Rear differential

1999 FORD F-250
240 MILES • 7.3L • V8 • TURBO • 2WD • MANUAL
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MITCHDAVEE
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  • 1 POST
What is the name of the material you use for the gasket when changing differential oil? I see you use the blue gasket but what is the black caulking?
Nov 17, 2017 at 1:46 PM
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STEVE W.
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I use Permatex gear oil safe RTV gasket maker myself but there are others that can be used just as easily.
Nov 17, 2017 at 2:58 PM