New to me 2008 JK things to look for? - JeepForum.com
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post #1 of 10 Old 09-12-2017, 07:27 PM Thread Starter
Scarface6174
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2008 JK Wrangler 
 
Join Date: Apr 2015
Location: Yakima
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New to me 2008 JK things to look for?

Hiya! I just made the switch from a 4 banger YJ to a 2.8L 2008 Rubicon JK!

I know there's many years of experience here and want to know if there's any trouble spots or easy mods I can do!

It already has:

3-4 in lift
35" tires riding on 17s
SYE (is that even a thing on JKs?)
steel front and rear bumpers
winch
block heater (it's from canada)
rock sliders
Oh, btw it's a manual

I took off the front wheel well mud flaps since the picture, but would love to know more of the easy stuff I can do!

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21686128_10212034113381602_8139655054805366956_n.jpg  

1992 2.5L 2.5" RC lift.

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post #2 of 10 Old 09-13-2017, 06:50 AM
HappyTrails
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2008 JK Wrangler 
 
Join Date: Nov 2008
Location: West Georgia
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Way to go, '08's are awesome!

If you have a soft top, the front header bar has a known issue to warp, creating a lot of wind noise. The dealer can replace it with a new one. I had this done, and a significant difference in wind noise.

On the transfer case handle, the plastic grommet has been known to break. It is accessible from below. Go to the dealer and buy a handful to keep handy, just in case.
Here are some links to help:
http://www.jeepforum.com/forum/f96/4...stion-2155265/
http://www.jeepforum.com/forum/f96/a...epair-1211510/
http://www.jeepforum.com/forum/f96/s.../#post18491545

2008 2-dr Rubicon, auto,
RK 2.5" Max Travel, Rancho 9000XL shocks, 37" Nittos, 5.38's, RR skids, Warn VR8000-S.
RIPP Gen 2 Stg 2 Supercharger.
Political Correctness offends me.
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post #3 of 10 Old 09-13-2017, 11:40 AM
Psycho-X-Jeep
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2009 JK Wrangler 
 
Join Date: Jan 2009
Location: Houston
Posts: 535
Check the oil level, and keep checking every 1,000 miles until you are confident it doesn't drink oil. Some 07-11 have been known to have this issue.

Call me Eddo
09 JKUR
13 WK2 Trailhawk
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post #4 of 10 Old 09-13-2017, 08:22 PM
flys_yj
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2008 JK Wrangler 
 
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Location: pacific north west
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sweet!! love my 08 rubi
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post #5 of 10 Old 09-14-2017, 01:55 PM Thread Starter
Scarface6174
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2008 JK Wrangler 
 
Join Date: Apr 2015
Location: Yakima
Posts: 403
Quote:
Originally Posted by Psycho-X-Jeep View Post
Check the oil level, and keep checking every 1,000 miles until you are confident it doesn't drink oil. Some 07-11 have been known to have this issue.
Yeah, will do. My old YJ would drink a quart each tank of gas before I rebuilt it. Good call. My JK does have a little bit of oil around the drain plug on the oil pan, but nothing that looks close to a drip.

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1992 2.5L 2.5" RC lift.

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post #6 of 10 Old 09-18-2017, 08:24 AM
--chris--
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Quote:
Originally Posted by Scarface6174 View Post
Yeah, will do. My old YJ would drink a quart each tank of gas before I rebuilt it. Good call. My JK does have a little bit of oil around the drain plug on the oil pan, but nothing that looks close to a drip.

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You probably won't see a indication of a leak, they (the 3.8) drink it pretty quick (if it drinks at all). I am doing 1/2-3/4 Qt every 600-700 miles with no drips in my driveway or work spot.

Congrats, enjoy the upgrade! I think the only time something feels faster than the 2.5 YJ is going to the next slowest engine in a jeep!


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post #7 of 10 Old 09-21-2017, 01:04 PM
Valkyrie0002
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2009 JK Wrangler 
 
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Location: Fredericksburg, VA
Posts: 220
Congrats. My 09 uses oil sporadically and I can't figure out why so I check it about every 1k. My EGR went at about 100K miles and its a PIA to change. Be sure to buy a good quality replacement or you'll be doing another swap soon after. Lot of good info on Jeeps here so this is my go to resource.

16 KL, 09 JKU X, OE rear locker and front discos. Sold 02 WJ, 83 CJ7, 65 & 74 CJ5s, 2 MJs, 88 XJ
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post #8 of 10 Old 09-22-2017, 06:04 AM
SoK66
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Oil consumption is a common issue on the 3.8. It can have none between changes, or (per Chrysler) consume up to 1qt per 750 miles and be considered OK. If it's an oil drinker it pays to replace the PCV valve, which can help in some cases. The oil burning will eventually waste the catalytic converters, anywhere from 75k - 100k miles. Not cheap to replace.

Look for a loose bushing on the steering shaft at the firewall. Fix is a hose clamp on the bushing. The clock spring will fail at around 50k, subject to recall. Check with Chrysler, and be sure to register your JK with them so you can be informed on recalls. The Totally Integrated Power Module (TIPM) can cause all kinds of electrical issues if bad. Not cheap to replace. The doors may clunk over bumps, sounds like something loose inside the B pillar. Wrap the strikers with electrical tape...that's the fix!

Here's a big one. If it's an automatic, ASAP install an auxilary transmission cooler. The vehicle was under-engineered in this area and the trans can overheat, blow fluid out the dipstick tube and cause a catastrophic fire. Chrysler has been very negligent in taking care of this fault. Any quality aux. cooler will do. I run the Mopar towing acesory cooler on mine, but a parts store cooler properly installed will do the job. Good luck!
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post #9 of 10 Old 09-22-2017, 05:09 PM
Spank
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Congratulations on your new Jeep and getting the best color ever offered for the JK.
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'14 Wrangler Unlimited Rubicon
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post #10 of 10 Old 09-25-2017, 11:50 PM
xtremeasures
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The exhaust manifolds are very prone to cracking. You have to take the heat shields off to see if they are cracked. My drivers side was bad enough to hear when it was started cold. The passengers side had a slight crack that I could only see using a small mirror.
E-locker magnet wear. I put a shim in mine to "fix" it.
http://www.jeepforum.com/forum/f96/o...study-1476570/

07 JKUR, 83 CJ8, 350 SpiderTec, 465, 300TS, Dana 70s ARB/Detroit, 42'' SS TSL,
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