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2010 Sierra coolant level sensor

ChevyChase

By ChevyChase
in Ask A GM Technician

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ChevyChase New Member

ChevyChase

Posted
Posted

Coolant level display on dash stays on but coolant level is fine. I need to find the coolant level sensor I have checked in fill tank but no sensor. Engine is a 5.3 any information on this issue would be appreciated, I've been looking for it for weeks posted in another forum no one has yet to give any advice.

gmtech4 Senior Enthusiast

gmtech4

Posted
Posted

if you have non-hp2 and this surge tank ,,,you have the level sensor as apart of it ,,,,

 

it says to disconnect the electrical connector ,,,that can only be a level sensor

 

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ChevyChase New Member

ChevyChase

Posted
  • Author
Posted

I've took my truck to 2 repair shops. They didn't find the sensor in the surge tank either and no wiring running to it. I'm stumped on this one. Has to be an aftermarket tank without a sensor or something but im unsure why it would have been replaced.

txab Senior Enthusiast

txab

Posted
Posted

I've took my truck to 2 repair shops. They didn't find the sensor in the surge tank either and no wiring running to it. I'm stumped on this one. Has to be an aftermarket tank without a sensor or something but im unsure why it would have been replaced.

This could be your light problem

ChevyChase New Member

ChevyChase

Posted
  • Author
Posted

I've came to the conclusion it must be an aftermarket tank. Guess I will have to deal with the display staying lit.

Gone Again Enthusiast

Gone Again

Posted
Posted

If it is-look around under the hood in that area for a wire connector that would have been used with the original tank. If you find it, jump the wires together and light should go out.

gmtech4 Senior Enthusiast

gmtech4

Posted
Posted

i said the option code in my post ,,,if the pic is like yours ,,,then you have one

 

 

my point is i have another pic to show you

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