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Unread 12-03-2010, 10:09 PM   #16
roversar
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Any updates on finding the oil leak source? Having the same problems with mine.

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Unread 03-22-2011, 08:05 PM   #17
suzieque
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Quote:
Originally Posted by roversar View Post
Any updates on finding the oil leak source? Having the same problems with mine.
me too!

dye was put in the crankcase, haven't seen my jeep in 2 days, good thing I have a warranty!
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2008 WK "S" Limited bright metallic silver exterior, light graystone interior, 5 speed W5J400 transmission, June 18/2008 build, C213RE rear differential with 3.73 axle ratio, C200FE front differential with 3.73 axle ratio, 245/60R18 Goodyear Fortera tires (stock summer tires), NV245 transfer case, GT2056V turbo, 3.0L CRD (OM642.980)
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Unread 03-23-2011, 09:53 AM   #18
Tuco
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Suzieque, is it possible that because of the elephant hose mod + provent filter you have a restricted CCV? This could add some unwanted crankcase pressure.

Im sure you are following my turbo, swirl, intake removal thread. I plan to do something like what you have done. Elephant hose to provent (or raccor), then vent to atmosphere or possibly low side of air box. How is that working for you? How can we be sure we are not restricting air flow out the crank case vent?
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Unread 04-19-2011, 04:51 PM   #19
suzieque
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sigh, my jeep has been back and forth to the dealer for a month now.

- first trip I was told the leak was transmission plug, they supposedly pulled the transmission and transfer case to confirm, looked to me like rear main seal
- second trip I was told the leak was front driveshaft
- third trip I was told the leak was the oil pan verified with dye, they supposedly pulled the transmission,transfer case, engine to get access to the oil pan gasket
- fourth trip I'm being told the leak is on the top of the engine, I suspect now the oil cooler. Presumably the intake has to be removed to gain access to the oil cooler.

Haven't seen my jeep now for 10 days, I have a really crappy loaner vehicle, but at least its not leaking.Each trip, I'm without my vehicle for 3-4 business days.

Very, very disappointed, makes me more sad and frustrated to type this message.

I will post back when it's finally fixed, but just a warning to anyone that discovers a mysterious oil leak that before repairs begin the techs need to be absolutely positive what the source of the leak is, don't let them eyeball it and start tearing stuff apart.

I still love my jeep, just frustrated with the expensive techs that cannot fix it.
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2008 WK "S" Limited bright metallic silver exterior, light graystone interior, 5 speed W5J400 transmission, June 18/2008 build, C213RE rear differential with 3.73 axle ratio, C200FE front differential with 3.73 axle ratio, 245/60R18 Goodyear Fortera tires (stock summer tires), NV245 transfer case, GT2056V turbo, 3.0L CRD (OM642.980)
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Unread 04-19-2011, 07:57 PM   #20
Tuco
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That is a terrible story. It is so absurd its difficult to believe. I hope they are able to find it soon. I will take a look at my engine and see if there is any potential areas for leaks.

The oil cooler sits directly below the EGR cooler which is between the manifolds. Yes, you have to remove the turbo and the intake manifolds to get to it. They are certainly going to want to be sure on this before they spend another 12 - 16 hours getting to the oil cooler. Merlintec says on page 1 that when these usually go, they make quite a mess, so maybe its something else.
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Unread 04-19-2011, 08:09 PM   #21
suzieque
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honestly, I looked for an oil cooler leak before dropping it off, but I could see nothing up top, of course I just did a visual with the engine cover removed. I used an inspection camera, but the oil cooler is buried under everything, so I saw nothing.
Hopefully, I will get my jeep back by end of the week, but the service adviser didn't even want to commit a day at this point, not sure what parts are needed for this tear down.
He did suggest that the leak was up top to begin with, thats why I'm suggesting anyone discovering a leak in the CRD should challenge their tech before agreeing to a bottom end seal related replacement as the leak is likely up top.
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2008 WK "S" Limited bright metallic silver exterior, light graystone interior, 5 speed W5J400 transmission, June 18/2008 build, C213RE rear differential with 3.73 axle ratio, C200FE front differential with 3.73 axle ratio, 245/60R18 Goodyear Fortera tires (stock summer tires), NV245 transfer case, GT2056V turbo, 3.0L CRD (OM642.980)
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Unread 04-20-2011, 09:29 AM   #22
Tuco
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Im sure their parts department will get the correct parts. Mostly you are looking at a bunch of gaskets. I posted most or all of them in my swirl motor thread.

One thing they might not notice is the the small o-ring that goes between the EGR cooler and the driver side manifold toward the front. Its burried down low and would require removing everything in case it leaked. If I did this job I would put a new o-ring in. They should order new swirl motor clips as the design has changed. There is a TSB for the clips. They should use new exhaust bolts and use antiseize so if the turbo has to come off later it will be easier to remove the bolts.

