For me it's sound like you have problems with the right door. Check the rubber/palstic parts around the door.
Front passenger side floor (under the hood)
For 2001 mitsubishi eclipse gt (V6 3.0 liter) the number one cylinder is on the front row the first one on the passenger side.
I have a 99 gs and mine is in front of the passenger rear tire underneath the car.
You should be able to find it under the front passenger seat.
Look under the front passenger seat. My 2001 and 2002 have the amp mounted to the floor under the seat.
I have a 2000 eclipse and its under the car to the left. The oil filter is near the passenger front tire. The transmission plug is on the drivers side so they are hard to confuse.
the 2002 Mitsubishi eclipse gs is a front-wheel drive car. The last version of the all wheel drive eclipse ended 2nd gen.
In front at the left hand side. below the front bumper.
it will be located closer to the passenger front wheel, its synced with the timing belt, so just look for the belts and you should see it.
The Mitsubishi Eclipse has standard hook-end wiper arms on front and rear. See sources and related links below for installation videos.
6.5 in front 6x9 in rear
On a Mitsubishi Montero Sport, the front bottle, or tank, for the windshield washer fluid is right behind the passenger headlight in the engine. It is just inside the passenger front bumper.