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Radiator Hoses Turning White?

Wolf359

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Sorry if this has been previously covered, I didn't find anything with my search of the forums. My upper radiator hose appears to be dis-colored for some reason. I have never seen this before. I have just under 5K miles and this is the first time noticing this when under the hood.

Is this common with the 2.4? Maybe due to all of the heat these small displacement turbos produce? Should I be concerned these hoses, that are already hot, are going to fail?

2024 Tacoma Radiator Hoses Turning White? Screenshot 2025-08-16 124523
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Compy386

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I think this is just common with most rubber formulations in general. The hoses and rubber boots on my motorcycle do the same thing. I just wipe them down with a damp microfiber when detailing it and they look good as new again.
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