The serpentine belt runs all the external components (A/C compressor, power steering pump, alternator, water pump, and possible others). It has one pulley on it that is either spring-tensioned, or has an adjusting bolt. To replace the belt, you must release the tension of the belt by using a ratchet or belt tool on the tensioner pulley to take pressure off the belt, or loosen the adjusting bolt if that is what you have. The new belt must be routed correctly in order to fit properly and ensure that all driven components rotate the correct way. You are not saying what engine size your Jeep has, but I'm assuming the 4.0L six-cylinder. If that is the case, the belt routing diagram is shown below to assist in proper positioning of the replacement belt. "CS" is the crankshaft pulley.
wrong, its a 1993, it has no tensioner. spring loaded in 1993, it did not.
why not read the correct FSM 1993 , for XJ
this is Tami's second post but adds the word
country.
and still fails to say what size engine
its not a grand Cherokee.
see my other post to tami,
with fSM real
and page
and 2 photos showing your way is wrong.
thanks for trying,...
try this.
the p/s has the adjuster there are on SPRINGS in 1993 ,
the tension is huge, 
facts all.
the fsm has the full facts even where to place the special tension gage.
here is mine....http://www.ppvir.org/serpentine-belt-ten...
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