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Go Back   Chevy and GMC Duramax Diesel Forum > Chevy / GMC Duramax 01-04.5 LB7 Forums > 01-04.5 LB7 Duramax Powertrain
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01-04.5 LB7 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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Old 02-11-2008, 08:52 PM   eBay Motors   #1 (permalink)
natedawg
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Engine / Tranny Temp ?

i had question about the avarage engine and tranny temp.
normal driving the engine temp is around 180 and tranny is like 160......
towing my quads and trailer...around 3500 lbs the engine gets to 195-200 and tranny gets to 190-200...

Is this difference normal to swing this much with such little weight.
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Old 02-12-2008, 01:06 PM   eBay Motors   #2 (permalink)
ob_1jr
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yeah, you can see that much change in temps. What kind of driving you doing when towing? are you on and off the throttle going in the mountains or up and down hills? If so, put it into tow/haul (if you have it on your truck...can't remember when they put that in the trucks) and you will see a reduction in trans temp since the torque converter is locked up. Also, another thing to think about is when was the last time you serviced your tranny? This would be a drain and fill of the fluid and changing the spin-on filter.
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