Curious how many of the LMMs have oil leaks - so a poll - under and over 5000 miles

so far so good....and lovin every mile :cool:

Not a drop here.

dry as a bone...

None,Also love the truck

so far so good....and lovin every mile :cool:

Same here...and I don't think I could word it any other way...about 2200 on the clock...:snipersmi(glad I pulled the trigger)

No problems here. Approx 4300 on the DIC and very happy.

I voted haven't looked because the Z71 shields are in the way. No drips on the pavement.

Not a drop here.

Same here!

Is there a oil leak problem going on?

Mine has had the film of oil at the bellhousing/engine adapter since new. No drips. Oil level on the dipstick has not moved since new. I have 6800 miles now. I have not had anything done about it because I have not yet seen a good fix for it.

Btw, I have leaky transmission cooler lines too :(

I was just under my truck today doing the first oil/filter change (2,795 miles). Dry as a bone!:cool2:

Oh yeah, the oil filter removal was no problem, either. All I had on hand was a cheap old fashioned filter wrench with a short handle. I figured I'd give a try and it came off fairly easily. Some are saying that they have to use 2' breaker bars, etc. Maybe just a little more arm exercise and you'll be fine!:rolleyes:

All good here!

K

Remember some SEEPAGE is not considered a leak, if there is a drip forming that is considered a leak, this is according to gm, just a little info thats all!!.....

Btw, I have leaky transmission cooler lines too :(

x2 on this but nothing else

At around 5K a little collection of oil started to form at the bottom of the transmission bell. A drop would hit the ground every other day. If you see oil collecting at this spot it's probably one of three things. Turbo oil retrun line, rear main seal, or the rear flywheel cover. Mine was the flywheel cover. Dealer service sealed it up and so far no more drips.

I had a leak at the upper oil pan seam within the first thousand miles, all is great now, no regrets either. PLAY SAFE!

Damn near 9k miles and she dont leak one drop... kinda weird im used to carrying oil around with me in all my other cars... this brand new thing is nice...

4000 miles, all is dry.

They only oil driping from mine is that skid plate that is below the oil drain. I'm going to hack off the coner with a sawzall before my next oil change. and the factory filter was tight.

7700 miles & the LMM is dry & happy. Very powerful truck.

11,000 miles on my 2008 and no leaks :)

At about 4600 miles had rear main seal replaced. Noticed oil seeping where bell housing meets motor.:(

Is there a oil leak problem going on?This is why I was asking to see about how many were leaking http://www.dieselplace.com/forum/showthread.php?t=203105 - it's hard to get a feel for how many are having problems without a poll - looks like about 25% of the people that have looked for a leak have found one from the poll so far - under or over 5000 doesn't seem to be a big difference yet either.

I think this may become somewhat of a widespread issue. I think once the trucks have gone thru so many cycles of heating and cooling this will become more prominent. I picked up my LBZ in Nov. 06...I remember it being within weeks of the LMM being at my dealership. They probably used the same batch of gaskets when it was built. Currently it only has 12200 on it. I just noticed the leak and it was not there at 10K oil change 5 months ago.

I have a suspicion most of the trucks will have an upper oil pan/flywheel gasket. Not sure at this point if I should take it in or wait for GM to improve the gasket or else it will happen again down the road...

I think this may become somewhat of a widespread issue. I think once the trucks have gone thru so many cycles of heating and cooling this will become more prominent. I picked up my LBZ in Nov. 06...I remember it being within weeks of the LMM being at my dealership. They probably used the same batch of gaskets when it was built. Currently it only has 12200 on it. I just noticed the leak and it was not there at 10K oil change 5 months ago.

I have a suspicion most of the trucks will have an upper oil pan/flywheel gasket. Not sure at this point if I should take it in or wait for GM to improve the gasket or else it will happen again down the road...

So how bad is the leak? Couple of drops, steady dripping, or just wet?

