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| 2011+ 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 Ect |
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04-13-2012, 04:49 AM
| eBay Motors #1 (permalink) |
| Duramax Lifetime Supporter   Join Date: Nov 2011 Location: East Texas
Posts: 1,891
| Losing coolant somewhere in 2012 LML.... I'm losing about a half of a quart of coolant everyday in my truck. Its a 2012 LML crew cab 4wd. It started about a week ago. My display flashed low coolant level. I check it, it's down to the min mark. Fill it up to the max mark, and drive it. Next morning, same thing. Down to the min. I drive about 100 miles a day, sometimes more. My truck does sit and idle for 10-15min. at times. Nothing really out of the ordinary. It is not running hot. Where is my coolant going, and has anyone else had this problem? thanks. |
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04-13-2012, 04:51 AM
| eBay Motors #2 (permalink) |
| Duramax Lifetime Supporter Join Date: Nov 2011 Location: East Texas
Posts: 1,891
| And it's doing this everyday. Not losing more or less, same amount, every day. Top it off in the morning. The next morning, back down to the min mark. Every day. |
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04-13-2012, 04:53 AM
| eBay Motors #3 (permalink) |
| Duramax Lifetime Supporter Join Date: Nov 2011 Location: East Texas
Posts: 1,891
| I've checked my oil, no sign of it in there, so im at a loss. |
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04-13-2012, 05:56 AM
| eBay Motors #4 (permalink) |
| Duramax Lifetime Supporter Join Date: Nov 2011 Location: East Texas
Posts: 1,891
| well, its dripping down onto my passenger side cv joint. Got a leak in hose or connection. |
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04-13-2012, 06:40 AM
| eBay Motors #5 (permalink) |
| Senior Member  Join Date: Aug 2011 Location: Clarksville TN
Posts: 590
| Sounds like you found the problem. Trip to the dealer in the future.
__________________ 2011 GMC 2500 HD. First ever diesel and loving it. |
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04-13-2012, 07:18 AM
| eBay Motors #6 (permalink) |
| DuramaxForum Veteran  Join Date: Nov 2010
Posts: 1,101
| Armalite, I'm sorry you are having this issue. Your truck is a 2012 and if you have under 36,000 miles on it, your truck is covered under your bumper to bumper warranty. Have you taken your truck into the dealer for this leak yet? Evan, GM Customer Service |
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04-13-2012, 09:25 AM
| eBay Motors #7 (permalink) |
| Senior Member Join Date: Feb 2011 Location: SW Ont
Posts: 857
| You're not trying to keep coolant in both sides of the tank are you?
__________________ 2011 GMC 2500 LML CCSB 4x4 SLT sold 2010 GMC 2500 LMM CCSB 4x4 SLT sold 2004.5 GMC 2500 LLY ECLB 4x4 SLE |
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07-15-2012, 02:48 PM
| eBay Motors #8 (permalink) |
| Join Date: Jul 2012
Posts: 2
| my 2012 lml is leaking too did the dealer fix it? i have a 2012 with 1800 miles on it and its leaking from the right front corner too!! Last edited by sm139028; 07-15-2012 at 02:53 PM. |
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07-15-2012, 04:27 PM
| eBay Motors #9 (permalink) |
| Senior Member Join Date: May 2012 Location: Phoenix, AZ
Posts: 461
| I noticed a couple of drops on my hose today, the lower hose attaching to the radiator or so it appeared. There should be a tsb on this if a lot of people are having issues. My fluid also has never appeared low and I haven't seen any spots on the driveway either.
__________________ 2012- Denali HD 4x4 2500 Xpel clear bra, amp steps, Inyati Bedliner. Rancho RS5000 Steering Stabilizer-Rancho 9000XL Shocks PPE PTO-front/rear/Allison covers with transynd and amsoil severe gear oil. Last edited by 48548; 07-15-2012 at 06:17 PM. |
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07-15-2012, 05:16 PM
| eBay Motors #10 (permalink) |
| Senior Member Join Date: Oct 2009 Location: Las Vegas, NV
Posts: 313
| Wow, makes me want to buy a new truck.
__________________  2008 GMC 3500 SLT Dually 4X4 Dually Club Member #104 |
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