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Update: Thanks to the great advice received here... I was able to swap out the Rear Upper Control Arm w/a new OE Mopar UCA and all is well again. It fixed the issues my wive's KJ was experiencing. I actually met her for lunch on Friday and took her KJ home to do the work. On my drive home I...

You should take those scrap ones to a salvage and get some $$ back. On a serious note... it'll be end of the week before I get the part and this weekend likely before I can swap out the new Upper Control Arm. Will my wive's KJ be ok to daily drive w/the old Control Arm installed or is this a...

Thanks for the info. It's the wives DD KJ and not lifted... the most off-road it gets is backing out of our driveway... :) I ordered a new complete MOPAR Upper Control Arm w/ bushings and new ball joint f/ rockauto. ($350 shipped vs $515 + tax at my local Jeep dealership). Should make the...

Agreed! We did have to put a new Engine in @ ~ 125K as the piston and push rod had an unfortunate meeting that wasn't expected... but other than that ... :) BTW... I've been reading some more on this forum and figure I can get this done w/little problem. I'm no novice at wrenching but since...

Thanks guys! I've been searching for a DIY on this replacement and have found bits and pieces f/ the various forums but nothing from start to finish. Anyone have any links w/ pics showing the how-to? Also, do you guys have a hot-spot for Mopar parts other then the dealership? The OE upper...

Update: Due to the Holiday's I haven't had a chance to really work on the KJ. However, the squeaks got worse and I was finally able to narrow down the squeak to the ball joint that rides above the rear differential. Looks like I'll be needing to replace that suspension part/bracket. Now I'll...

Thanks... That was done during the Original Brake job when installing new pads and hardware. If/when I pull the brakes apart to check the Emergency Brake pad/hardware I'll be sure and re-lubricate all the contact points on the pads. Most definitely something that gets left off brake jobs...

When I pulled the rr wheels off and double checked the brake pads and lines and such... I didn't actually pull the rotor off to verify the emergency brake pads were ok. I guess I'll have to pull it all off again to verify they're ok or the culprit.

So the rearend our '03 KJ has developed a squeaking over the past couple of weeks that has gotten worse. It's not from the interior where the seats can squeak or rattle from the latches or from the hatch area. Our KJ has 182K miles on the odometer. I have replaced the front and rear shocks...

I most definitely will give it a thorough inspection once I receive it. The part that failed so quickly was a Dorman part I picked up through an Amazon seller. We shall see... :)

Additional Follow-up: I was doing a tire rotation last weekend and while I had the KJ up on jacks I was checking the drivetrain. I noticed the rubber boot on the CV Joint that I had replaced was already gone/ripped up. So beware. I've contacted the seller f/ amazon where I purchased the CV...

Thanks for the replies! I was able to pull and change out the fuel pump and fuel filter last night through the access panel in the rear cargo area. I think it took more time to clean off the 'rhinoling' type material the Factory puts down than actually changing out the Fuel Pump. Thanks...

That's what I was thinking before reading the OE Service Manual... As it states in the FUEL PUMP MODULE / REMOVAL / Fuel tank removal will not be necessary... Kinda why I posted here to get some real-world hands-on input. :)

So the fuel pump on my wife's '03 KJ Limited 3.7 w/ 166K miles finally gave up. Not bad all things considered... I have 0 fuel pressure at the Injector Rail Schrader valve and the pump has been loud and whiny for as long as I can remember. No on to my question. I've been ready every forum...

Follow-up: I finally got my new CV joint in for the driveshaft (part that attaches to transfer case) and pulled the front driveshaft. Sure enough, the rubber boot was mostly gone where it bends and moves but that was hard to see until I really got under the KJ and started to pull the...

Thanks for the info and the links. I've read thru the first link prior to my posting this thread and now feel confident in doing the work. I've been wrenching on vehicles for 20+ years so this looks like a snap. I ordered a new CV joint for the driveshaft so hopefully it'll be arriving in a...

Thanks. Just to be clear, the 'right side intermediate/CV' is the drivers or passengers' side?

Not sure if this video will upload... but I crawled under the KJ yesterday and wiggled the driveshaft and it was popping/rattling but I couldn't see any worn out rubber. I suppose it's possible the CV grease is dry/gone w/the mileage... but not really any visual signs. Also, but front drive...

Thanks for the quick reply. One other thing I failed to ask... since it drives fine in 2wd and doesn't make any of those noises, is it safe to drive this way until I can get the CV joint issue figured out and fixed? Will driving it in part time 4wd be a big mistake? Thanks.

I'm a bit of a newbie here but have been wrenching on Jeeps for a long time. My wife's '03 KJ started making the popping/rattling sound just yesterday when driving it around in Full-Time 4wd due to the ice and snow we just got here in OK. When you take the transfer case out of 4wd and just...