If you have a 2.5 engine, the easiest way is to take off the two 15mm alt bolts. that gives you the room, then just take a pry bar or large screwdriver to shift the alt into place while tapping the bolt into the space
he serpentine, or accessory belt.
loosen the alternator and it will slide right off Check 2carpros.com for a belt routing diagram.
Timing chain.
remove old belt install new belt you're welcome
A 1999 Jeep Wrangler has a timing chain.
A 2005 Jeep Wrangler has a timing chain.
how to install a drive belt on a 2000 jeep wrangler 2.5 liter
Chain
Chain.
ChainChain
Chain
Chain