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Car Forum / Driving, Maintenance, Tuning / General Car Topics / March 2005Screeching Noise - Alternator?
I'm wondering what the screeching noise I hear from under the hood of my Mazda Protege is. It is not always there but it is often there when I first start the car up and it is wet outside. I also notice it increases in frequency when I add electrical load to the car (turning on fan, headlights). Is this the alternator itself ( bearings going bad) or is the belt loose or both???? Very confusing.  SignatureJim Craib >I'm wondering what the screeching noise I hear from under the hood of my >Mazda Protege is. It is not always there but it is often there when I first >start the car up and it is wet outside. I also notice it increases in >frequency when I add electrical load to the car (turning on fan, >headlights). Is this the alternator itself ( bearings going bad) or is the >belt loose or both???? Very confusing. Hey, here's an idea.... CHECK THE BELT! Raymond Sirois KU2S SysOp: The Lost Chord BBS 607-733-5745 telnet://thelostchord.dns2go.com:6000 >I'm wondering what the screeching noise I hear from under the hood of my >Mazda Protege is. It is not always there but it is often there when I first >start the car up and it is wet outside. I also notice it increases in >frequency when I add electrical load to the car (turning on fan, >headlights). Is this the alternator itself ( bearings going bad) or is the >belt loose or both???? Very confusing. If you are confused, find a person who isn't, and have your belt checked. If that doesn't fix it, then that same person will most likely start looking at the items supplied by the belt. hth, tom @ www.CarFleaMarket.com Normally that means the belt is loose or polished up so it doesn't grab any more. I polish mine all the time because i take my Jeep off road. Mud is liquid sandpaper. I test mine by taking the cold off engine and seeing if I can hand slip the alternator pulley. If I can had slip it and the belt appears tight, it is time for a new belt. Mike 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 88 Cherokee 235 BFG AT's > I'm wondering what the screeching noise I hear from under the hood of my > Mazda Protege is. It is not always there but it is often there when I first [quoted text clipped - 5 lines] > -- > Jim Craib Mike, Thanks for the advice. I figured it was the belt but it's pretty hard to get to the belt on this vehicle. Unlike my old Ford Ranger where it was easy to fix the problem, this one is a bit more challenging for an amateur mechanic. Oh, and thanks for not being a smart a.s like the previous responders. Jim > Normally that means the belt is loose or polished up so it doesn't grab > any more. [quoted text clipped - 19 lines] > > -- > > Jim Craib >Mike, > >Thanks for the advice. I figured it was the belt but it's pretty hard to >get to the belt on this vehicle. Unlike my old Ford Ranger where it was >easy to fix the problem, this one is a bit more challenging for an amateur >mechanic. I think the goal of auto manufactures is to make the standard 'belt-job' differcult for the average amateur mechanic. So yes, you are like most of us, doomed to getting your car to someone and wasting time, that could have been spent doing the work yourself saving money. Good luck in your adventures. >Oh, and thanks for not being a smart a.s like the previous responders. I only saw one smart a.s response, wait did you me too!!!! I'm gunna cry. :( later, tom @ www.Love-Calculators.com >Jim > [quoted text clipped - 23 lines] >> > -- >> > Jim Craib Some people just don't have any respect.. -- Mar |
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