Used LML - Page 3 - Chevy and GMC Duramax Diesel Forum
11-16 LML Duramax Powertrain Discussion of components that are directly involved in the power production and all that is needed to get and keep the truck moving . Engine , Transmission, Etc.

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post #21 of 41 (permalink) Old 01-23-2020, 07:44 PM Thread Starter
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Quote:
Originally Posted by denarli6.6 View Post
Unbelievable that the dealership was selling that truck when they knew it had an issue as you stated "service had done some stuff but didn't know if it was fixed for sure". I'd be gettin my money back or making damn sure they fix it and give you a rental. SMH
Yeah I am going to make DAMN sure they fix it and they gave me a new 2020 GMC for now to drive. So if they cant fix it or dont fix it to my liking I will be doing something cause I am pretty sure I could get a lawyer involved with this, with them selling me something that wasnt fixed but I am not sure as I am not a lawyer.

I will make sure I keep everything updated on what is going on with it. I just am just wondering what is wrong with it cause otherwise the truck is like brand new shape so I am really hoping that they can and will fix everything that is wrong with it.

I am always open to anyones ideas or opinions!

Thanks
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post #22 of 41 (permalink) Old 01-24-2020, 06:44 AM
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All other variables aside, the 14 is a more reliable truck. I’d never buy the first run of a truck model. I bought my 14 in 2016 with 60k on it and have had zero issues with the DEF or anything else on it.

2014 GMC 3500 SLT CCLB Z71 SRW
Mostly stock except for all the $$ I spent on bumpers, tires, wheels, leveling kit, air bags, lift pumps, air intake, Powerstops, and the Insight.
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post #23 of 41 (permalink) Old 01-24-2020, 12:37 PM
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Good luck with the '11 if nothing else I'd demand an warranty to cover it for at least a year to cover unknown condition. Like you I'm on my 2nd D'max bought '05 2500 CCSB 4x4 new put 170k miles with minimum problems other than running warm when towing a 38'TH in Southwest installed a Banks Ecomind Power pak Cold air Intake, Speed brake and AFE turbo inlet only reason I sold after 10yrs was I needed more truck for pulling 40' 18k# triple axle TH. 2nd is '15 Sierra 3500 DC SLT 4x4 DRW only a few issues (oil upper pan leak) all warrantied after 60+k miles all stock except Banks I 1.8, Bilstien 5100S w Sumo bump stops and AirRide bags. I bought GM extended warranty in case CP4 takes a dump. YMMV.

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post #24 of 41 (permalink) Old 01-26-2020, 02:22 PM Thread Starter
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Originally Posted by DucBill525 View Post
Good luck with the '11 if nothing else I'd demand an warranty to cover it for at least a year to cover unknown condition. Like you I'm on my 2nd D'max bought '05 2500 CCSB 4x4 new put 170k miles with minimum problems other than running warm when towing a 38'TH in Southwest installed a Banks Ecomind Power pak Cold air Intake, Speed brake and AFE turbo inlet only reason I sold after 10yrs was I needed more truck for pulling 40' 18k# triple axle TH. 2nd is '15 Sierra 3500 DC SLT 4x4 DRW only a few issues (oil upper pan leak) all warrantied after 60+k miles all stock except Banks I 1.8, Bilstien 5100S w Sumo bump stops and AirRide bags. I bought GM extended warranty in case CP4 takes a dump. YMMV.

So nothing to really update other than I wanted to thank you because I told them I wanted a year warranty weather they "think" they fixed or will fix the problem or no. So thats all I have to update. I will let everyone know things as soon as I do. I like to keep post this up to date for others who MIGHT be going though some shit like this.
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post #25 of 41 (permalink) Old 01-26-2020, 03:12 PM Thread Starter
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So, I have a question for anyone willing to play the guessing game. Y’all know more about diesels then I do so I figured I would ask and see if any of y’all have any ideas.

