I replaced the right front hub bearing at about 90,000 miles. Needs oil cooler lines & idler arm.
First of all I don't know what was replaced or maintained before I purchased my jimmy. However I really have not had much trouble with mine. I work in an automotive shop, so I see what things are common on all cars to go wrong. For example I had to replace my right front hub bearing witch are common on a gmc jimmy, sanoma, Chevy blazer & s 10's just like the oil lines not a big deal. All vehicles are known for certain things to go wrong. It happens to everyone. I actually love my jimmy & have had many compliments on it. I have a slight leak in my oil lines, but I'm too worried about it at this point. Its nice to have in the winter. Also it does pretty good on gas for a mid-sized SUV with a six cylinder motor. It will get up move when I need it. The only thing I don't care for is... well I can't think of anything!
I own a 1999 SLT 4.3l leather tow pkg. fully loaded jimmy.
I love this SUV. It's fantastic in winter. It's got 220k klms on it, and by no means were they "soft" klms. I'm a animal behind the wheel. I've driven 160klms/hr for hours on end, I brake stand, I lay rubber and jack rabbit start. Just to name a few bad driving habits. I bounce over curbs with no worries.
I've put maybe $1000 in parts into it. I could get from Toronto to Montreal on 1 tank of gas {540kms}.
Now it's 2008 and she doesn't like me no more! I've replaced f/r wheel bearing, then the left one... {but you should replace both at same time I found out}, so when other side went I replaced both.
Alternator and battery went.
Gas sending unit is broke.
Rear wiper doesn't work.
Various front end leaks, no biggie.
Replaced both f/r brakes.
Vacuum switch {for 4x4}, fixed.
Last year I bought a boat. I've been towing 2000 lbs now for a year. So all my rough driving is now taking its toll. Needs: new diff cover and gasket.. new backing plates both sides, new oil coolant lines, steering box off 5deg. new transfer case chain {replaced already}.
The dimmer light that goes on when you enter / exit doesn't come on any more.
Driver's side door sags.
Both windows make some weird noise 5-10 seconds after I close them.
Front l wheel squeak.
Rear hatch window squeaks at random.
New front CV joint seals.
Transfer front and rear seals.
Oh... repaired shift cable, and rear baggage retractable cover handle broke.
So because of my bad driving habits, I've got to fix all this or let her go. I've read a few comments, and they are all bad.
Did I get the cream of the crop? I'm sure I drive "harder" than ALL other people who posted comments, but less problems than them.
So in closing, I'm giving my Jimmy a 4 star {outta 5}. You people who have problems with your Jimmy should maybe get repairs done by a "cert" mechanic, not "backyard mechanics".
Last word: Great SUV, if driven properly.