Only if the water restrictor is worn out in the heater core fittings. It is made to slow the water up so it don't make that noise.
The cabin air filter, in your 2004 Mercury grand Marquis, is located behind the dashboard on the passenger side. The air filter is directly behind the glove compartment.
Under the right side of the dashboard behind the glove compartment, the dash may need to be removed from vehicle to be replaced.
Open drivers door and look on end of dash opne glove box and to the left of it there is a compartment pull it out and it is behind it.
It is in the glove compartment, look inside the glove compartment at the top you will see it, press the 2 clips and pull it down at the same time.
behind glove box.
orange button in the glove compartment.
if i am correct i think it is under the drivers seat in that car if not a few other places to check would be behind the glove box, in the engine compartment, or even in the truck on the side walls
some are located behind the glove box
Behind the glove box.
usually it is located underside of the glove compartment on the interior of the vehicle!
The ECU is in the engine compartment on a 2002 Pontiac Grand Am. It is the sensor behind the converter.
behind the glove box