The issues with this new (to me) 2011 GMC 2500 Denali truck is that before I bought it, the service department had an open ticket on the truck that I was not made aware of. Since a good family friend was the salesperson, she was trying to find the 2nd set of keys and found them over in the service department two days after I bought the truck. At that time she found out there was a open ticket for the truck dying. The service department said they did something but wasn’t sure if it fixed it and it didn’t.

So, the day I bought the truck I drove it around and nothing seemed odd or not working and loved how it only had 70k miles on it. Then later that day as we were waiting on all the paperwork and everything that goes with buying a truck it sat and it was a very cold winter day. As they were working on getting everything ready my salesperson took me out to start it up and do the OnStar stuff in the truck. While sitting in the truck that day waiting for the OnStar person to send a signal to the truck, the truck just shut off and on the DIC said something like service stabilitrak or something similar. At first of course I thought well did the OnStar lady send the wrong signal and kill the truck, just a thought.

So, two days later when my salesperson found the keys and found out that there was an open ticket, she got ahold of me right away. She wanted me to take the truck out and drive it around to find out if in fact the truck was ok. So I jumped in the truck and turned the key and waited for the pig tail glow plug light to go out, which I thought took longer than it should being that it was kept in the garage. I started it up and no issue and I pulled out of the garage. Once pulled out of the drive and got to a stop sign, I sat there for a while as I thought this would be a good time to get my seat all positioned the way I want it. As I was sitting there it started to idle like it had a big cam in it like my Camaro does. While sitting there having the whole truck shake it almost died but someone pulled up behind me to I had to move. Almost felt like it was missing or something, but I am not very familiar with the diesel engine.

I then called my salesperson right away and told her it is defiantly not running right, as I had a 2013 and it never once did anything like that. So my salesperson said bring it in if I thought it could make it so away I went to the dealership. On the 20 min drive to the dealership it started smelling odd like maybe burning to much diesel or something, again not familiar with diesel but I know my 2013 never smelled like that. I like to drive with the exhaust brake on to just help with slowing down without using the brakes and try to save the wear and tear on them. So, since I had the exhaust brake enabled when I got into the town that the dealership is at, all the sudden the DIC said exhaust brake disabled. Again, on my 2013 I never had anything like that happen.

So I dropped the truck off and got a loaner truck in the mean time and I have no idea what could be causing all this weird shit to happen. If anyone of you that know much more about diesel engines and the LML have ANY idea what could be wrong I would love to hear, even though I know it is hard to know for sure.
Thanks!
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post #26 of 41 (permalink) Old 01-26-2020, 03:46 PM
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Quote:
Originally Posted by DucBill525 View Post
Good luck with the '11 if nothing else I'd demand an warranty to cover it for at least a year to cover unknown condition. Like you I'm on my 2nd D'max bought '05 2500 CCSB 4x4 new put 170k miles with minimum problems other than running warm when towing a 38'TH in Southwest installed a Banks Ecomind Power pak Cold air Intake, Speed brake and AFE turbo inlet only reason I sold after 10yrs was I needed more truck for pulling 40' 18k# triple axle TH. 2nd is '15 Sierra 3500 DC SLT 4x4 DRW only a few issues (oil upper pan leak) all warrantied after 60+k miles all stock except Banks I 1.8, Bilstien 5100S w Sumo bump stops and AirRide bags. I bought GM extended warranty in case CP4 takes a dump. YMMV.

Nice park job, I think there's a thread on here dedicated to guys like you lol.
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post #27 of 41 (permalink) Old 01-26-2020, 05:58 PM
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Quote:
Originally Posted by nebchevy View Post
So, I have a question for anyone willing to play the guessing game. Y’all know more about diesels then I do so I figured I would ask and see if any of y’all have any ideas.

