It's probably the same as 2001 Montana. From under the van it can be seen just above the point where the floor pan slope goes straight up. It's a little right of center. The heat shield may make it hard to see as the drain is less than 1 inch long and sticks straight out.
how do you change a battery on a 2002 Pontiac Montana
Where is the heater core for a 2002 pontiac montana
the 2002 Pontiac Montana came with a 3.4L engine.
2002 Montana Seat Repair
Where
on the driver side ...reach ya hand up under and you should feel a butterfly type bolt.
How to disengage Pontiac Montana 2002 anti-theft system
2002 Montana holds 4.25 Litres including the oil filter.
p215/70R15
Pontiac does not use inertia/reset switches.
you cant
The gas tank in my extended 2000 Pontiac Montana is 25 gallons. I would imagine the 02 is the same.