Took out the alternator checked it. A bad blower resistor will not make a vibrating noise by itself. Thank you, I really appreciate it. Inspect your engine belts for cracks, damage, and tension, and replace or adjust them as needed. In the second video it's there at 30 sec mark.
It sounds like something rattling. I would find a reputable shop to inspect and properly tension all the external belts This could give you more time before alternator replacement becomes essential. Is there any measures I can take to alleviate this annoying noise at cold temperatures? I had it running while checking the headlights and the tensioner noise has gotten worse. I'm hoping you can help me figure out what this noise is a result of. Controlling this current also controls the main genarator output current. Here's another possibility: the u-joints on the drive line. Since it won't start now… An automotive alternator is a three-phase generator with a built-in rectifier.
Update July 2017: Car was rear ended at speed and squashed into stationary vehicle in front. Once I take my foot off the brakes, the noise stops. I removed the belt to the alternator and the knocking went away. If it is a rod, make sure there is a nob on the end, to stop you injuring by incursion, your ear. The fan blades spinning in air. When the car is in park, I rock the car back and forth and notice a clicking noise, on the drivers side in the location of the differential and drivers side axle where it goes into the differential! Hey everyone, My 02 runner has a knocking noise when I'm in gear and stopped. This is a far less expensive option than having a mechanic diagnose your car's problem.
Under heavy load battery fully flat this noise often becomes very slightly louder, due to increased tension in the drive belt causing increased loading on the bearings and the belt, but it would not normally be enough to notice unless trying… They make no real noise. I haven't had leaking coolant, overheating or steaming so I'm not sure whether it could be the water pump. Thanks for your help, my friend is coming over hopefully tonight to put on my new alternator. Fix the things more likely to leave you stranded first. It is still mostly heard while I take off from a stop.
So, if you hear any noise, I recommend that you go get it checked out. Just this sound coming from my alternator. Replaced front struts, cv axles, motor mounts, but still have the same noise. Did they specify what exactly was wrong with it? Sound is lower but i can definitely still hear the rattle. . It is less noticeable while driving but still there.
I recommend checking your shocks first. I described it the same way to my husband, too. HubPages and Hubbers authors may earn revenue on this page based on affiliate relationships and advertisements with partners including Amazon, Google, and others. It didn't knock at all and ran perfect. Auto store testers are near worthless. I think your inkling to move this up the priority list of repairs is probably spot on. The symptoms of a bad alternator include strange noises, similar to a grinding or whining noise and an illuminated warning light.
Statistics Author Google Analytics This is used to provide traffic data and reports to the authors of articles on the HubPages Service. All the oil levels are fine. It sounds like something rattling. Index Exchange This is an ad network. .
The noise seems to go away for a while. I have fairly new Bosch plugs but I just check them every once in a while ever since I had this issue. I also noticed that the radiator fan runs forever as if the car is overheating with no warning. Nothing else is weird with my car, every electrical works, car starts fine. I found 2 spark plugs that were loose, tightened them up and it's nice and quiet since.
Also if it is the belt and now it sounds better is it ok to still drive my car short distance? Had it checked out and the mechanic was just guessing at what could be wrong, I didn't want to throw money at guesses. Getting it checked out is definitely a good idea. Contribution link on the main page. It is mostly during in-town driving; when I get on the interstate, it seems to lessen. You should be ok driving your car even if the alternator is going bad. If i take a stethoscope to the housing I can hear the rattle pretty good around the middle of the black shroud that the housing bolts into.
If noises are heard or the pulley does not turn smoothly, the bearings are worn and the alternator should be replaced. Make sure your spark plugs are all tight and oil level is correct. I can give you all the advice you want, but at the core of it without popping the hood and looking at it myself, a lot of it is just intuition and experience. When our shop saw new cars with a lot of little problems, it seemed like they were always built on these out-the-door days. Registration does remove some of the ads! Of course there may already be a theory on this but I am too lazy to search for it right now.