2002 Wrangler Sahara at 100,000 miles - Jeep Wrangler Forum

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Old 03-29-2012, 08:31 AM
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2002 Wrangler Sahara at 100,000 miles

Hi everyone,
I am new to this forum. As I am one of those guys that mostly just reads, this is the first time I'm posting so please forgive any breech of protocol.
I recently purchased a 2002 Jeep Wrangler TJ Sahara 4.0L with 100,000 miles on it. This is my 3rd jeep, but first Wrangler. I Had a 76 Cherokee straight six that I just loved, then a 98 box Cherokee that was a great truck. This jeep only had one owner and was very, very well maintained, on top being off-road maybe only 4 or 5 times . The gentleman I purchased the jeep from had a wife and 5 daughters so he hid in the garage and spent all his time taking care of his jeep. The Wrangler is mostly stock, only the tires and rims were changed, all the fluids and filters have been changed regularly. There is almost zero rust, just a very small spot here and there on the under carriage and oil pan and none on the body. It is truly in unbelievable shape . I know this because I looked at jeeps just about every weekend for a year before I purchased this one. I will drive it around town and on some of the trails through the woods in the New Jersey pine barrens. I live on the beach so it is not going to see much mud, brown dirt or high water, but would see sand. My question is considering the condition of the jeep, at 100,000 miles what should I spend money on for maintenance and upgrades. I have about 2 thousand I can spend on her and would want to spend it wisely. I've already look into things like cold air intakes and after my research, I feel items like this are very low on this list as far as upgrades, I think I would do the exhaust before I did a CAI and I wouldn't do the exhaust unless there is a problem. However, I am open and if there were a good argument I would consider it, everything is up for grabs. I would like to take care of maintenance items like timing chain, fuel injectors, U- joints, shocks, ect. ect. things like that first but also would like to do some cool upgrades also. At 100,000 miles I'm just not sure which one makes the most sense to do at this point. I don't want to just take it to the dealer as I don't want to pay for things that aren't necessary or I could do my self. I guess that brings up another question that is what is doable at home and what needs to be done at a shop. I am pretty good at working on stuff and have a good tool set. Thanks in advance for your input

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Old 03-29-2012, 09:03 AM   #2
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Hello fellow Jerz Jeeper! Being I am A service advisor (was for Jeep but now Imports) I can tell you what most people do. they bring their vehicle to the dealership for an oil change and a tire rotation. they get the list of recommended maintenance and leave. think about what they have given you and do what you think should be done. i say rotate the tires because it allows them to full inspect the brakes. Personally I would change all the fluids and replace with synthetic where applicable. rear brake service is always good unless you can do it your self. I also have a lets say a "credo" that i have 2 kinds of customers, maintenance and repair. its up to you. I had a woman say if its not broken dont fix it. i said ok let me know how that works out for you when your broken down on the side of the Parkway or out on a back country road. Just food for thought.

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Old 03-29-2012, 10:04 AM   #3

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If the PO took excellent care of the Jeep, I would check to see if the manual has any check marks in the back for the recommended service for certain milestones. Mine does and it was much easier to know what he did and didn't check. I have continued to check off what preventable maintenance I have done along with mileage at which I did so.

My '02 Sahara is 873 miles from 100k and still drives like a champ other than one pesky vacuum leak I can't seem to find. But other than that everything else seems to be in great shape.

Try giving that a shot. And if nothing is found then I would start back at about the 80k suggested maintenance and work your way forward.
"And then one day you find
Ten years have got behind you
No one told you when to run
You missed the starting gun"
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Old 03-29-2012, 11:58 AM   #4
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Congrats!!! Sounds like you found a nice one.

As stated by the others, verify all the needed maintenance has been done. If not, it's time to get dirty and know your Jeep.

And worth the bucks in my book, if you don't know the ins and outs, have a good check over done on it. Let someone who does know Jeeps give it the once over.

And Jersey winters are hard on Jeeps. Maybe since spring is coming think about adding some rust protection for the future. That salt will tear up a frame and under body pretty quick.
97 Sahara, 74 Renegade, 72 CJ5, 55 Willy's (the Beast) Boss 302, 6:34 gearing, Bose 901 speakers.
God I miss that Jeep. Forgot the kinda Jeep, 80 SX4.
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Old 04-04-2012, 05:48 PM
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The undercarriage is in great shape and was already treaded by the owner before me. The guy really kept up the basic maintenance items, however I am going to change out all the fluids and replace with synthetics were applicable. Will also take it in to the dealer and make sure all the recall items are done and get them to do a once over. I was thinking about engine ware parts like the timing chain if at 100,000 its time to worry about it or not. I believe the suspension is stock OE but the jeep seems to ride ok so I'm not sure if its time to think about replacing things like the shocks or not and if Im going to replace the shocks then Im not sure if I should at that point I should lift the jeep a few inches or not. Im driving on the beach and on sand trails so Im not sure if a lift would help me out or not. Then, if I lift the jeep what kind of lift is best for me. However, before I do things like I want to take care of the maintenance items first. Then I think I should maybe worry about the bushings but I cant see any problems. Just not sure what goes on a jeep at the 100,000 mile mark. The jeep wasn't driven that hard and is good basic shape so its hard to tell. Having said that I guess it would never hurt to do the breaks. Thanks for the feedback

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Old 04-04-2012, 06:01 PM   #6
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Mine has 185k and still runs like a champ do what most above have stated, things I had to change U joints,all fluids,rad,water pump so far. But there is a wealth of knowledge on here good luck sounds like you got a great one
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Old 04-05-2012, 09:06 AM
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Man this vehicle has got me snake hypnotized, I started off by just looking at maintenance items and before I knew what was going on my wallet was burning and I was looking into different suspension kits and researching if a 2 inch or 4 inch lift kit was best vs just doing a level kit. Back to reality, yea the water pump, I forgot about that. Its not fun, but for sure needs my attention. Thanks


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