You don't; they are non-serviceable. You get to replace them instead, along with the control arm because it's all one piece.
Most ball joints are greased with a grease gun with a good quality grease.
Maybe 2. Upper balljoints onlythe answer is wrong
No, the door on a 1998 Ford Explorer will not fit a 1992 Ford Explorer.
The original parts had no grease fittings.
No, no grease fitting.
No
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A 1998 Ford Explorer uses refrigerant 134a
HDF Explorer was created in 1998.
Apsolutley not In 2005 ford changed the entire front end Tie rods, balljoints, knuckles, dampeners etc. In the 2005 models the balljoints are very beefy and rarely fail. It would be nice thou because the 1998-2004 model balljoints suck and wear out quickly. Sorry for the bad news. Now you know. Powerstroke57