Re: Coolant leaking down passenger side...right off oil filter?
Or freeze plug at the back of the cylinder head. If it's the freeze plug, you can see it by looking up from under the truck or you can feel it by reaching behind from the top.
If it turns out the plug is leaking, let me know and I'll tell you how to fix it without removing the cylinder head.
2000 XLT 4WD 4.0L OHV, 5 spd, Alabama Cylinder heads, Delta Cams Valve Train and Pushrods, JBA Headers, KKM Cone Air Cleaner, BBK Throttle body, Dynomax Cat-Back exhaust, Summit Racing drilled front rotors w/ EBC pads, Cobra rear disk brake conversion w/ Hawk pads, 8.8" 4.10 Traction-Lok