On a 1998 Ford Expedition :
The thread on cap on your engine coolant reservoir is the pressure cap /
radiator cap
On a 1998 Ford Expedition : The thread on cap on your engine coolant reservoir is the 16 PSI pressure cap / radiator cap
On a 1998 Ford Expedition : The thread on cap on your engine coolant reservoir is the 16 PSI pressure cap / radiator cap
The cap isn't mounted on the radiator. It is mounted on the overflow tank on the driver side of the engine.
The radiator cap is on top of the radiator.
On a 2002 Ford Expedition : The thread on cap on the engine coolant reservoir is the pressure cap / radiator cap
On a 2001 Ford Expedition : The thread on cap on your engine coolant reservoir is the ( 16 PSI ) pressue cap / radiator cap
The thread on cap on your engine coolant reservoir is the " radiator " cap
On a 2001 Ford Expedition : The thread on cap on your engine coolant reservoir is the pressure cap / radiator cap
On a 1998 Ford Taurus : The thread on cap on the engine coolant reservoir is the pressure cap / radiator cap
On a 1998 Ford E-150 : The thread on cap on your engine coolant reservoir is the pressure cap / radiator cap
The thread on cap on your engine coolant reservoir is the " radiator cap "
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