Chevrolet Bolt EV Coolant System Loops

John Educator Ogden, Utah Posted   Latest  
Demonstration
Electrification
2017 Chevrolet Bolt EV (1ET25)

See the three different coolant system loops of the … Chevrolet Bolt EV high voltage system. Learn how they are connected and how they function. #electricvehicles #boltev youtu​.​be/_ILkLUE3Zxc

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James Diagnostician
Bishop, Georgia
James
 

Great information ! 

+1 Ð Bounty Awarded
John Educator
Ogden, Utah
John
 

Thank you!

+1 Ð Bounty Awarded
G Educator
Mahopac, New York
G
 

John another thorough job...just one question on all the air conditioning open components. Is there a reason that you did not cap them or duct tape the open ac components? Moist and contamination is usually a concern ....your thoughts.. . Thank you again for sharing your knowledge 

+1 Ð Bounty Awarded
John Educator
Ogden, Utah
John
 

Thanks G. I did cap them immediately upon removal. I just barely removed the caps for this video. This car is going to get a deep vacuum for several days before adding refrigerant to make sure any moisture is removed. 

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G Educator
Mahopac, New York
G
 

John I thought so but now the viewer and reader will know. Thanks for your response.

When you get a chance please email me at … your mailing address ... we have an award to send you. Have a good one... Merry Christmas to you and your family 

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John Educator
Ogden, Utah
John
 

Thanks G!

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Bill Technician
Rosetown, Saskatchewan
Bill
 

Would micron gauge usage be a "best practice" if moisture is a concern? I know from my experience sometimes equipment hoses, pumps, o-rings, oil etc are not up to the task. 

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John Educator
Ogden, Utah
John
 

Yes, that helps insure whether or not you have a deep vacuum, but even if you do not, you can preheat the system in a warm room or with the heater in the car to increase the boiling point of the water under vacuum. Even our 10 year old vacuum pumps at 4300 feet can boil water of the system temperature is close to 100 degrees F (37.8 C). The colder the system temperature the deeper the vacuum required to make it boil. Thanks for your feedback!

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Bill Technician
Rosetown, Saskatchewan
Bill
 

I really like the video learning. You are very descriptive and I appreciate that.

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John Educator
Ogden, Utah
John
 

Thank you very much!

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Jeffry Educator
Québec, Quebec
Jeffry
 

Well done John. Thank you for doing this.

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John Educator
Ogden, Utah
John
 

My pleasure, thank you!

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David Diagnostician
Philadelphia, Pennsylvania
David
 

Great stuff John, really getting a lot out of your videos. 

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John Educator
Ogden, Utah
John
 

Thank you very much!

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David Diagnostician
Philadelphia, Pennsylvania
David
 

Hey John, any chance you will be attending Vision? Would like to pick your brain about a few things.

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John Educator
Ogden, Utah
John
 

Hi David, I will not be there. Feel free to email me. …. Have a good day. 

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