What are the signs/symptoms of:

1. Clutch going out?
2. Alternator going out?
3. Cracked head/manifold?

Got some crazy noises coming from the 'ol X these days. Wish I had some way to video them (without wind noise from driving).
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2004 World Champ - 4x4 Man Trans - Silver - 3"SL+2"BL - Revolvers - Rancho RS9000XL's - Rancho RS5000 stab w/IAB - ARB rear locker - 34" BFG MT's Soft 8's - Blood red Shrock Sliders - Mean Green 180A - Optima 31 Bluetop - U-bolt skids - Hz+dB's