LB7 Performance Discussion of Chevy and GMC Trucks with LB7 Duramax Turbo Diesel Engines Related To Performance And Longevity

"Low Coolant"

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Old Mar 6, 2010 | 11:29 PM
  #1  
LB7DuramaxMeggers's Avatar
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From: Fulton IL
Default "Low Coolant"

alright, lb7. i think ive read it somewhere but i cant find it again.

the low coolant light is on constantly. checked almost everything. seals, everything. what else can i try? is there a sensor somewhere that needs to be replaced?
 
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Old Mar 7, 2010 | 12:43 AM
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ArizonaRedneck's Avatar
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i thought i read where the sensor was right in the overflow tank
 
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Old Mar 7, 2010 | 10:06 AM
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2500HeavyDuty's Avatar
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fill it back up to where its supposed to be and get it up to operating temps and see if its leaking somewhere, low coolant makes me shudder


Originally Posted by ArizonaRedneck
i thought i read where the sensor was right in the overflow tank

the coolant level sensor is
 
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Old Apr 19, 2010 | 09:38 AM
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C-Power's Avatar
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From: Hicksville, OH
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so did you find it? another place LB7 tend to loose coolant is if you have an injector cup not seated correctly, or if your head gaskets go out,

is your upper radiator hose hard after being shut down for a couple hours or even into the next day? if so thats a for sure sign of cups or hg's
 
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