hi folks i was wondering if anyone new which hose was the in and out on a 2003 grand caravan it has a four speed onerdrive. also i am installing a transmission cooler to the system.....any quick suggestions before i undertake this....any would be greatly appreciated

 

I don't know for sure about your vehicle but you can remove the hoses and crank the engine to see which one the fluid comes out of.This won't hurt the tranny,just have someone crank the engine while you watch for fluid to come out of the hose.That hose will be the "out" line.