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Old 03-04-2012, 08:58 PM
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2008 GK CRD Oil Leak

I started noticing a small drip (10 drips per day) from under the driver front bumper of my 2008 Turbo Diesel GK. I took it to Jeep, and they said it is the Oil Cooler - at a cost of $1400 to repair. I took it into my own hands, and traced the leak back to the turbo - as I found oil in the turbo intake right at the hose. I replaced the PCV hoping that would do the trick. Three weeks later, and only after hard driving or highway driving, the oil leak is worse. I took it to another shop, and they are telling me the turbo is bad and needs to be replaced at $5,000. Does anyone have any other ideas I can try myself without dishing out some serious money - especially with only 64,000 miles on the Jeep. Any help or thoughts would be greatly appreciated.
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Old 03-04-2012, 09:35 PM
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Re: 2008 GK CRD Oil Leak

I suppose the turbo could be bad but that is rare,especially if it still runs well. There are oil feeds to the turbo I guess they could leak but I don't think that means a new turbo. The rear main seal could be leaking. The oil You are seeing up top could be the oil from the crank case breather going to the air intake hose, that is the most likely your problem. Have you cleaned the area well and checked to see that you don't have the old style air intake tube with an orange seal?
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Old 03-04-2012, 09:51 PM
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Re: 2008 GK CRD Oil Leak

Yea check that seal
I know it created a pretty bad oil leak in my jeep, stopped it before it broke anything tho
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Old 03-05-2012, 08:54 AM
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Re: 2008 GK CRD Oil Leak

Thanks for the response. I haven't. I will check that out tonight and verify if I have the old style intake tube w/orange seal or not. If I do, do you have any info on what I want to use to replace that intake tube?

I will post my findings this evening. Thanks again.
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Old 03-05-2012, 10:04 AM
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Re: 2008 GK CRD Oil Leak

Go to the dealer and buy the new tube
Make sure the part number ends in AE
That should be the black seal

Then make sure to clean the engine bay
Keep us posted
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Old 03-05-2012, 11:13 PM
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Re: 2008 GK CRD Oil Leak

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Originally Posted by ftcomp View Post
Thanks for the response. I haven't. I will check that out tonight and verify if I have the old style intake tube w/orange seal or not. If I do, do you have any info on what I want to use to replace that intake tube?

I will post my findings this evening. Thanks again.
here are pictures of the old tube and old seal and the new tube and new seal and part numbers, plan to spend $100. Its a diy repair, takes about 15 min excluding the time to clean up the oil mess.
http://www.crdsite.com/6.html
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Old 03-06-2012, 12:00 AM
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Re: 2008 GK CRD Oil Leak

I took off the air intake tube and in fact, I have the orange seal. There was oil sitting in the front of the turbo and oil in the tube. I am a bit confused though, since I can see the mail (large) tube is connected to air intake, and appears the smaller tube is connected to the PCV valve. Still can't figure out those how oil is getting into the tube. I thought both of those were connected to air, and not an oil source. Yes - this is not my strongsuit, but more than willing to get my hands dirty.

I have ordered the new tube and should have it on Wednesday. Hopefully that takes care of my oil problem - but again, can't figure out how oil is getting into the air intake anyway.
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Old 03-06-2012, 08:55 AM
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Re: 2008 GK CRD Oil Leak

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Originally Posted by ftcomp View Post

I have ordered the new tube and should have it on Wednesday. Hopefully that takes care of my oil problem - but again, can't figure out how oil is getting into the air intake anyway.
That's easy, the smaller hose from the crankcase breather carries oil vapour fumes to the larger air intake hose where it condenses back to oil as it meets the air from the air filter box. Most diesel owners put a long hose on the crankcase breather and route the hose to an oil catch can or just route it under the jeep.

Good catch can thread here http://jeepgarage.org/showthread.php...ighlight=catch
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Old 03-10-2012, 05:35 PM
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Re: 2008 GK CRD Oil Leak

Things aren't getting any better. I got the new intake hose, as I did have the orange one, and got that on just fine. Drop the Jeep hard for about 20 minutes on highway, and parked back in my driveway. After about an hour, I started seeing the slow drip drip drip under the front driver side. The area around the new intake tube is dry. In trying to follow the drip from the underside, it appears to run along what might be a wireing harness for the battery, which touches the frame on the drivers side, and then just runs along that frame and drips. Argh. Can the dealer be right and this is a oil cooler issue? Can the other mechanic be right and a bad turbo is causing this problem.

Any other suggestions would be greatly, greatly appreciated.
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Old 03-10-2012, 05:37 PM
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Re: 2008 GK CRD Oil Leak

never heard of it coming from the battery side before...hmm
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Old 03-10-2012, 05:47 PM
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Re: 2008 GK CRD Oil Leak

Even on the skid plate, the oil has collected only on the drivers side.
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Old 03-10-2012, 06:15 PM
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Re: 2008 GK CRD Oil Leak

Weird, my oil is dead centre, so right from the tube

I don't know much about vehicles but if its running fine I don't see how it could be the turbo..
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