Time for new seals - try LMC truck - they are online
Remove the two screw from inside tailgate area, then carefully unhinge lamp. Bulbs will just unscrew within there plastic holders. Good luck.
If it is leaking inside the car, the heater core has failed.If it is leaking inside the car, the heater core has failed.
If the tailgate is dropped hard it can toggle the locking mechanism. If you don't have a key to unlock the tailgate, you'll have to remove the plastic side of the tailgate (the inside) and flip the locking lever back to the unlocked position. While you have the cover off you might as well put some drops of oil on all of the metal moving parts inside the tailgate.
Remove the long access panel from the inside of the tailgate.Unhook the two metal rods from the handle on the inside of the tailgate.Remove the two bolts from the door handle located on the inside of the tailgate.
A little grease.
On the inside of the tailgate are two bolts. remove them and the taillight will fall out. If you have a bed liner you might have to take it out. On the inside of the tailgate are two bolts. remove them and the taillight will fall out. If you have a bed liner you might have to take it out.
pull down the tailgate and there will be two screaws or nuts on the inside of the tailgate where the light means the tailgate remove them and wigle the light and should come out the bulbs are on the back of the light
the heater core, heater core hoses or heater control valve is leaking
I once had a 1987 that had the same problem! On the inside of the tailgate, at the top ends, there should be a small lever. You can flip them one at a time and it will un latch the tailgate!
It could be that you have a leaking heater core, which resides inside your car. Another give-away for a leaking core would be a sweet smell inside the car and/or a sticky residue on the inside of your windshield.
First you need to remove the trim bezel around the handle on the outside of the tailgate. Then remove the three bolts on the inside of the tailgate,that hold the handle in place. Next remove the latching mechanism rods from the handle,and remove the handle from the tailgate.
No