearing noise will change with wheel speed but usually will not change with load variations (accelerations/decelerations) while the noise from a rear differential will change with wheel speed and load.

I have had many problems from my 2014 Tech-Entertainment MDX; however, by far the most annoying is the high pitch whine that so many have reported.

Is it normal to have a high pitch whine?

After driving with this and reading how others have had the same problem on this forum for a year, Acura finally acknowledges IT IS NOT NORMAL. So for all of you who were told it is normal or part of the Direct Injection, it has absolutely nothing to do with either.

Why does my alternator make a whining noise?

Alternator whine is a product of a drop in voltage between the radio and the alternator itself. It is usually way more noticeable on the A.M band of the radio. You’ll hear it match the acceleration of the vehicle.

Why does my 2003 Acura TL intermittently make a humming sound?

Why does my 2003 Acura TL intermittently make humming sounds when the engine is off? I drive a 2003 Acura TL. This has been a great car, but there is one unexplained nuisance: It keeps making a humming sound while the engine is switched off.

Where does the humming sound come from in my car?

The humming sound lasts 5-6 seconds, and it can be 5 to 10 minutes apart. The noise is definitely coming from underneath the car ahead of the rear wheels, not from the engine. I have also noticed that I have never heard the noise in the winter, only in the 70-110F range.

Why does my car make a whining noise when accelerating?

A car making whining noise when accelerating is a sign of a failing alternator, failing automatic transmission, or a failing power steering pump. First start by isolating each problem. Open the hood and start the engine. Have a friend slowly step on the gas pedal.

Is it normal to make noise when accelerating?

There are noises that are normal on acceleration. The best way to know if the noise is normal is simply if you have heard the noise before. You have probably driven, or at least ridden in cars for years.

What to do when your car is making a noise?

First, make sure there is enough power steering fluid in the reservoir. If there is enough fluid use a mechanic stethoscope and listen for noises. Moreover, make sure the power steering belt is not loose and is not worn. Replace the power steering pump if a noise can be heard.

A loose steering belt could be the culprit behind a whining noise when accelerating. When it happens, the sound will occur when you are turning the steering wheels. Tightening the belt will solve this issue. 3. The Power Steering System A leak in the power steering system can start that annoying whining noise.

What to do when your car whines when you accelerate?

You could check whether the problem is in the transmission in the following way. Accelerate the car to speeds at which the whining noise is the loudest, switch to neutral gear and kill the engine. If the noise still persists, then the problem lies somewhere in the drivetrain or transmission.

Why does my Acura power steering make a noise?

Here are some examples of Acura power steering pump recalls and service bulletins. A moan or whine is heard when turning the steering wheel when the engine is cold. There may be air bubbles or foam in the power steering reservoir. The noise usually goes away when the engine warms up.

How do you change a power steering pump in an Acura?

You need two to three hours to change an Acura power steering pump yourself. A brief overview of how to change the Acura power steering pump. Open the hood and locate the power steering pump. Remove the serpentine belt. Remove the high-pressure line from the power steering pump. Remove the return line from the power steering pump.

What kind of power steering fluid does an Acura use?

Remove and replace Recommended Power Steering Fluid Most Acuras use Honda HG Genuine Power Steering Fluid (# 08206-9002), formulated specifically for Acura. Genuine Honda power steering should be used whenever possible.

Why does my MDX make a ticking noise?

Looking to get a used MDX. i read somewhere someone eolved a engine cloicking noise wit new spark plugs and coil packs supposidly it was a misfiring cylinder i have the same problem i wilbe hcanging plugs soon il let u kknow 10w30/40?!

Why does my Acura engine make a ticking noise?

Swapped out the filter and still no change, Sea Foam – no change. Now it sounds like the culprit may be the Mobil1 Synthetic from what I’m reading. I know the lifter has to be dirty. My next step is to change to a thicker oil and away from Mobil1.

What should the oil pressure be on a 3.2 TL Acura?

A very cold climate in winter.The manual for my 3.2 TL recommends 5W-20 for all seasons.It states that 5W-30 can be used if the 20 is not available. However, it should be changed back to 5W-20 at the following oil change.

What does bad power steering pump noise sound like?

An error occurred while retrieving sharing information. Please try again later. WAS YOUR CAR IN ACCIDENT, PAINT THICKNESS GAUGE BY CAR-SYS. PRODUCT REVIEW

Why does my car make a humming noise when accelerating?

What you should know is that car humming noise when accelerating can be due to a lot of factors. Could be from in the transmission area, or problem from the engine. We will be sharing a lot of common problems and causes so that at the end of everything, you will know expertly 4 main reason why car makes humming noise when accelerating.

Why is my Honda Accord making so much noise?

Broken Tail Pipe: The tail pipe comes out of the muffler and exhausts the gases and fumes into the air. A rusted tailpipe will often develop holes or will completely fall off at some point. This will increase the noise levels of the car. Leak in Exhaust Manifold: The exhaust manifold collects exhaust gases from the engine.

Why does my car engine sound louder than normal?

A dirty airflow sensor can result in the wrong amount of fuel going to the injectors, which can result in a rough running engine that will sound louder than normal.

Why does my Acura make a clicking noise?

Just had my timing belt and water pump changed for the second time. I just passed 187K miles so I figured now’s the time. I noticed a clicking noise in the engine now and the mechanic says he thinks it is a noisy valve lifter. He said the oil was black so the lifter might be dirty. I’m smelling something fishy. I was running 10-40 before the work.

Why does my car engine make a squeaking noise?

Engine belts can create a loud, high-pitched squeak or squeal that will drive you and your neighbors crazy. Some engine belts only squeak after you go through a large puddle or if there is heavy moisture in the air, and others squeak constantly.

What does it mean when your car makes noises?

If you own a car, it probably makes noises you can’t identify, but would love to fix. Car noises are not just annoying: sometimes they are a warning sign, like the calm before a storm. Here are the four car noises customers most commonly complain about.