that the seal around the pan is comprimised or the transmission seal is comprimised and either one has to be replaced
Yes, overfilling can cause the fluid to aerate which can cause leaks and hard shifting.
on the ground, if it tranny leaks
Oil leaks in trucks or any vehicle can result in loss of lubrication for the engine, and results quickly in damage to the engine. Similarly, transmission or brake fluid leaks are also very damaging to the operation of the vehicle. So, if a leak starts, you need to get it fixed.
You replace the radiator
The fluid level in a transmission will not change unless it leaks.
well...a wrench and you. The 2000 Passports don't have a dipstick to check the transmission fluid like you'd expect. To check the transmission fluid you have to get under the vehicle. On the transmission fluid pan there is a fill plug. Take out the fill plug (with the engine off) and using a syringe inject fluid in the hole until is leaks out. Then start the engine let it run a few minutes and put more fluid in until it leaks out again. Put the plug back in and PRESTO! :P
sounds like automatic transmission fluid
The transmission needs fluid to propel the car. If there's no fluid, you're going nowhere. Fill it up, and find the source of the leak. It could be a transmission seal, or maybe it's as simple as a damaged line from the rad. Don't try to move the vehicle at all until the transmission is full of fluid. You could burn out the transmission, causing a very costly repair.
Some have an internal transmission cooler & extra small internal radiator for that purpose.
not always, but most times, yes. it will ruin the trans fluid pump.
You can't it is a sealed transmission. If you have no leaks then all if fine.
Replace the front seal which is located by the spline.