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How to clean a yellowed plastic radiator overflow tank

  

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I have a 1964 corvette with a plastic radiator overflow tank.   The tank has yellowed over the years and I would like to know how to clean and restore it back to its original white, if possible.  Any suggestions would be greatly appreciated.

Thanks,

Fran

 

 

 


2 Answers
4

It may not be possible. The plastic is just old and probably degraded. If it's hardened and brittle, then it might be a good idea to leave it alone before making it worse.

IMO, The best way would be to find an aftermarket replacement.

 

Here's how people restore yellowed computer plastic:

https://en.wikipedia.org/wiki/Retr0bright


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https://www.youtube.com/watch?v=86F2M7M-dgA&ab_channel=driving4answers


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