At around 5K a little collection of oil started to form at the bottom of the transmission bell. A drop would hit the ground every other day. If you see oil collecting at this spot it's probably one of three things. Turbo oil retrun line, rear main seal, or the rear flywheel cover. Mine was the flywheel cover. Dealer service sealed it up and so far no more drips.


X2

No drippage here. Still only 1400 miles on the truck and only had it a few weeks.

OK that's a pretty high percentage (20%). Time to look for myself.

Do I actually need to take off the skid plates or can I see a leak without removing them?

OK that's a pretty high percentage (20%). Time to look for myself.

Do I actually need to take off the skid plates or can I see a leak without removing them?

No if it's leaking you'll see it by just looking under the truck. I had a couple of drops on the concrete.

With more miles ,the rate of reported leaks will increase.Mine started at 9800 miles and was detected by the dealer during an oil change

totally dry after 17K.

No leaks whatsoever... could not ask for a better truck!!

4500 miles on the clock and she's clean as a whistle.

Went and looked this morning. It's not wet under there, no leaks at all.

However there is some "soot" for lack of a better term on the engine side of the bellhousing in that area same. I don't know much about automatics so I'm not sure if it's dust from wear or "normal."

BTW this area is easily visible even with the Z71 shields on it.

No leaks here 8500 miles:)

Clean and dry with 14K:)

Good to go @ 11800 miles.

Oil started leaking around 6K. Never noticable on the stick. Gong in next week for the fix! Transfercase seal leak too! All fixable No Regets here!

2950 Miles and leaving a puddle every time you park. Been at dealer for 2 days and they can't find where it is coming from.

Mine was leaking at about 2500k oil sensor was not sealing right

2500 miles and not a single problem so far!

2007 Silverado 2500HD LT Ext Cab SB/Black Ext/Ebony Int/ LMM Diesel

Do I have the most miles?
23000+ and no leaks
however.....new door seals on both front doors, repaired rattle in dash, two trips to dealer for DPF, 2 trips to dealer for 08 air box upgrade (program..us guys in the snow were getting the mass air flow wet?!!!?) Chafed ABS speed sensor wire in front rerouted and replaced, and the trailer brake controller still has a problem they cant seem to find. Strangest part ... I LOVE this truck:rolleyes:

NO issues and 10k counting. Glad I got a good one off the line!

Just bought the truck about 5 days ago. 7800 miles. Noticed oil dripping from the same bellhousing area a lot of people are talking about. Cleaned it up and ran it some more. I think it's coming from the rear of the upper oil pan gasket/seam and possibly the rear of the lower as well.

On a side note: anyone from the Bay Area, CA reading this know of a good place for warranty service. Used to take my Camaro to Fitzpatick in Concord, but was not impressed. Thinking about Winter Chevrolet in Pittsburg, CA. Anyone with a recommendation, could you send me a message.

Clean and dry, love it so far and I am going to keep a positive mindset.

31,280 still dry as a bone......:D

Just got my truck back today, they replaced the rear main seal. I guess we will see what happens now!

20k miles and back to dealership monday for a rear main seal

3500 miles and because of this thread I tend to check every two weeks and still no sign of oil from anywhere..Josh

11K here and no leaks and i have changed the oil every 1000 miles and nothing.

I know 1000 miles is anal retentive but i run 3 lube shops and don't pay for it so fu** it right.

Only 1500 miles, crawled all over/under looking today, thanks to this thread, no oil leaks.

OK that's a pretty high percentage (20%). Time to look for myself.

Do I actually need to take off the skid plates or can I see a leak without removing them?

Don't forget to deduct the votes from the Dodge & Ford boys...:D

I found this thread because last night I parked in a different place in my driveway then normal. I noticed a large puddle of oil where I normally park. (8" circle on an asphalt driveway:mad:) I always park in the same spot and it's tough to see oil on black asphalt so who knows how long it has been leaking.

I have 6300 miles on my 2007.5 LMM.

LMMain I sent you a PM about your dash rattle, don't want to divert this thread...

