Use a pair of medium sized slip joint pliers, upside-down and tilted slightly to the left, to pull back on the tensioner. You will get plenty of slack and keep all of your fingers.
Serpentine belt See "Related Questions" below for more about Windstar serpentine belts - routing & installation information.
The 2001 3.8L Ford Windstar has a timing chain, not a belt.
The 3.8 liter V6 engine in a 2003 Ford Windstar has a timing CHAIN
your fan belt may be connected to your alternator if so loosen alternator romove belt put new one on and pull alternator back until proper tension is aqquired tighten
3.8litre
The alternator belt is classed as a "stretchy" belt by Ford and is not re-usable.
On a 1998 Ford Windstar : The 3.8 liter V6 engine ( and the 3.0 ) has a timing CHAIN
it's all one belt
The alternator is belt driven off the front of the engine.
Use the seat belt and buckle up.
check your idler pulley and tesioner pulley
Google it.