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Posted by slider85, Aug 26, 2005
Newbie Forum - Beginner/newbie/general DSM modification questions. First mods, how to run 10's when you haven't run 12's yet, any tech question that doesn't fit in another tech forum.
Or you may want to try and adjust the belt if that may help any, but ya if you're requesting more power thanthe alternator can charge, then there will be an overload on it and drag it down, causing an increase in the noise. same thing happens when you turn your wheel with the power steering, it'll increase in noise when it has that load put on it.
Hope this helps
Is your battery light on?
If you pull the terminals off of your battery while the car is running, does it change anything?
If any of the above is true, I'c look into getting a new alternator. Otherwise you might just be putting too much of a load on your atlernator at idle.
I have tried with a 90amps alternator but it didn't work... Now, I get back to the OEM mitsubishi alt of 75amp (remanufactured), but still squealing. I noticed that when I adjust the belt and I left it more tightened it stop squealing but I also know that getting the belt too tightened can damage the alternator...
If you find out how to stop the horrible squeal, please let me know... I am also very desperate with that thing...
PS: my car doesn't have any charging problems... I am reading 14.3-14.5volts. No bat lightbulb, any problem at all...
Any grinding noise (like a bad water pump) means the alternator is on the way out. The reason why your car is slower when you are using it is because the more amperage you pull, the harder it is to turn the alternator. It robs power from the motor just like AC.
My car doesn't feel slower, but the squeal noise of the alternator (or alternator belt, i am not sure ) is uggly!!!!
So, this squealing noise is normal on DSM??? is there any way to stop the squeal???
Thanks in advance
does this mean that i have a bad battery or the alternator belt is to tight?