On a 2004 Ford Explorer :
The 4.0 liter SOHC , V6 engine ( and the 4.6 liter V8 )
Came from the factory with the Motorcraft BXT-65-650 battery
( that's BCI group size 65 , and 650 cold cranking amps )
You can view the 2004 Ford Explorer owners manual online at : www . motorcraft service . com ( no spaces ) Click on Owner Guides
It could mean that you need Transmission Fluid.
If you have the owner's manual, it usually says what kind of oil you need in there.
might need to check your engine soon
Unfortunately you need a special tool for the 2004 ford explorer auto tranny. the tranny is sealed. even jiffy lube or ez lube cannot perform this task. your local dealership or aamco must service the tranny.
need to find the fuel filter on 2004 explorer
sounds like you need some freon.
need to know where transmission plug is for a 2002 ford explorer?
What type of transmission fluid do I need for 94 ford explorer
Your Pinion seal on the drive shaft and rear differential need to be fixed.
2 if it is not a huge color change and you know what you are doing.
It has no governor. Speed is computer controlled. That speed is way more than you will ever need to drive this vehicle.