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Discussion Starter #1
So, dumb newb question - My Commander has 157k miles and rides like a squeaky hay wagon.

What should I be looking at replacing if I don't want to bounce around every parking lot and listen to the rear squeak over every bump?
I don't "pogo," if that information is helpful.

I'm comfortable in an engine bay, around braking systems, drivelines somewhat, and tearing interiors apart. But suspension stuff is far from my forte. Thanks in advance.
 

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Squeaks are typically caused by worn bushings. There are a lot of rubber bushings on an XK that'll wear out:

-Front differential bushings
-Front UCA bushings
-Front LCA bushings
-Front strut mount bushings
-Sway bar bushings
-Sway bar end links

In addition, at 157k miles, you may need to replace:

-Front struts
-Rear shocks
-Inner and outer tie rod ends
-UCA ball joints
-LCA ball joints
-Rubber spring isolators

Since you're referring specifically to a rear squeak, you should look at your rear spring isolators, rear sway bar bushings, and sway bar end links. In addition, if you have Monroe Load Levelling shocks, those are common squeak culprits.
 

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Good list cbw.

You can start narrowing down your squeak by systematically spraying different components with pblaster or something.
 

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Discussion Starter #4
Thanks, guys. I was recently informed my wife no longer trusts the 'mander to go out in the bush, so suspension issues may be lower on that list than a new(er) vehicle. Going mountain exploring on barely traveled roads is one of my favorite things to do.
 

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Discussion Starter #6
Blue, I don't know how to give an answer to that without some history.

The Commander has previously not proven to be the most reliable vehicle, with us now twice limping home after electronics went haywire. Water pumps are now a regular maintenance item, and it's as if the periods where she works well we're just waiting for the next thing to break. We owned her through the N23 and P73 recalls, and we have yet to find a proper Chrysler dealership that knows the definition of the word "diagnose." We've had everything from keeping the Jeep 3 weeks bc they forgot to order a part before taking the TC apart, to a worn clutch code where the first step in the service manual states "reset the code and see if it comes back." They didn't even bother with that and returned it saying I needed whole new TC to the tune of $4k.

There's actually quite a bit more, but those are the highlights. I have taken to doing anything myself that can be accomplished without a lift or expensive specialty tools.

My wife is an insulin-dependent diabetic, but she does fine to manage herself on her own. The biggest hitter happened a year and a half ago - my son was diagnosed with a cancerous brain tumor, and at the same time suffered a stroke. He is no longer able to walk, along with many other lasting effects from the stroke. If I take a vehicle out into the mountains in the winter, I have to know it's going to be able to get me out. No questions. I'm a resourceful guy, but in this situation things can get dicey real fast.

The final straw was this C230A Final Drive code. I'm convinced this failing FDCM has severely impacted the drivability of the Jeep, and when she overheated just 2 weeks ago less than 10 miles into the mountains, my faith was all but lost.

I love this Jeep, or at least what it's supposed to be. When it works, it works well. But at this point it seems like it's starting to fall apart, with a tired engine. Why wife is convinced that at some point in the near future she's just going to go completely, and I can no longer refute that argument. Buying a new(er) vehicle is far from ideal for us financially with recovering from the past year and a half, but it may just be what needs to happen.
 
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