The opposite side of the exhaust pipe. If its dual exhaust, whatever side works best for manufacturing.
the reservoir is on the passenger side of the car. It's a black cylinder with a cap (J30) or a cap and wire (J30t).
The cap is designed to release pressure in excess of designated amount ( probably 15 lbs), but it should release it into the coolant reservoir. Sounds like you need a new cap.
Locate the radiator cap in the plastic reservoir on the right side of the car like at 2pm location (where 6pm is you standing in front of the car.
On a 1997 Lincoln Town Car : The thread on cap on the engine coolant reservoir is the pressure cap / radiator cap
On a 1994 Lincoln Town Car : The thread on cap on the engine coolant reservoir is the pressure cap / radiator cap
On a 1994 Lincoln Town Car : The thread on cap on the engine coolant reservoir is the pressure cap / radiator cap
On a 1997 Lincoln Town Car : The thread on cap on your engine coolant reservoir is your pressure cap / radiator cap
On a 1994 Lincoln Town Car : The thread on cap on the engine coolant reservoir is the pressure cap / radiator cap
Its underneith the car by the transmission pan the cap on the engine block is just where you would fill it.
On a 1993 Lincoln Town Car : The threaded cap on the engine coolant reservoir is the pressure cap / radiator cap
On a 1999 Lincoln Town Car : The thread on cap on the engine coolant reservoir is your pressure cap / radiator cap ( 16 PSI )
On a 1999 Lincoln Town car : The thread on cap on the engine coolant reservoir is your pressure cap / radiator cap ( 16 PSI )