ttstansfield
tulsa
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Joined: 01/30/2006
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Krause...I have driven 10000 miles on my '07 GMC LMM Duramax. Around town the temp rises to 210 (bang in the center of the dial) and stays there no matter what.
Just towed a 7000lb TT over 1000 miles from Tulsa to Williams AZ. Guage stayed solid on 210 throughout except for one longer gradient where it rose maybe 10 degrees for 10 mins or so.
Sounds like you are right where you should be.
Tony
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Krause
Ontario, Canada
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Joined: 07/22/2004
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killerbee wrote:Are you hearing the fan come on?
no I am not but I guess I also haven't been listening for it.
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taviking22
Omaha, NE
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Joined: 03/21/2005
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Krause wrote:killerbee wrote:Are you hearing the fan come on?
no I am not but I guess I also haven't been listening for it.
Unless the cooling fan design has been changed, you'll know when it comes on, as they are rather loud.
taviking22
Omaha, NE
2006 2500HD Silverado 4 X 4, Duramax LBZ
2008 Tracker Pro Guide V-16 Boat
2009 Jayco Eagle Super Light 28.5 RLS 5th Wheel
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crashpilot
Green River, WY
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Joined: 02/17/2005
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Is your truck an '05?
Straight Board -
2008 Chevy 4X4 Z71 Crew Cab K2500HD LTZ Duramax/Allison
2005 Jayco JayFlight 31BHDS
2007 Kawasaki BF 650 4X4i Camo (mine)
2007 Polaris X2 500 EFI Deluxe (hers)
The mountains of Wyoming as my backyard.
Powder River, Let 'er buck!
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killerbee
PHOENIX USA, Never hot
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Joined: 03/03/2006
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Krause
You will gain nothing by bringing it in. They will just look at you funny. It sounds like you are seeing normal stuff. Stay clear of the dealer, unless you want a new dent.
Duramax Cooling System Evaluation
Intro to TURBODIESEL INDUCTION OVERHEATING
THERMAL FEEDBACK and INDUCTION OVERHEATING
GM Overheating
Engine Oil Cooling
FORUM for Duramax Performance
Tune Your Own GM Vehicle
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HOTSKI2
Alta Loma, CA
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Joined: 03/17/2008
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Yep, straight up the middle of the gauge at 210 on our 2008 as well.
Gets a little hotter on hill, but fan kicks in and comes back down.
I wish it ran a little cooler, but seems to be normal for this model.
I'm guessing they had to heat it up to run cleaner for the new diesel emissions.
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jmpulse
Kelseyville, CA
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Joined: 01/18/2004
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If you are using the factory gauge, just remember it is not very accurate. On my 2004 I installed the Edge w/ Attitude, and that is what I use for my temp readings. Per the Edge, I normally run at 180deg F, I have seen up to 225 in the 110degF days pulling the long hills. It is well documented on the 2004.5-2005, that when they are overheating, the factory gauge is still not in the red. I wouldn't worry about your readings, my factory gauge won't even move while the Edge will swing 45 degs. Just how it is.
2005 29' Forest River Sierra FW
2004 2500HD Chevy Duramax/Allison
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RVMN
MN
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Joined: 04/02/2005
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205-210 on mine.
Dave
2003 Pace Arrow 36R F53
1997 Jeep Wrangler (towed)
2007 GMC 2500HD Sierra Classic 6.6L D/A CC SB (horse hauler)
2004 Dodge Ram 1500 5.7 QC SB(hauler)
Sundowner 777 Horse trailer
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woodrow
Nooksack WA
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Joined: 12/17/2003
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crashpilot wrote:Is your truck an '05?
He said it was a new '07..the fan wont come on @ 212 thats normal op temp. It'll cycle in the morning hours sometimes due viscosity of the clutch fluid. I've had mine come on 1 time based on temp...I was pulling 12k up a 7+% grade for about 8 miles outside temp 95ish turning around 2600 at 60mph temp barely crested the normal operating temp range then cooled back down after the fan ran for about 30 sec. I couldnt overheat this thing if I tried. There is engine overheat logic on the tranny and engine that shuts certain things down to reduce load. if you get that and your running 212~ your gauge is hosed, otherwise your good
* This post was
edited 04/01/08 05:14pm by woodrow *
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crashpilot
Green River, WY
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woodrow wrote:crashpilot wrote:Is your truck an '05?
He said it was a new '07.
Yes he did.. OOPS
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