Well to start of i have 99gst bpu, i recently had my alt belt come off, i loosened up the alternator put it back on perfectly, tightened it locked it up.(have a new belt in the mail) Start my car and it starts but now their is this horrible sound that is coming somewhere between the belts and it comes and goes (im guessing every time the belt makes a full revolution) it makes this sound. Its sound as if i through a little rock in a fan for a few seconds then goes away/ over and over. I think i may have over tightened the belt?!? Secondly after letting the car idle and taking a vid of this the car leans out and goes under 500rpms and just studders to keep it going. This happens over and over everytime i start it. I have no leads to what this could be. The engine does not knock its clean. What could be happening? please give me some feedback guys, i greatly apprecaite it! THanks alot!
Bad noises/ not engine knock/ please look! Legit thread
Grape peeler
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181 Posts
Well to start of i have 99gst bpu, i recently had my alt belt come off, i loosened up the alternator put it back on perfectly, tightened it locked it up.(have a new belt in the mail) Start my car and it starts but now their is this horrible sound that is coming somewhere between the belts and it comes and goes (im guessing every time the belt makes a full revolution) it makes this sound. Its sound as if i through a little rock in a fan for a few seconds then goes away/ over and over. I think i may have over tightened the belt?!? Secondly after letting the car idle and taking a vid of this the car leans out and goes under 500rpms and just studders to keep it going. This happens over and over everytime i start it. I have no leads to what this could be. The engine does not knock its clean. What could be happening? please give me some feedback guys, i greatly apprecaite it! THanks alot!
Joined
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546 Posts
^Agreed. Probably got a bad bearing in the Alternator, due to a snapped belt, or a belt skipping, or erosion inside the alternator, or debris inside it.
Was your alternator showing any sings before, was it loose or was anything out of the ordinary when the belt broke? Did you notice something during the replacement?
Was your alternator showing any sings before, was it loose or was anything out of the ordinary when the belt broke? Did you notice something during the replacement?
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