The 2003 Ford Expedition has the Coil On Plug ( C.O.P. ) ignition system so
there is no distributor or distributor cap
It has ( 8 ) individual coils for the ( 8 ) sparkplugs
On top of the distributor. Follow the spark plug wires. They lead to the distributor.
Absolutely! It's a common problem.
On a 2003 Ford Explorer : The thread on cap on the engine coolant reservoir is the pressure cap / radiator cap
On top of the distributor cap.
No
The thread on cap on your engine coolant reservoir is the " radiator cap "
Overflow tank only
You need to find TDC then remove cap and see where rotor button is pointing.
On a 2003 Ford Thunderbird : The thread on cap on your engine coolant reservoir is the pressure cap / radiator cap The engine coolant reservoir is in the engine compartment , on the drivers side of the engine compartment , near the firewall . You can see the cap on the reservoir through a hole in the " trim "
There is one but underneath the frame on the radiator.
In a 2003 Ford Focus : The engine coolant reservoir is on the passenger side of the engine compartment ( it has a thread on pressure cap )
On a 2003 Ford Ranger : Since you are asking this question I assume you have the 2.3L Dual Over Head Cam four cylinder engine . In this case the thread on cap on the engine coolant reservoir is your pressure cap / radiator cap The 3.0L and 4.0L V6 engines have the radiator cap on top of the radiator