Simply make sure there are no obstrutions to the air flow thru the radiator, check the thermostat operation by dropping in hot water heated just past the operation temp of the thermostat or change it out, make sure the fluid level is topped off and that should be it.

__________________
Jerry

2004 SL500 Black 55K Miles
2002 s500 Black 90K Miles
1986 300E Gold 233K Miles
1966 Twin Cessna 320D
1989 Jeep Cherokee 233K Miles
1994 Ford Van E150 399K Miles