The water inlet or gooseneck has cracked or worn thin if its a 2.4 The o ring may be bad also.
The ENGINE coolant reservoir is on the drivers side of the engine compartment next to the firewall
The engine coolant reservoir is in the engine compartment , on the drivers side , near the firewall
there are freeze plugs on side of engine if the leak is at the front, check to see if coolant is leaking from water pump and running down to bottom of engine
its on the drivers side head.
At the under side of the radiator on the drivers side.
A poor seal or a split.
If that water is engine coolant, the heater core is leaking.
This is an easy one... Is the fluid green? if it is, it's coolant.. if not, its brake fluid.
REMOVE ALTERNATOR FROM DRIVERS SIDE OF ENGINE BLOCK.
drivers side of engine block
Freeze Out plug, cracked block or waterjacket.
On the 2002 4.3L engine the coolant temp sensor is located on the drivers side cylinder head between the #3 and #5 spark plugs.