It is due for spark plugs. Now considering a trans fluid change no flush and filter change. Its either going to leave a trail on the outside, or it is migrating elsewhere, which is past the rear seal into the transfer case. There is a reason ford put as many as four different versions of transmissions in some of these f series pickups. Ford Super Duty Maintenance Information This information is specifically for model year 2000, but should be accurate for model years 1999, 2001, 2002, and 2003.
I'm 18% certain that I'm 100% positive that there is a drive shaft that comes off the back of the trans to the transfer case. In a manual tranny you can get away with gear oil, but it is not correct. Some dip sticks not specifically for the 4R70W in a F150 have a cold-fill mark, but mine did not. Under normal circumstances, approximately 4. Wait until 1-2 quarts is filled and then turn off the truck. This is the total amount of fluid that was extracted from the transmission -- almost enough to fill a 5 gallon bucket! Add some fluid if needed, but only a little at a time. If I was coasting along say, in 2nd gear and I slowed down enough and then pressed the gas coming up to a red light that turns green before I can get stopped , and the trans decided it wanted to go into 1st gear, it would shift very roughly.
Pick up a couple quarts of fluid and a filler funnel. This saves some time at the end of the procedure. But all-but-bone-dry when hot and up to operating temps? Not running levels should be higher. You may just need a new pan seal. I know you said you added the pint and later it went low but trust me you probably didnt lose what you think you did.
Tip the remainder of the fluid into the drain pan. Should the trans be consuming fluid? What usually happens is that the pan seal starts to go south and you'll likely see a dirty pan from fluid leakage. This will allow the new fluid to cycle through the system. Fluid was all the way to the top of the plastic on the dip stick. They didn't find anything like that on Wednesday. Well they need to do that, or you need to find a shop that has the understanding of what they are looking for. On that design there is not a rear seal on the transmission and the transfer case is bolted directly to rear of the transmission it is not a divorced design.
I've towed 3 times with this truck. There are myriad web pages on the internet for servicing the 4R70W, as it is the automatic transmission commonly used in Mustangs and in Crown Victorias, but very few resources when it comes to servicing the transmission in a truck. It is a common issue on Ford's to have transmission fluid migrate into the transfer case due to this seal failing. If you aren't seeing fluid on the ground, you may want to check the fluid level in the transfer case. They also looked in the coolant reservoir and the coolant is clean. If anything comes out now, tracer fluid will mark it. The transmission mechanic inspected all the usual places where fluid may be leaking and physically inspected the levels.
Going to take it to a mechanic to have the plugs changed. The 2002 Ford Ranger requires a transmission fluid change every two years or 30,000 miles. The Haynes manual suggests that you drop the transmission pan to replace the fluid, filter, and clean the magnet. Wait for the transmission fluid to finish draining into the pan below, approximately 10 to 15 minutes. This will keep the vinyl hose pointing into the bucket.
But i really doubt thats where its leaking. You may wait 10-20 seconds for the fluid to fully travel through the lines and exit out. This page will be expanded as time permits. This will allow you to have enough to route the other half of the tube into the marked quart bucket. If you can get a helper person, you can probably finish in 2 hours.
Again it is yellow and looks like a top that you would spin. Optional — place the junk cardboard under the bucket so that you do not get any spills onto your garage floor. I was personally frustrated with the lack of any useful information on performing the fluid change procedure, so I researched and researched and put together this guide. And I've read some pretty bad horror stories about the plugs in the 150. Took the truck in yesterday for them to change the plugs. The tip may have had a little drop on it. Got the truck when it was 18 months old and had 24k on it.