Which engine.?
the XJ has a serp, in the USA LHD. (left hand drive)
most have no auto tensioner (sorry !) its not a GC.
the 4.0L has a screw drive, tensioner, not like on new cars.
the force is below. why not just buy a new one... start fresh.????.
if the screw, below the PS, that huge long screw was never set right then it will slip, most shops are to lazy to do it right
or too cheap to own the simple tool to measure tension.
as you can see its NON TRIVial AT 180 LBS.
FROM THE XJ BOOK, ,valid to 2001. RHD never LHD cars.
and never export cars. 4.0L only., so.....
posted the free book on xj 200 times
the chapter 7 covers all this,
if you care to read. RTM?
http://www.morris4x4center.com/knowledge-base/index.htm?utm_source=cj#service
that is the first thing go learn on 4L back then.
same my 2 1988s, xj and pickup twins. 5million made.
A sign that your belt tightener may be not working properly . You can spray belt with belt dressing which I find helps a lot.
If your belt has hair line cracks in it where it comes over the pulley on the drive side.it needs replacing. Quite often replacing the belt fixes the problem.
SOURCE: change a serpentine belt on 04 jeep grand cherokee laredo
Check this link & scroll down to your engine. Click on picture to expand.
http://www.autozone.com/shopping/repairGuide.htm?pageId=0900c1528004328a
SOURCE: 2000 jeep cherokee sport fuse diagram
unfortinately the fuse box is under the hood and there is no panel inside the 2000 cherokee or diagram, i had to buy an online manual to find out what fuse went where for my jeep but its not with me. You can just pull the fuses out one at a time and look at them - I know its a pain. It might be your window controll switch - mine is bad as well. It is a common problem for these cherokees especially over 100k, they wear out - I initally thought it was my fuse as well because the lights in the window switch didn't light up anymore - but it is my switch.
SOURCE: 2000 jeep cherokee sport fuse diagram
Likely you are looking for a 30 amp circuit breaker...(Looks like a small rectangular metal fuse) But...if the power door locks work, i don't think that it's bad (serves locks & windows) My diagrams show a bunch of diodes and resistors inside the master (drivers) door switch, but I've had a few apart and never saw any. (embedded?) Personally I don't see anything that shows me reliability built into the switch...It's a really "iffy" design (one in my niece's Jeep only works when the sun shines on the drivers door) There is also a control module associated with the windows but I've never needed to replace one and the manuals never tell you where they are!
Check power at the switch and check harness where it goes through the rubber boot between the door and body. at least 80% of problems I've seen are either the switch or that wiring. Wires can be spliced and you can get a decent used switch at most scrap yards.
Good luck...glad they aren't stuck down!!!
SOURCE: diagram for 1998 Jeep right hand drive serpentine belt
http://www.fixya.com/cars/t2857543-need_diagram_serpentine_belt_replacement here is a link that should help u
SOURCE: serpentine belt on a 1995 jeep grand cherokee
let me know if this looks correct. If not I will find another diagram. Available at google images
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