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My 04 Z51 convertible has started making a noise. Hardly noticable without the top down. First and most pressing is: I have a auto, pulling away from a stop light or stop sign it sounds almost like a mix betwenn a klunck and a grinding( very light and soft, like sand paper). I cant nail it down because the car has to be moving.

Second charge system fault has shown up 3 times since I took it out of winter storage. I did my storage right and redid all my consumable fluids even kept a battery tender plugged in. The battery voltage takes about 10 minutes ( driving or idling) to reach betwenn 14.1 to 14.4. It starts up and the voltage is at 13.7-13.9. Does this mean my alternator is going bad or my battery?

Thank for your attention and replies.:thumbsup:
 

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When you say that you changed all consumable fluids, is that including the rear diff fluid??
 
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