I CHANGED MY 3 FAN BELTS, ALL DONE UP NOT TO TIGHT, NOW ITS GOT A NOISE? WHY I DRIVE OVER 1500 REVS EVEN IF I LIFT OF THE GAS NOISE GOES AWAY, SO I TOOK OF AIR-CON BELT, DROVE IT NOISE STILL THERE, THEN TOOK OF ALTERNATORS BELTS OFF, DROVE IT SAME NOISE! ON INSPECTION OF WATER PUMP I SAW SOME BROWN ...