just put car back together when i rev it. there is a sound comming from the alternator its like theres something in it flying around. bad alternator? sounds like theres a loose wheel in it moving around. its a 95 z28. my volts are right above the red part on the battery level.

 

battery level is in the middle when started then goes down. could it be a bad alternator or maybe a rocker arm cam loose? but at idling it doesnt really make the sounds unless i rev the motor

 

http://s1001.photobucket.com/albums/...t=SDC10655.mp4
sorry no light its dark outside. gonna take the alternator off tommorrow and get it tested.

 

also does anyone know where i can find the waterpump housing bleed screws at look everywhere.

 

If it sounds like something is bouncing around in the alternator there's only one thing to do - take it off and open it up.

 

you know i did loose the bleed screw right by the alternator is it hard to take apart? i know how to remove in i just dont know how to tear it apart..

 

There are like 4 bolts holding it together. Just take them out. I don't see how a bleeder screw got lost in the alternator though, there is no inlet.

 

ok and if the inside looks messed up sould i replace it. i dont really know the internal parts of it

 

If anything is broken inside it's probably the brush holder. Sometimes the plastic breaks and it comes apart inside. If this is the case it's cheap and easy to replace.

If a part of the bridge rectifier is broken, it probably wouldn't be working so that's probably not it.

I could not tell where the sound is coming from in your video but if it is indeed the alternator, my money is on the brush holder breaking.

Are you positive it's coming from the alternator?

 

im pretty positive i got a blast of white smoke that looked to be from the alternator when i started it couldnt tell cause i was in the car. when i rev the motor it makes the sound not making it at idle. got under the car had my brother rev it and it is comming from that area i dont know what esle on that side of the motor would be making that sound.

 

Sounded like valve train to me.

If I were you I would take off that valve cover and inspect the valve train. If something is bad in the valvetrain you could trash the entire motor revving it.

I personally do not think that sounds like anything that would come from the inside of the alternator. Don't even start that car up again until you give it an inspection.

edit: just listened again, didn't sound like the valve train so much. Pull the alternator apart if you are certain that is where the sound is coming from.

 

im gonna try taking belt of tommorrow and starting it real fast to see if i get the sound if i do. i am thinkin the rocker arms need adjusted. the sound seems not to be comming from the heads.

 

Sure there is...air holes right behind the pulley....fans pushes air in and can push a small screw in....

 

Big enough for a bleeder screw? I never looked that closely. Maybe it is.

 

ok so it is not the alternator did the test with the belt off and still making the noise took alternator off and valve cover everything looks good maybe the rocker arms are not adjusted right anyone got any ideas... heres a video, had to do it fast oil was pouring everywhere. and the 3rd lifter has oil shooting out of it. what is this sound?


http://s1001.photobucket.com/albums/...t=SDC10657.mp4