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As an alternative to the fancy radiator plug kit you could buy a universal rubber plug kit like this, and then cut them to fit. The small red plug I used had a taper from approximately 15/20mm and the black hose plug is around 24/30mm. This kit is more universal and designed to be cut to size. https://link.amazon/B0e2O976J

My Tesla Model Y radiator needed cleaning again — but this time I wanted to prove something: you don't have to spend half a day tearing the entire front of the car apart to do it.

In my previous Tesla radiator-cleaning video, Judah and I made this job WAY harder than it needed to be. We basically tore the front of the car apart just to get the radiator assembly loose enough to clean.

This time, we're doing it the easy way.

And it worked.

I was able to get the radiator/fan assembly out in about 30 minutes, clean the radiator, put everything back together, refill and purge the cooling system, and get the car back on the road. When I went back through my footage, the actual job took me about 1 hour and 40 minutes — even while filming.

The biggest trick is keeping as much coolant in the system as possible while disconnecting the radiator lines. I used coolant-line plugs to minimize coolant loss and reduce the chance of introducing air into the system.

We also:
Put the Model Y into Service Mode
Properly powered down the high-voltage system
Removed the radiator/fan assembly
Inspected the radiator and cooling fan
Used HVAC coil cleaner to break down road grime and contamination
Cleaned the radiator with water and compressed air
Reassembled everything
Performed the coolant purge procedure
Checked coolant temperatures during a test drive
Reset the Tesla radiator-cleaning maintenance indicator

And yes... there was still a surprising amount of dirt and debris in a radiator that had already been cleaned before.

Tesla's current Model Y service documentation also has a dedicated radiator-cleaning procedure, including vacuuming/blowing out debris and separating the radiator from the fan/shroud assembly.

🧰 Tools & Parts Used
I'll put links to everything I used below:
Tesla-compatible coolant- G48- https://link.amazon/B03oJTepF
Coolant line plug kit- https://mpcmfg.com/product/1135762-00-a/
Milwaukee M12 1/4" ratchet- https://link.amazon/B0awb86lv
Milwaukee M12 1/4" impact driver- https://link.amazon/B04MkHIMh
E-Torx socket set- https://link.amazon/A074GZOjY
HVAC coil cleaner- https://link.amazon/B01cLRaWI

***Important coolant note: Rosie is a 2021 Model Y, and Tesla's current documentation specifies G-48 for applicable vehicles. Tesla also notes that North American Model Ys built at Gigafactory Texas starting October 2024 use orange HTF-LS instead, and G-48 and HTF-LS should not be mixed.

If you have a Model 3 or Model Y and have been putting off cleaning the radiator because you thought it was a huge job, this video should show you that it doesn't have to be.

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Here are some of the tools I used to make this repair easier:

Get a Complete Service and Repair Manual for your car- https://shrsl.com/4r4ok
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Products/Affiliate links: Help me out by purchasing from a link. It helps keep the videos going.
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Direct link to my Amazon Store with tool list, car care products, and product reviews.

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Side note— This DIY is not intended as instructional content. It is merely entertainment for you to do what you wish with. I’m just a guy with an awesome beard doing stuff I love. This content should not be used as a substituted for the advise of an appropriately qualified and licensed professional.