Hint: It was probably not used to top off battery coolant for a Tesla.

Tesla Model Y Facebook Group Member Micheal Sean Sweigart couldn’t NOT take a photo when he found an interesting Tesla-labeled bottle that read “Heat Transfer Fluid” lying tossed in a dumpster at a Tesla V3 Supercharger somewhere in New Jersey.

Sweigart braved the stench, snapped a photo, and shared it with the rest of the group as a sort of, “Look at what I found” post.

Check out his photo below.

This bottle of Tesla Heat Transfer Fluid is just another way to say Coolant.

It’s a bottle of Tesla Coolant.

Underneath the “Heat Transfer Fluid” red lettering are the properties of this elusive liquid, which include that it has…

  • Aluminum Protection
  • Long Life
  • Phosphate-free Formula
  • it’s Pre-Diliuted.

Heat Transfer Fluid seems to be an upgrade from their previously used G-48 coolant.

But, what exactly is this bottle of coolant doing, tossed?

Did a Tesla owner need to top off their coolant?

Wait, what? Teslas have coolant?

Well, yes, if you didn’t know, Teslas do have coolant for its large traction battery and heat pump.

That coolant is supposed to be lifetime fluid and not meant to be serviced by owners at regular intervals like ICE cars.

You’ll still find a coolant reservoir “under the hood” of a Tesla, but just to confirm leaks and for topping off purposes by certified Tesla technicians.

That bottle of Heat Transfer Fluid was likely used to top off and service the charging cables in a V3 Supercharger.

Since the newest available superchargers pump out massive amounts of electricity, they get super hot.

To dissipate heat quickly and efficiently, V3 superchargers and newer used Liquid Cooled cables.

That liquid is plain ol’ Tesla-branded coolant.

Some technician probably did some service, repaired/replaced a charging cable, and topped off the V3 Superchargers internal coolant reservoir.

So, that’s why this Tesla owner found that bottle, tossed in the dumpster.


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