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On a 2003 Ford Explorer : The thread on cap on the engine coolant reservoir is the pressure cap / radiator cap
The oil in a 1993 Isuzu Rodeo is put into the reservoir that is located on top of the valve cover. There is a cap that has to be rotated to remove it.
On top of each spark plog. The ignition coil is inside the distributor behind the cap. Remove the distributor cap screws, remove the cap and you will see the coil.
On top of the radiator.
It's located on the left side of the engine. near the motor oil cap and spark plug coils.
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 "
Next to the oil cap under a black guard.
The ignition coil should be inside the distributor behind the cap. Remove the distributor cap screws, remove the cap and you will see the coil.
no cap, there is only a cap on over flow coolant tank. to add coolant add to tank make sure it is at the right level when cold.
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
under the passenger side rear hub cap ...... huh?
On a 2003 Lincoln Aviator : The thread on cap on the engine coolant reservoir is the pressure cap / radiator cap