Model Years Affected: 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
Engines Affected: 3.0L 6 Cylinder, 4.4L V8, 4.8L V8
Average Mileage: 60,061 mi (10,400 mi - 155,000 mi)
An engine coolant leak may develop from the expansion tank resulting in engine overheating. When a cooling system component fails the entire cooling system should be inspected. It is not uncommon to find additional component have failed or are leaking.
Overheating can cause severe engine damage. If the engine begins to overheat it is recommended to stop at the first available location and have your vehicle towed to a repair shop.
Expansion tank was cracked. I purchased a new one and installed myself (very easy) and solved the problem. If only all of the other fluid leaks on this car were this simple....
Large crack. Dealer fixed for free.
Expansion tank cracked causing loss of coolant and subsequent overheating. Possible major engine damage.