CRD oil leak, but dye not showing anywhere - Page 3 - JeepForum.com

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post #31 of 37 Old 03-10-2013, 08:05 PM
suzieque
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2008 WK 
 
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guys, there is a passageway, on the top of the engine near the turbo mount, that drains out near the starter mount first picture in post #15 above. My dealer told me about it a long time ago but I've not been able to confirm.
I think the passageway is so that if an oil leak occurs on the top of the engine, the oil has a way to escape without causing a fire.

What they told me is that any oil leak starting on the top end, even the leak near the air intake tube that destroys the swirl motor, drains down to a small exit near the starter mount. With a 4x4 its (near) impossible to see the drain hole - I've been trying to get confirmation of the exact location of the drain entrance and exact location of drain exit from anyone that rebuilds these engines. I actually think there is a way for any oil that escapes the crankcase breather valve to also drain out at the bottom, but again, its only my suspicion. Frustrating that its so hard to find someone that answer simple questions on this engine.

When the oil exits near the starter, it continues its journey to the lowest point on the back of the engine, this is the bell housing to the transmission and this why the leak is commonly blamed either on rear main seal or the oil pan gasket.


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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post #32 of 37 Old 03-10-2013, 08:40 PM
chevra
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Quote:
Originally Posted by suzieque View Post
guys, there is a passageway, on the top of the engine near the turbo mount, that drains out near the starter mount first picture in post #15 above. My dealer told me about it a long time ago but I've not been able to confirm.
I think the passageway is so that if an oil leak occurs on the top of the engine, the oil has a way to escape without causing a fire.

What they told me is that any oil leak starting on the top end, even the leak near the air intake tube that destroys the swirl motor, drains down to a small exit near the starter mount. With a 4x4 its (near) impossible to see the drain hole - I've been trying to get confirmation of the exact location of the drain entrance and exact location of drain exit from anyone that rebuilds these engines. I actually think there is a way for any oil that escapes the crankcase breather valve to also drain out at the bottom, but again, its only my suspicion. Frustrating that its so hard to find someone that answer simple questions on this engine.

When the oil exits near the starter, it continues its journey to the lowest point on the back of the engine, this is the bell housing to the transmission and this why the leak is commonly blamed either on rear main seal or the oil pan gasket.
This is kind of what i was looking for, I have noticed a few drips on my driveway every once and a while but not to often. And I was wondering if it could be from the intake seal or something like that. I havent had time to take a good look underneath but I just dont know where to start ha. Hoping its just a drain line from something that isnt a problem.

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post #33 of 37 Old 10-21-2015, 09:00 PM
Extankertech
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Has there been any fixes for this problem. I have an 08 gc with 120000 k on it and it looks like the same problem. Oil coming down left side of the engine, oily residue on the plastic cover by the turbo on the left bank, and a small pool collecting in the glowplug valley on the back left cylinder. It's driving me nuts tracking it down.
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post #34 of 37 Old 10-22-2015, 04:41 PM
Tango.
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this is an old thread.. and you likely have an injector diesel leak from what you posted.

Life is hard-John Wayne
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post #35 of 37 Old 10-22-2015, 08:54 PM
Extankertech
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I thought that but it's dark in Color. It's also too high up to br from a return line. The steel lines are all tight and there was no misting from th rail. The residue does not have fuel like smell or an oil smell. I will look at it again.
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post #36 of 37 Old 12-12-2015, 03:13 PM
VictusB
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Quote:
Originally Posted by Extankertech View Post
I thought that but it's dark in Color. It's also too high up to br from a return line. The steel lines are all tight and there was no misting from th rail. The residue does not have fuel like smell or an oil smell. I will look at it again.
Same thing, with the amount of moisture on the trans pan I thought it was a leak there or at the adapter plug, however when everything was cleaned and dried this came back within a few hours:
top is under the transmission inspection plug area,
bottom is from behind the starter looking forward, source appears to be near the little 'wingtip' on the transmission side.

Any word?
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post #37 of 37 Old 12-14-2015, 09:47 PM
Extankertech
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So far mine is cleared up. I replaced the charge air cooler pipe oring. 6000km on it since. It wAs misting oil into that area and it went down the valley hole to the tranny and gathered in the glowplug hole. Since I changed that I have not seen any oil or residue. I had two dealerships look at it and the first had said a turbo was gone, the second had replaced a seal but couldn't tell me which one. Lol. If you do take it to a dealer endure they have a crd tech on the staff. Make sure he is a good one as well. I used to work on mb in lines and only let a dealer work on it for warranty.
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