12500 miles and waiting on the dealer to call back when they have the parts to fix the oil leak. Rear main is what they have said..:mad:

Welp. I have found several oil leaks and issue underneath the truck.

I have a u-joint that is throwing out grease and looks like it is going to fail soon. There is a lot of fluid around the rear of the transfer case, enough that it too drips on the driveway. (I found out when I hosed off the big puddle). Oil on the oil pan above the drain plug. Oil on the tranny fluid lines to radiator. Oil between the tranny and motor (and lots of it). We will see what the dealer finds and hopefully they can fix it. I am happy they gave me a loaner vehicle this time!

Take the time and look at the rear of of your transfercase and see if that seal is leaking. I took photos and can upload them if anyone wants.

Can the dealer blame an oil leak on a tuner and void the warranty causing you to pay to have the seal in question replaced? I checked under mine and saw a residue not any actual oil on the bellhousing, not sure if it's a leak or not. Will have to keep an eye on it.

Dealer finally came to the same conclusion i had, that the rear main seal was leaking. Had to order parts then they'll call and I'll take it back. I don't recall any of the older model trucks leaking like this.

Can the dealer blame an oil leak on a tuner and void the warranty causing you to pay to have the seal in question replaced? I checked under mine and saw a residue not any actual oil on the bellhousing, not sure if it's a leak or not. Will have to keep an eye on it.

I suppose they could, but why would they? You won't get the work done and they lose the warranty $$$. It also sounds like a good number of stock trucks are having oil leak issues....

Dealer said a seal was leaking on mine, but the service writer didn't know which one. Said the truck would be ready on Friday....

I am just under 10K and the transfer case is leaking pretty bad around the yolk. The drive line is throwing the oil all over the underside of the truck. Every now and then when I shut if off it smokes for a few from the oil that is on the muffler. The dealer order the parts....hopefully that fixes that leak. I also have a leak around the bellhousing. The dealer hasn't determined where the leak is coming from yet. I am hoping they determine that tomorrow when they are fixing the transfer case!:confused:

17k and nothing yet. been to the dealer 8 times for a trailer brake service message on the dash though... :(

I am just under 10K and the transfer case is leaking pretty bad around the yolk. The drive line is throwing the oil all over the underside of the truck. Every now and then when I shut if off it smokes for a few from the oil that is on the muffler. The dealer order the parts....hopefully that fixes that leak. I also have a leak around the bellhousing. The dealer hasn't determined where the leak is coming from yet. I am hoping they determine that tomorrow when they are fixing the transfer case!:confused:

I have the yoke leak, although I caught it before it threw oil all over the place. Since we have the same leaks. Check your U-Joints carefully. I found one going bad. It is losing grease out of one of the end-caps. Hopefully the dealer changes it, since our u-joints are non-serviceable (no zerk fitting).

I have the yoke leak, although I caught it before it threw oil all over the place. Since we have the same leaks. Check your U-Joints carefully. I found one going bad. It is losing grease out of one of the end-caps. Hopefully the dealer changes it, since our u-joints are non-serviceable (no zerk fitting).

Thanks for the heads up! I will check them out today!! :)

My 08 duramax has 2 leaks transmission and oil. I have had nothing but trouble with this truck!!!

had my first service at 3k and was told rear seal is leaking dealer had to order it and i had to leave town havent looked but was told not too bad
wont hurt to keep drivin and wont get back in town untill about 7k so cross fingers other than that no worries lovin every minute

I'm supposed to get the truck back tomorrow. It is starting to sound like GM got a bad batch of tranny seals as well.

My 08 duramax has 2 leaks transmission and oil. I have had nothing but trouble with this truck!!!


I'll take your problems all day long, if you take the problems I've had, and am having with my Ford!

I'm losing my mind waiting for my new GMC!

2007.5 with 5k. Had a transmission leak at the cooler at 1000 miles, took two days to get the part. Noticed a leak (oil) at the front drivers side yesterday. Looks like the oil is dripping down the turbo tubing. Upon further inspection tubing does not have oil accumulated further up, oil accumulation seems to start at the valve covers. I understand the valve covers come in two sections!

