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2014 z51

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Old Aug 3, 2018 | 12:06 PM
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Default 2014 z51

Rear differential cooling fan does not shut off. Can you please offer a diagnosis?
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Old Aug 3, 2018 | 07:58 PM
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Ever? Or it takes awhile?
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Old Aug 4, 2018 | 12:23 AM
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If you haven’t changed your diff fluid, do so!!!

Mine was like thick zinc pasta only after 5000 mi. Full of metal particles. If it is too thick it might also affect the pump and temperature I can imagine.

//Motors5
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Old Aug 4, 2018 | 06:49 AM
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Default 2014 z51

Originally Posted by owc6
Ever? Or it takes awhile?
Cooling fan stays on as long as the engine is running
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Old Aug 4, 2018 | 06:50 AM
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Default 2014 z51

Originally Posted by Motors5
If you haven’t changed your diff fluid, do so!!!

Mine was like thick zinc pasta only after 5000 mi. Full of metal particles. If it is too thick it might also affect the pump and temperature I can imagine.

//Motors5
Thank you, I will check the rear diff fluid
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Old Aug 4, 2018 | 10:33 AM
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Originally Posted by budweisser1966
Cooling fan stays on as long as the engine is running
The differential fan on on the ELSD at the left rear of the car is programmed to not run when the car is stopped. This is to avoid hearing the fan run at that location when stopped. I learned this during the factory tour.
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Old Aug 4, 2018 | 11:39 AM
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Originally Posted by traronf
The differential fan on on the ELSD at the left rear of the car is programmed to not run when the car is stopped. This is to avoid hearing the fan run at that location when stopped. I learned this during the factory tour.
That is what I thought. This condition did not start until I spent an afternoon on a local road track.

Thank you.
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Old Aug 5, 2018 | 08:36 AM
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14's had the best factory warranty of all C7's. You have a 5 year, 100k drivetrain warranty. Get it checked, you might still be under warranty!
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Old Aug 6, 2018 | 08:46 AM
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Default 2014 z51

Originally Posted by bearphoto
14's had the best factory warranty of all C7's. You have a 5 year, 100k drivetrain warranty. Get it checked, you might still be under warranty!
Service visit today. Thanks
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