RV.Net Open Roads Forum: Tow Vehicles: Engine Temp of New Diesel


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Krause

Ontario, Canada

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Joined: 07/22/2004

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Posted: 03/31/08 04:23am

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I just started driving my "new" 2007 Chevy diesel pickup a couple of weeks ago and I have noticed that the engine temperature, when towing nothing, has crested 212 degrees F. This seems warm to me but then I am not sure where a diesel should be. We are driving it with any towing down to Florida in a couple of weeks so I guess I will really see it then but does anyone have any comments on where the temperature should be?

SKYTROOPER

OCEAN CITY,MD.

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Joined: 01/09/2005

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Posted: 03/31/08 05:21am

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My Duramax never gets to 200, even when towing. The trans will run about 100 over outside temp.

AVid

SE Michigan

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Posted: 03/31/08 05:29am

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I go between 195 and 200, towing or not.

AVid

gillguy

Valdosta, GA

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Posted: 03/31/08 06:03am

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190-200 not towing
tranny temp about 130-150

195-200 towing
tranny 150-180

Bobby (USAF Retired)
2007 Chevy 2500 LBZ Duramax C/C, S/B 4X4
2006 Rockwood 8317SS
1973 Airstream Ambassador
Old Town Penobscot 16

Krause

Ontario, Canada

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Posted: 03/31/08 06:08am

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I am going to book this with my dealer to take a look at it...any ideas that would cause it to run as warm as it is?

jello

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Posted: 03/31/08 06:16am

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It's not running warm that's normal. 210 is the normal operating temp. I thought the same thing when I first got mine.

AVid

SE Michigan

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Posted: 03/31/08 06:18am

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Gauge could be wrong...fan clutch no good...low on coolant....water pump low function..restricted exhaust. Good to have dealer check it out, at least get it on record.

AVid

Sundowner1

Chesapeake, VA

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Posted: 03/31/08 06:25am

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That is not abnormal at all. There are two thermostats in your engine. The first one starts to open at 183 and is fully open at about 205 or so. The second one starts to open around 195 and is fully open at 213 i believe.

My 04 Duramax runs at a constant 210-212 whether emptly or towing. If I go up a long upgrade while towing (6-8 miles), It will get up to 220 but the fan kicks in and it comes right down.

I even replaced both thermostats and it still acts the same way exactly.

Sundowner

04 Chevy 2500HD, Duramax, ext cab, short bed, 4X4
08 Fleetewood Quantum 325RKTS Gross wt, 13500 lb.