Ok, so I'm new to the Forum so I'll try to make this short. Last Sundy I was driving my '02 F250 SD. I was going up an incline on I80 in Vallejo and suddenly the tach went up to 4K and I started slowing down. Ipulled over to the shoulder and put it in Park. I then put it in Drive and it didn't moved. I tried all forward positions and nothing. I need to mention that for a while now, if I don't let the truck warm up for at least 10-15 minutes, it barely moved forward or reverse. After it warmed up, it moved just fine. My question is, does this sound like a Torque Conveerter or the Pump? I checked the fluid level and it's fine and the fluid is pink and there's no burnt smell to it. Any help would be more than appreciated.