First of all, top of what??? If the radiator is what your are talking about then several things can cause it..from something as simple as a radiator cap to thermostat to a water pump, or even a bad hose..
Overheating can be caused by several issues. Low on coolant, leaks (internal or external), clogged radiator, bad thermostat, etc.
Search Dodge Charger Questions
Dodge Charger Experts
Find great deals from top-rated dealersTMSearch
Related Models For Sale
Used Cars for Sale