Full to the level of the lower of the two lines that are molded into the overflow tank.
The description of the symptom could indicatev a head gasket leak allowing the pressure of the combustion chamber to intrude into the cooling system and forcing the coolant out.
Coolant overflowing from a 2003 Cavalier overflow tube usually indicates a blown head gasket. Check the cylinders for proper compression to confirm a blown gasket.
In a 2003 Ford Windstar the engine coolant reservoir is in the engine compartment ( on the passenger side , it's the reservoir in the middle )
it will say low coolant and it means you need to add a mix of 50/50 coolant and water to the overflow.
Low coolant level, air in the cooling system. Low coolant level or a faulty rad cap allowing air to be sucked into the system when it should be sucking in coolant from the overflow bottle.
The engine coolant overflow reservoir is to the left side of the engine compartment. Checking levels, adding coolant, and coolant specifications are detailed and illustrated in the Owners Manual - See "Related Questions" below for more
THATS WHAT THE OVERFLOW/EXPANSION PACK IS FOR. WHEN ANTIFREEZE/COOLANT BEGIN TO BOIL IT EXPANDS AND IT NEEDS A PLACE TO GO. THERE FOR IT GOES IN TO THE OVERFLOW/EXPANSION PACK. THIS PREVENTS DAMAGE TO THE ENGINE/RADIATOR AND OVERHEATING. THERE IS ALSO THE POSIBILITY OF A MALFUNCTIONING SENDING UNIT/GAUGE.
allways add to the overflow bottle not the radiator it is usaly labled on the cap. PS its under the hood
The 2003 Toyota Highlander is a gas-powered vehicle.
The 2003 Toyota Highlander has an inline 4 engine.
The 2003 Toyota Highlander has a 4-speed automatic.
where is the thermostat located on a 2003 toyota highlander