The issues with this new (to me) 2011 GMC 2500 Denali truck is that before I bought it, the service department had an open ticket on the truck that I was not made aware of. Since a good family friend was the salesperson, she was trying to find the 2nd set of keys and found them over in the service department two days after I bought the truck. At that time she found out there was a open ticket for the truck dying. The service department said they did something but wasn’t sure if it fixed it and it didn’t.

So, the day I bought the truck I drove it around and nothing seemed odd or not working and loved how it only had 70k miles on it. Then later that day as we were waiting on all the paperwork and everything that goes with buying a truck it sat and it was a very cold winter day. As they were working on getting everything ready my salesperson took me out to start it up and do the OnStar stuff in the truck. While sitting in the truck that day waiting for the OnStar person to send a signal to the truck, the truck just shut off and on the DIC said something like service stabilitrak or something similar. At first of course I thought well did the OnStar lady send the wrong signal and kill the truck, just a thought.

So, two days later when my salesperson found the keys and found out that there was an open ticket, she got ahold of me right away. She wanted me to take the truck out and drive it around to find out if in fact the truck was ok. So I jumped in the truck and turned the key and waited for the pig tail glow plug light to go out, which I thought took longer than it should being that it was kept in the garage. I started it up and no issue and I pulled out of the garage. Once pulled out of the drive and got to a stop sign, I sat there for a while as I thought this would be a good time to get my seat all positioned the way I want it. As I was sitting there it started to idle like it had a big cam in it like my Camaro does. While sitting there having the whole truck shake it almost died but someone pulled up behind me to I had to move. Almost felt like it was missing or something, but I am not very familiar with the diesel engine.

I then called my salesperson right away and told her it is defiantly not running right, as I had a 2013 and it never once did anything like that. So my salesperson said bring it in if I thought it could make it so away I went to the dealership. On the 20 min drive to the dealership it started smelling odd like maybe burning to much diesel or something, again not familiar with diesel but I know my 2013 never smelled like that. I like to drive with the exhaust brake on to just help with slowing down without using the brakes and try to save the wear and tear on them. So, since I had the exhaust brake enabled when I got into the town that the dealership is at, all the sudden the DIC said exhaust brake disabled. Again, on my 2013 I never had anything like that happen.

So I dropped the truck off and got a loaner truck in the mean time and I have no idea what could be causing all this weird shit to happen. If anyone of you that know much more about diesel engines and the LML have ANY idea what could be wrong I would love to hear, even though I know it is hard to know for sure.
Thanks!
I think they should give you your money back since they didn't disclose what was going on with the truck.


So sense in turning their problem into your problem.

If it was simple and/or straight forward problem they would have already had it fixed. Seems like they are guessing.

2018 GMC 2500 L5P CCSB 4x4 Denali - Mineral Metallic; previous '11 LML, '10 LMM and 04.5 LLY

Last edited by redwngr; 01-26-2020 at 06:02 PM.
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post #28 of 41 (permalink) Old 01-26-2020, 06:39 PM Thread Starter
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Quote:
Originally Posted by redwngr View Post
I think they should give you your money back since they didn't disclose what was going on with the truck.


So sense in turning their problem into your problem.

If it was simple and/or straight forward problem they would have already had it fixed. Seems like they are guessing.
Would you think it would be a wise move to have them fix the issue but demand a year warranty? I did get the truck for a great price but just wondering what y'all would do.
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post #29 of 41 (permalink) Old 01-26-2020, 06:50 PM
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I feel for you ,they need to be upfront with you and let you know what is going on, explain things to you. If they are a respected dealership ,they will make it right , and stand behind your purchase.

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post #30 of 41 (permalink) Old 01-26-2020, 09:05 PM
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I'd make them take it back.

Seems like it was a great price for a reason -- and that they were hiding that they don't yet know what's wrong with it.


Hoping it goes away is't a repair.

2018 GMC 2500 L5P CCSB 4x4 Denali - Mineral Metallic; previous '11 LML, '10 LMM and 04.5 LLY
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