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Old 07-13-2013, 04:06 AM   #1
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Seriously Considering Purchasing An Unlimited

I originally posted this in the newbie section and it was recommended that I repost here:

I really love the idea of the vehicle itself and would love to own one. You will all probably hate me for it, but I don't PLAN on ever really using it as a true off road vehicle.
My problem is that the only years in my budget are from the beginning up until 2009-2010.
I've read on here just enough about the engine problems that these years have. Is it really that common? I understand the whole issue of looking up problems on forums and how frequent they may seem vs what they actually are. I am totally ok with buying a warranty with any vehicle I get but what I don't want to happen is this thing just crap out on me years down the road.
Are my worries really justified? Are a lot of the problems really easily remedied/prevented?
I appreciate all advice you guys can give.

(Also, why are the Nav models so hard to find!?)

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Old 07-13-2013, 04:20 AM   #2
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2007-2010 out of these years the 2010 is the best year iirc.
2011, same engine but redesign of the interior.
Overall the 3.8 is well known to last a very long time.

Some of the earlier JK's (07-08) like my own suffer from oil consumption.

Assuming you are not going to modify or add larger tires ? I would def consider 3.73 for differential gears regardless.

These JK's are fairly reliable but do have some issues. If buying pre-owned, its important that you or somebody that knows jeeps go through it.

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Old 07-13-2013, 04:56 AM   #3
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I've definitely read about a number of things that could be/go wrong with these machines, but is there a good solid "checklist" anywhere of things specific to this model that definitely need to be double checked when purchasing these?
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Old 07-13-2013, 05:22 AM   #4
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Not really. What are you hearing ?
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Old 07-14-2013, 12:33 PM   #5
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Issues with water pumps, cylinder heads (if I remember reading correctly).....
I know the "Death Wobble" issue can be remedied fairly easily. I understand proper maintenance, I just don't want to get something that will be in the shop more than I'm driving it. I've had vehicles like that in the past and I just don't want to deal with it.
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Old 07-14-2013, 12:55 PM   #6
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I loved my 08. It was 2 door not 4. Motor is a bit underpowered when I went to 35's without regearing. The 3.8, though a little underpowered, is pretty fuel efficient(for a jeep) and parts are everywhere cheap because the jeep isn't the only vehicle its in. Oil MUST be checked and topped off monthly though or it will run dry. Mine had no leaks and did not smoke but would be down 2 quarts in a month. It was like it miraculously vanished lol.
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Old 07-14-2013, 01:08 PM   #7
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Quote:
Originally Posted by Tiller332 View Post
Issues with water pumps, cylinder heads (if I remember reading correctly).....
I know the "Death Wobble" issue can be remedied fairly easily. I understand proper maintenance, I just don't want to get something that will be in the shop more than I'm driving it. I've had vehicles like that in the past and I just don't want to deal with it.
I believe water pumps was predominantly from 07-09 MY. The cylinder head issue was for the new 3.6L engine so you shouldn't have to worry about that. The oil burning can be an issue, not sure if it was limited to specific MY but I myself haven't had a issue (knock on wood). Here is a good article that JPMagazine did on the purchase of a used JK and what to look for: http://www.jpmagazine.com/featuredve...r_jk_shopping/

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Old 07-14-2013, 01:17 PM   #8
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My 2010 used a little oil, though it looks like it might have stopped since I went to Valvoline blend last change. It's only been 4000 miles, though. I'm just in the habit of checking every tank or two.

Other than that, I've got 32k with only two issues, the heater core and intermediate shaft clunk. The former is easy to test the latter is barely an issue and easily fixable if it was.

You'll hear more people complaining about the power and transmission than you will of issues. And if you can find one at less than 36k, warranties would be a breeze.

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Old 07-14-2013, 01:26 PM   #9
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Lots of people don't like Car Max, but I had good luck with them twice as I was looking for a specific vehicle with low miles and price wasn't my primary motivation. They do a little more than a car dealer lot to ensure the car is mechanically sound (not much). They also have a few late model Wrangler Unlimited models on their site (transfer fees apply, some they won't ship to your local Car Max).

Costly? Yep. But it's got a 5 day on it, and you won't get that from a dude on Craigslist or out of the local paper. Haggle? Nope, they won't, it's not in their model. They will try to sell you an extended warranty and service plan, that's in their business model for sure.

You may find a deal elsewhere, but don't discount Car Max outright.

Also keep an eye out for 13s on the lots, cast a wide net. A think a 2013 JKU Sport base can be found for a very good deal if you get lucky. Otherwise, be patient. Ordering new takes a few months, so buying a used one should take the same amount of time
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Old 07-14-2013, 01:27 PM   #10
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I had a problem with my 08 leaking oil from the rear main. It took the dealer four tries to fix it. But it was under warranty, so it didn't cast me anything to repair. I have 48,000 miles on it now. It uses no oil at all. Just drove to Moab and back, I got between 16 to 18mpg. Running 2.5" lift and 33'' tires. Mine has 4:10 gears so I thought the mileage was pretty good.
Good Luck.
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Old 07-14-2013, 07:10 PM   #11
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I think I just found a 2012 with 30,000 miles on it that I'm going to try and get. Has a lifetime powertrain warranty. Not exactly all of the options I want but I can't really beat the year and mileage for the price.
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Old 07-14-2013, 07:16 PM   #12
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If the price is right deffinatly go for the 12, its the first year of the pentastar. I have a 13 and its a great motor. I get 17-18 mpg in the city and 20-21 on the highway with 3.73's and its got plenty of power. My last car was a TJ with a 4.0 and i test drove a 3.8 before i bought mine.It is a huge improvement over both motors. the 12's did have some head issues but if anything happens its still under warranty.
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Old 07-14-2013, 07:25 PM   #13
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Quote:
Originally Posted by Tiller332 View Post
I think I just found a 2012 with 30,000 miles on it that I'm going to try and get. Has a lifetime powertrain warranty. Not exactly all of the options I want but I can't really beat the year and mileage for the price.

The lifetime warranty is non transferable from all I've seen so I wouldn't count on that unless you can validate it before the sale.
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Old 07-16-2013, 03:44 PM   #14
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It got sold before I got to it.
The warranty was an aftermarket warranty that the dealer offered.

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