Author Topic: Discolored Radiator Fluid  (Read 147 times)

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Offline flaldrider

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Discolored Radiator Fluid
on: June 23, 2022, 12:56:35 AM
I serviced my 2015 Explored this past weekend and everything went well.  When I checked the fluid level in the radiator the fluid has a definite black color to it. The bike has 63,000 miles (101,388 km) and has been serviced regularly but not this problem showed up.

I had a similar problem with my 2012 Explorer at about 90,000 miles (144,840 km). I ended up replacing hoses and fluid.

Has anyone else had this issue? The bike does not run hot but I know this is not normal. Could the be the HOAT fluid going bad?

I am going to replace the fluid this weekend but still somewhat concerned.
Mikie

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Offline CaptainTrips

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Re: Discolored Radiator Fluid
Reply #1 on: June 23, 2022, 04:52:22 PM
My guess is the lining in the rad hoses is breaking down. I've also seen this in brake fluid with old brake lines.
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