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05-15-2018, 06:54 PM | #1 |
Member
Join Date: Apr 2011
Posts: 70
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stuck radiator cap
I have a thermostat-style radiator cap that became badly corroded. I have soaked it in CLR and most of the corrosion dissolved, but I still have some crust that just won't disappear.
Worse yet, the hinged top won't open -- I can only access the radiator by taking the entire cap off. Any suggestions on how to remove the remaining crud, and how to separate the top/bottom parts of the cap? Last edited by Nlbloch; 05-15-2018 at 07:04 PM. Reason: Add photos |
05-16-2018, 07:31 AM | #2 |
Senior Member
Join Date: Jun 2013
Location: Marana Arizona
Posts: 1,776
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Re: stuck radiator cap
I would try soaking it in Apple Cider Vinegar for a couple of days.
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05-16-2018, 07:49 AM | #3 |
Senior Member
Join Date: May 2010
Posts: 702
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Re: stuck radiator cap
White vinegar.
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05-16-2018, 07:52 AM | #4 |
Senior Member
Join Date: Apr 2013
Location: Northwest CT
Posts: 1,092
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Re: stuck radiator cap
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