So basically it would be about $100 of gaskets plus the oil cooler parts and about 10-16 hours labor depending on how they bill the labor. Im sure I work slower than a dealer and it would take me a full day to get to the cooler and a full day to put it back together.
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Unread 04-20-2011, 11:19 AM   #23
suzieque
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thanks tuco. had it been diagnosed properly a month ago, I'm guessing it would've been good. hopefully this won't become a common failure point with crd engines.
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2008 WK "S" Limited bright metallic silver exterior, light graystone interior, 5 speed W5J400 transmission, June 18/2008 build, C213RE rear differential with 3.73 axle ratio, C200FE front differential with 3.73 axle ratio, 245/60R18 Goodyear Fortera tires (stock summer tires), NV245 transfer case, GT2056V turbo, 3.0L CRD (OM642.980)
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Unread 01-19-2012, 09:01 PM   #24
jboling
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Where was it leaking from?

So what was the outcome SuzieQue?... I have a dealership hunting and pecking trying to find an oil leak too?
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Unread 01-20-2012, 12:29 PM   #25
suzieque
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Originally Posted by jboling View Post
So what was the outcome SuzieQue?... I have a dealership hunting and pecking trying to find an oil leak too?
after all the visits and frustrating downtime, the problem was the rear main seal. should've been fixed in 1 service visit in 1 day but read on...

the issue is that the rear main seal differs by model year, so they stuck the 2007 seal on my 2008 and that didn't work. the 2008 seal requires a special tool to install and they tried to install without the special tool and it just leaked again. each time the seal was replaced and it would start leaking again, they would ASSUME the seal was no longer the issue and start tearing down my engine to try and find the leak! eventually they got the right seal and the right tool.

so, get the right seal and get the right tool to install it.

by the way, the rear main seal replacement requires pulling out the transfer case (if you have a 4x4) and transmission, a full day to replace.

what year is your jeep? I have the part # for the 2007 seal, but I have to get he part # for the 2008 seal from the dealer.
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2008 WK "S" Limited bright metallic silver exterior, light graystone interior, 5 speed W5J400 transmission, June 18/2008 build, C213RE rear differential with 3.73 axle ratio, C200FE front differential with 3.73 axle ratio, 245/60R18 Goodyear Fortera tires (stock summer tires), NV245 transfer case, GT2056V turbo, 3.0L CRD (OM642.980)
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Unread 01-22-2012, 07:31 PM   #26
fishinbama
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Wow Suzie. I have noticed I have some dripping here also but it must be rather slow since I don't ever see any under the vehicle. I really think that we don't have adequate pcv with the elephant hose mod or the racor type filters. This could contribute to leaks.
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Unread 01-22-2012, 08:15 PM   #27
CRD Dawg
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Quote:
Originally Posted by fishinbama View Post
Wow Suzie. I have noticed I have some dripping here also but it must be rather slow since I don't ever see any under the vehicle. I really think that we don't have adequate pcv with the elephant hose mod or the racor type filters. This could contribute to leaks.
Do you think the longer run of the EHM hose could cause a major increase in back pressure that could cause leaks elsewhere? I used 1" interior diameter hose for my EHM to minimize back pressure. Hope I don't have oil leaks in my future. Been running the EHM for about 20k miles now.
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Unread 01-23-2012, 09:01 PM   #28
fishinbama
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I don't think the length of the hose is such a factor as the loss of the vacuum. I really wish I could get an engineer to weigh in on it. I would ask my father in law but I will probably get a lecture and a lot of information I didn't want.
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Unread 01-25-2012, 06:25 AM   #29
suzieque
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Quote:
Originally Posted by fishinbama View Post
Wow Suzie. I have noticed I have some dripping here also but it must be rather slow since I don't ever see any under the vehicle. I really think that we don't have adequate pcv with the elephant hose mod or the racor type filters. This could contribute to leaks.
well in my case the whole problem began as a minor oil drip on my garage floor. i'm fussy about my vehicles and even just a minor drip needs to be looked at in my opinion, but some owners may just ignore especially if you park outside on the street.
could a racor or eho mod contribute to causing a leak at some point? my opinion is it is plausible.
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2008 WK "S" Limited bright metallic silver exterior, light graystone interior, 5 speed W5J400 transmission, June 18/2008 build, C213RE rear differential with 3.73 axle ratio, C200FE front differential with 3.73 axle ratio, 245/60R18 Goodyear Fortera tires (stock summer tires), NV245 transfer case, GT2056V turbo, 3.0L CRD (OM642.980)
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Unread 03-10-2013, 07:07 PM   #30
tempestv8
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Quote:
Originally Posted by crd_yarp View Post
Eureka! Found the dye.

<snip!>

for anyone else try to figure out this drain path from the V. This area is on the battery/oil-filter side where the "upper oil pan" segment meets the engine block, near the starter.
Hi CRD_Yarp,

Thankyou for your persistence in locating this oil leak. My BIL has a 2006 Commander 65th anniversary model (Australian spec) and I've been underneath his engine for the last two days looking at the oily residue everywhere, trying to locate an oil leak. Unfortunately there was oil coating a lot of places and therefore extremely hard to find the source of the leak. The oil was also getting onto the serpentine belt and it was being flung everywhere.

I think that the location of your oil leak may be where the oil is also leaking from his engine. Will have another look at it this coming weekend.

Just a question for you - now that the oil leak has been located, was it an easy fix or does it require major dismantling of the engine to get to that leaky spot? I presume your dealer fixed it under warranty?

Thanks again for your persistence and then sharing the info and pictures on this forum!

Lawrance Lee
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