Check your head gasket. In addition, if your head gasket is bad or in need of replacing have your heads check for any cracks in them.
For the 1999 Ford expedition it is recommended that you use the Ford Premium engine coolant which is green in color. You should not use the Ford extended life engine coolant which is orange in color.
On your 1999 Ford Expedition : The thread on cap on your engine coolant reservoir ( located at the front of the engine compartment , on the drivers side ) is the pressure cap / radiator cap
According to the 1999 Ford Expedition Owner Guide : It came from the factory with a 50 / 50 mix of distilled water and GREEN color antifreeze ( meeting Ford specification ESE-M97B44-A ) in the engine cooling system
where is located ford expedition 1999 relays
Bad head gasket , warped or cracked cylinder head
My alarm in my 1999 Ford Expedition won't disarm. What do i do.. Lynn
5W-30 ( according to the 1999 Ford Expedition Owner Guide )
5W-30 ( according to the 1999 Ford Expedition Owner Guide )
No , a 1999 Ford Expedition has ( 5 ) lug rims
5 per wheel on the 1999 Ford Expedition
According to the Owner Guide , it originally came with a 50 / 50 mixture of Ford Premium engine coolant ( green color ) and distilled water The Owner Guide shows not to use Ford Extended Life coolant ( orange in color ) and DO NOT use Dexcool
No , the 1999 Ford Expedition has ( 5 ) lug rims