The starter may not be fully engaged with the flywheel/flexplate. If this does stop the noise, there’s more on this directly below. This is a great place to start, since it only takes a second. The radio can accept interference and cause noise when starting the vehicle. When a serpentine belt stretches, it doesn’t grip the accessories that it is turning as well. As they go bad, they begin to glaze and stretch. Your CR-V’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 the vehicle to duplicate the conditions that caused the sound to begin with. There’s more on this in the whines while starting section directly below. This is particularly true when you first start the vehicle. When it goes bad, it’ll cause a high pitched whine. Your CR-V’s serpentine belt is responsible for taking the motion from the crankshaft, and using it to turn all of your accessories. It’ll often sound like a deeper whine than a bad alternator. When the 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? 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. You need to check the fluid level and fill it back up to the factory fill line. If it gets too low on fluid they’ll make the it’ll whine a lot. The power steering pump is a very common reason why your Honda CR-V might whine when accelerating. If not, it may not be the alternator making your CR-V whine, although it doesn’t rule it out entirely. It should also be accompanied by the battery light. When an 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: Honda CR-V Whining Noise When AcceleratingĪ whining sound when accelerating is almost always caused by a bad accessory attached to your CR-V’s engine. If it stay constant as you rev the engine it’s going to be something else. With that in mind, this page is divided by when you hear the whining noise, and common causes under those conditions.īefore you go any further, is the whining noise constant when you rev the engine? Or does it not change with engine speed? If it changes with the engine, it’s most likely going to be an accessory bolted to the engine (or the radio, shut it off and see if it stops). The likely cause of whining noise will be determined by when you hear the noise, and under what conditions If your Honda CR-V is experiencing a whining noise, its is often going to be caused by something in the engine compartment.