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It's a sign that the blower motor is going to give up. It could sound like that for a whole year before it does completely.
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∙ 11y ago
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What causes a high pitched whistling sound to come from the water pipes near the water heater and and pressure valve when a tap is turned on?
Air causes the whistling noise. I'm currently on a quest to eliminate the problem in my house (just had new water heater installed about a month ago, sounds like a choir of banshees when the water's running, toilets are flushed, washing machine or dishwasher are running,, etc.) When I figure out how to get the air out, I'll post a follow-up. In the meantime, at least you know what it is!
What causes a whistling sound in the head?
Blood coursing through the ear or eardrum
What causes a whistling sound in a Camry Toyota after turning off engine?
The Camry could have a vacuum leak. If there is a vacuum leak, then there can be a whistling sound until the vacuum system is full of air.
What causes a whistling sound by the front wheel while driving?
Possibly a bad wheel bearing.
What causes a whistling sound when driving but stops when the brakes are pressed?
The whistling sound made by your car could be caused from brake dust. Another reason may be from a bad wheel bearing that needs to be replaced.
What causes a whistling sound when idling but stops as soon as you press the gas?
Your engine probably has a vacuum leak
What is the rap song that has the whistling sound?
There It Go (The Whistling Song) by Julez Santana
What is the sound of thrushes called?
whistling
What is the reason of whistling sound?
when my bike stand outside at 60°c a whistling sound comes from fuel tank cap. could you tell the reason?
What would cause a humming sound when car heater is turned on high?
The motor which blows air through the vents.
Is whistling an example of onomatopoeia?
No, whistling is not an example of onomatopoeia. Onomatopoeia refers to words that sound like the noises they describe, such as "buzz" or "bang." Whistling is the actual sound produced by blowing air through pursed lips.
What causes a whistling sound from under the hood when gaining speed on a BMW 3-Series?
You could try a new alternator and check fan belt tension.
