News Summary: Agency probes Porsche over coolant

News Summary: US safety agency probes Porsche 911 for coolant leaks that can cause mayhem

SPILLOVER: U.S. safety regulators are investigating coolant leaks in Porsche 911 sports cars that could cause roadway spills and send vehicles careening out of control.

COOL CARS: The National Highway Traffic Safety Administration said the probe affects about 10,000 models with the GT1 engine from the 2001 through 2007 model years. Porsche says it just learned of the investigation and is cooperating.

HOLD ON, SLICK: The agency said that a hose fitting can fail and cause rapid coolant leaks without warning. The coolant can cover the road and cause drivers to lose control of their cars. The agency says it has 10 complaints of coolant leaks.