Cook as in hot or cook as in bubble? A hot battery is either faulty inside or being charged to quickly. A bubbling battery is normal if it bubbling a little bit. The charging process will separate the water into Oxygen and Hydrogen causing bubbles and the electrolyte level to lower.
charging system not charging battery with new batttery, alternator and fuel pump. what will make that happen ?
Yes. The charging causes a chemical change in the electrolyte of the battery.
only if the car your using to charge the other on is not started
No
No.
No
NO your car will run hot and seriously damage your motor, it will also keep from charging your battery. Suggest you take your car to a mechanic for repairs.
Yes, as long as the charging system is is good working order.
No
The battery is hot from charging and immediate heavy use may distort th internal plates.
no