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Car Forum / Driving, Maintenance, Tuning / Maintenance and Repair / December 2006where is this humming noise come from
The noise comes and goes, but now often I can hear it. Where does it come from? Here are some info that could help: 1) It usually hum when it's cold 2) It hums when the car is standing still (transmission in drive, but I brake to stop). 3) The humming noise changes a bit (louder/softer) when I turn the steering a little. Usually, from straight steering, if I turn over, the noise get louder, even though the car is not even moving (engine runs, transmission in drive, but brake on). I originally thought it's the the belt. However, I don't see the connect between the belt and the steering wheel. I thought it maybe the transmission (something in there), but put to park and the noise is still there. One day, I heard a quick hissing noise, and then the humming when away. I originally thought it's so bad that I have to have it fixed, then when the noise go away, I thought maybe something stuck and now released. However, this noise came back. So, if not the belt, it can also be the gas pump. I had a car with noise, then the pump went bad. However, I still don't know how the steering has something to do with this. So, could it be the steering pump (is there such a thing?), like the oil pump for the steering? I don't know. What do you think? Yes, this certainly sounds like the power steering pump. http://ironlizard.blogspot.com > The noise comes and goes, but now often I can hear it. > [quoted text clipped - 24 lines] > > I don't know. What do you think? To elaborate: The power steering pump is driven by the belt in your car and when your turn the wheel, pressure increases causing your straining pump to protest with this groaning sound. If you look around at the items attached to your belt, you should see one with a resevoir (bottle) attached. On this resevoir there will be a cap you can remove to check the power steering fluid level. Simply adding fluid (if it's low), will often quiet the pump.Otherwise you'll be having a new one installed soon, or driving without power steering. > Yes, this certainly sounds like the power steering pump. > http://ironlizard.blogspot.com [quoted text clipped - 26 lines] > > > > I don't know. What do you think? vdu-is it you humming or a vehicle. If it is a vehicle does it have a year, make, model, engine size. If its you humming, maybe you could join a band. jp > The noise comes and goes, but now often I can hear it. > [quoted text clipped - 24 lines] > > I don't know. What do you think? :-). I didn't put down the info because thinking the problem is more generic. But you're right. The more info, the better to diagnose the problem. Here they are: Chrysler, Town & Country. 2003. 3.8L. Looking at the oil. It appears to have enough oil. However, the color appears to be dark. I'll see if the oil is getting old and change the oil and see if that helps. > vdu-is it you humming or a vehicle. If it is a vehicle does it have a > year, make, model, engine size. If its you humming, maybe you could > join a band. jp vdu-sorry about my earlier response-didn't want to sound like a wise *^# but...some makes and models come with their certain glitches, quirky issues. I myself specialize in Chevrolet Blazers and thought that if yours was one of these-that may have prompted a certain response. Anywho....good luck with your issue! Merry Christmas!(not politically correct but...)jerry@peru-motors.com! ps as to your problem....when it makes this noise, raise the hood and try to locate the noise. Possibly taking a 3 foot section of rubber hose(or equiv.) and carefully listen to find the source of the noise. Sounds like your on the right track but could be the fuel pump also which will be in the gas tank but your sound chase will end up there! Good luck...power steering pump sounds like a good possibility! > :-). > [quoted text clipped - 11 lines] > > year, make, model, engine size. If its you humming, maybe you could > > join a band. jp |
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