If you see any flecks of metal on there, it will probably need to be serviced. You will want to check it for color and metal content. A good place to start would be to check the transmission fluid. Torque Converter The whining noise should go away when you put your van in gear if it’s the torque converter.Ī bad torque converter can cause a whining sound when starting your Odyssey. If it is even a little bit out of alignment, it’ll be enough to cause a whining noise. Or, it could be a situation where it is having a hard time disengaging. Your Honda Odyssey’s starter may not fully engage with the flywheel/flexplate. Here is an excellent page with way more info on the subject. Once a good ground is restored, it should go away. You’ll hear it match the acceleration of the vehicle.Ī corrupted ground wire almost always causes alternator whine to the radio. It is usually way more noticeable on the A.M. Alternator whine is a product of a drop in voltage between the radio and the alternator itself. If your Odyssey’s stereo is making a whining noise, it is usually caused by an “alternator whine” condition. There’s more on how to diagnose a bad serpentine belt in the other serpentine belt section of this article. If your serpentine belt looks cracked or glazed, replacing it is cheap and easy. That sound indicates that the serpentine belt isn’t gripping the pulleys. When you first start your van, the serpentine belt may make a loud and long whining sound before going relatively quiet. Your Odyssey’s serpentine belt turns all of the engine accessories. Here are the most likely causes of a vehicle whining when starting: 1. Whining when starting can be frustrating to diagnose since you constantly have to start and restart your Honda Odyssey to duplicate the conditions that caused the sound to begin with. Here’s how to diagnose a squeaky serpentine belt: ChrisFix(YouTube), Serpentine Belt Diagnosis (this site). It would be obvious when looking at the issue. A bent or wobbling pulley can cause the serpentine belt to make noise. The whining noise almost comes across as a chip or chirp. This is particularly true when you first start the vehicle. When it goes bad, it’ll cause a high-pitched whine or squeak. Your Odyssey’s serpentine belt is responsible for taking the motion from the crankshaft and turning all of your accessories. Worn Serpentine Belt Chirping serpentine belt. The sound could almost be described as “barking.” It’ll be deeper than the sound of a worn serpentine belt sounds. When your Honda Odyssey’s water pump goes bad, it’ll make a squeaking sound. Only the power steering pump will change with RPM or the steering wheel. All of your engine accessories will change their wine depending upon the RPM. Does the sound get louder while turning your Odyssey’s steering wheel? That’s a great indication that it is probably the power steering pump making noise. To determine if it is the power steering pump, turn the wheel left and right with the vehicle sitting. The whining sound should change when you turn your van’s steering wheel or rev the engine. Check the fluid level and fill it back up to the factory fill line. ![]() If it gets too low on fluid, it’ll whine a lot. The power steering pump is a common reason your Honda Odyssey might whine when accelerating. Power Steering Pump A failing power steering pump Unplugging the alternator from the wiring harness should stop the noise. This humming sound will change with the engine’s RPM. ![]() It may also be accompanied by the battery light, depending on whether or not it is putting out the proper voltage.Ī failing alternator can also make your van’s stereo hum while driving. If your Honda Odyssey’s alternator is going bad, it’ll often begin to put out a high-pitched whining sound. ![]() ![]() Here are the most common causes of whining noises when accelerating: 1. Honda Odyssey Whining Noise When AcceleratingĪ whining sound when accelerating is almost always caused by a bad accessory attached to your Odyssey’s engine. Click the links to go straight to that part of the article. There is a sound clip for most of these conditions. Usually only happens when your Odyssey is in gear. Should stop a few seconds after cranking the vehicle over
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