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10-11-2007, 06:09 PM
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#1
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Senior Member
Appalachian Campers Coastal Campers
Join Date: Mar 2003
Location: New Bern,NC
Posts: 2,033
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My 06 Duramax seems to getting a little warm when pulling up the mountains. It ususally runs just below 210 degrees, it went up to the 3/4 mark on the guage. After I hit the crest it cools quickly back to where it usually runs.I had a 03 Durmax and it never moved on the hills towing the same fiver. Anybody had this happen to them? I got a apointment with the dealer Tuesday, not for just this but some maintance.
Tom
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10-11-2007, 06:09 PM
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#2
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Senior Member
Appalachian Campers Coastal Campers
Join Date: Mar 2003
Location: New Bern,NC
Posts: 2,033
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My 06 Duramax seems to getting a little warm when pulling up the mountains. It ususally runs just below 210 degrees, it went up to the 3/4 mark on the guage. After I hit the crest it cools quickly back to where it usually runs.I had a 03 Durmax and it never moved on the hills towing the same fiver. Anybody had this happen to them? I got a apointment with the dealer Tuesday, not for just this but some maintance.
Tom
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10-11-2007, 06:36 PM
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#3
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Junior Member
Join Date: Oct 2007
Posts: 1
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Sounds like a local epidemic. Someone else in your area is having the same problem. MYTIME
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10-12-2007, 04:57 AM
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#4
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Senior Member
Join Date: Jun 2006
Location: Dallas,OR
Posts: 4,584
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What motor do you have? LLY is really common to over heat. As I remember the LLY was still in the early production 06 trucks. If so, the dealer will not be able to fix it. GM still does not acknowledge that there is a problem with the LLY. Go over to the diesel place, grab a LARGE cup of coffee and settle in for a long read on the problems with the LLY Duramax. My solution for overheating? trade it for a Dodge Cummins!
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Don and Lorri
Resident Dummy.
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10-12-2007, 02:43 PM
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#5
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Senior Member
Texas Boomers Club
Join Date: Jan 2000
Location: Somewhere in the lower 48
Posts: 2,308
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Tom
Changing brands is not always the answer. Albeit not applicable, mine was a `02 (thus not an LLY) but never had an issue. Head on over to the diesel place and have a read thru the posts there. Let us know how you make out.
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John, Joyce and Zoie (our 17# Guard Dog)
2018 Ford F-450 KR / 2019 Mobile Suites 40KSSB4
Fulltiming since 2008 and loving it
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10-14-2007, 06:06 AM
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#6
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Senior Member
Join Date: Dec 2006
Location: Foxboro Ma.
Posts: 1,080
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there was two differnt motors in the 2006 model year is yours a LLY or LBZ ?
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2015 42' Redwood RL38 Morryde IS , disk brakes, 1920W of solar with Victron everything,5 Battleborn, 2024 GMC DRW 3500HD ,60 gallons of fuel in the bed,Hensley BD5 air ride hitch.
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10-14-2007, 07:50 AM
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#7
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Administrator in Memoriam
Appalachian Campers
Join Date: Jan 2000
Location: Buladean, NC
Posts: 8,126
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Mine is an '06 with the LBZ; I've never had any problems with overheating and I've pulled some steep grades with a heavy trailer in hot weather. (Knock on wood).
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'11 GMC Acadia SLT AWD
'11 GMC Sierra 1500 4x4 Extended Cab
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10-15-2007, 03:23 PM
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#8
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Senior Member
Join Date: Jun 2006
Location: Dallas,OR
Posts: 4,584
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Check the coolant level. As I remember the Duramax has some specific burping instructions to be sure there is no air bubbles in the system.
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Don and Lorri
Resident Dummy.
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10-18-2007, 03:17 PM
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#9
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Senior Member
Appalachian Campers Coastal Campers
Join Date: Mar 2003
Location: New Bern,NC
Posts: 2,033
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I took it in and they added about 1/2 gal of coolant. It looked full to me. It is the LBZ engine. I never seen it run that warm before. This is my second Durmax the first was a 03 and I never saw it move above were it normally runs.
Tom
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04-07-2008, 05:33 PM
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#10
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Senior Member
Appalachian Campers Coastal Campers
Join Date: Mar 2003
Location: New Bern,NC
Posts: 2,033
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I guess it was a little low on coolant as on this trip no heating problems. When we leave Texas we are going back through the mountains of North Carolina. I thought that the tank was a expansion tank and it did have coolant in it maybe not full but it did not look low either, but I quess that what they pay Mr. Goodwrench for.
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04-08-2008, 10:08 AM
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#11
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Junior Member
Join Date: Aug 2006
Posts: 24
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Our 06' LBZ will many times hit 226 to 230 before the fan goes into OD and it takes a while for it to cool down even after I back off some----extremely concerning. This is with our Edge with Attitude in stock mode (temps set to alarm at 220 degrees, nice feature; all other monitoring can be set to alarm as wanted also). High Egt's and air temps will happen before the water temp gets to the scary numbers. I've been looking for good answers for lowering all that nasty heat for some time now, with no clear cut solutions as yet. Oh yeah; poking along will do it, but I just can't stand to be passed burros and bicyclists; especially since I'm always more than ready to get to that perfect camp site in the mountains.
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04-08-2008, 04:55 PM
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#12
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Senior Member
Join Date: Sep 2004
Location: Washington
Posts: 255
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Research the TD-EOC your problem should be solved. Larry Barnhart
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