Alternator .........
Its the alternator. If its loosing power when your driving it and you got to gas on it to keep her running . Trust me its the alternator. take it to have it checked
I have a auto zone one she gos out every other year . I know the symptoms. A loose belt or bad bearing isnt going to make the lights dim or car die out..
Last edited by -$MOKIN-; 02-26-2011 at 12:02 PM.
be sure to take it to more than one autozone if you do. half the people at those stores either don't know how to use the testing machine, or just wanna sell an altenator. i took a good altenator to four different stores one day and two of them told me it was bad. ended up just being a loose connection at the battery
Trust me bro.....do a teSt on it. I promise you.
Last edited by -$MOKIN-; 02-26-2011 at 07:16 PM.
Is the car auto or manual? possible clutch problems?. But if that noise is at the front of the engine it definitely sounds like a bearing. t-belt tensioner may cause bogging if its bad enough. does the noise change when you rev the engine? and did the noise happen suddenly or slowly get louder?
oo good call there rob, didnt even think about a clutch
push your clutch in and see if the noise goes away, if it does your throw out bearing is going out and your looking at a tranny removal
even if you dont think its the clutch, its a quick 5 second test to be sure, cant argue with that lol
miles mean nothing
even a car with 5 miles can end up with a bad alternator or throw out bearing
if you havent yet, slip the alt belt off like earlier mentioned and rotate the pully back and forth by hand and check for any roughness or wiggle in the pully. that will indicate bad bearings, and the source of your noise.
since it happens even when the car is just idling that takes most of your drivetrain out of the equation, minus the throwout bearing, which you said didnt make a difference, so check anything that moves while the car is stationary, its a pretty short list
also check for stuff like loose heat shields, loose exhaust hangers/bolts etc
past that someone else will have to give more input
*edit*
didnt mean for that miles comment to come off a-holeish, sorry if it did
Last edited by anubis_4_99; 02-26-2011 at 08:57 PM.
the alt can still be making the right amount of power even if the bearings are going out. the only time the alt light will come on is if the voltage drops below a certain point.
i would pull the alt and go have it tested. when they putt it on the machine they spin it as if it was hooked up in your car; so if it makes a godawful noise you found your problem. if you don't hear it have them run it a couple more times since it seems to only happen sometimes.
Last edited by 1813mdw; 02-27-2011 at 01:23 PM. Reason: more
Push the alternator towards the fire wall with the belt off and then get a socket on it
i had to wiggle the alt as i pryed it out. find something to get leverage on the part of the bolt you just pulled the nut of of and push it through. its been in there a qtr century so it'll be i little hard at 1st
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