I hope I did not make a mistake buying the first year of a new generation truck. Went through that in 2008 with the new 2009 (5.3) truck.

Truck rides and pulls great.

Got the truck back... Looks like it is still leaking, although since I do not know whether the tech wiped the drips off the bottom when it was serviced I am not 100% sure. So I wiped it clean and I will keep an eye on it. They didn't replace the u-joint - tech notes said grease leaking from rear transfer case seal is what covered the u-joint.

Other than the scratches they put on the bed rails and roll-and-lock rails, all seems ok. (at least they mostly buffed out with some tech wax)

BTW, I'm hooking the rails up to a 150000 volt taser along with switch to some train horns, so the next time someone puts something on the truck bed rails, they'll remember not to do something that stupid again.

Tranny cooler line connectors leak - was told months ago that it couldnt be fixed yet - I'll have to ask them again. Im sure I'll be seeing them again soon, this truck is a lemon.

Mine has now been leaking for 4 months.Replaced rear main seal in Dec.,still leaks.I now have dye in the oil as they suspect the EGR and PCV systems are sucking oil and causing it to leak out of the intake system.I think they could be right since it leaks the most when I pull my 5th wheel( constant boost) and almost never leaks much empty.Should be close to a solution but not really happy with this truck,too many problems.This is my 2nd Duramax and both have been very problematic SO THIS WILL BE MY LAST.With the high fuel cost ,this will be our last year camping so we will no longer need the truck to pull the 5th wheel.

Just finished 5000 mile trip pulling the Artic Fox with no problems. The 08 is an awesome truck. You'll never get into a Dodge Ram again.:):):):)

Hold the praise for this thing a little while,you will be surprised how much trouble the odds say you will have.Mine is a lemon.To date It,in less than one year and 13,000 miles,has been in the shop 12 times for various things including the oil leak.It has the potential to be a very nice rig its just poorly built.I guess with all the trouble at GM they just dont have the expertise to engineer well.My tech called GM for help with my 4 month leak and all they could tell him was put dye in it and run it.Since 25% of all owners report the same oil leak you would think they would be on top of their game by now.Its no wonder GM is heading down the tubes along with Ford.

Mine has now been leaking for 4 months.Replaced rear main seal in Dec.,still leaks.I now have dye in the oil as they suspect the EGR and PCV systems are sucking oil and causing it to leak out of the intake system.I think they could be right since it leaks the most when I pull my 5th wheel( constant boost) and almost never leaks much empty.Should be close to a solution but not really happy with this truck,too many problems.This is my 2nd Duramax and both have been very problematic SO THIS WILL BE MY LAST.With the high fuel cost ,this will be our last year camping so we will no longer need the truck to pull the 5th wheel.

This is what I've been speculating right along... check out this thread-
http://dieselplace.com/forum/showthread.php?t=225494

Mine has been great so far with no leaks or any problems whatsoever. Breaking in @ 1000 miles now and average MPG is just under 19. Not too bad.:cool:

08' LMM 1200 mi.:mad: allready staining my driveway. Couple of drips a night. Hope im not into another lemon law deal. My 06' Ford was bought back after only 6000 miles for leaks in the same place. Motor and bellhousing junction.

Intake tube pulled off yesterday and with the guidance from GM engineering a special sealer was used on the tube to stop the oil from leaking out of the tube at the turbo junction.Truck had to sit overnight to allow seal to cure.Valley was covered with oil so tech is satisfied that that was and is the origin of the oil leak.Not happy about all the oil in the intake system but as I said in other posts,the truck will be going in the near term along with my 5th wheel as fuel costs are excessive

I thought that I had a leak last week, found a puddle near the passenger side front wheel. It turned out to be the WIF sensor on the botttom of the fuel filter worked its way loose. Tightened it up and all is well now.