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Old 09-11-2023, 09:45 AM   #3
4793
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Join Date: Dec 2022
Location: rural Iowa
Posts: 21
Re: DOT 4 fluid for clutch- why?

hatzie: thank you. It never occurred to me the cap might have been swapped out. Also thanks for explaining the difference between 3 and 4. My local guy said the same thing you do, that 4 could be added to 3 but not vice versa, but he wasn't real keen on the idea. The truck spent the first ten years of its life in the southwest US (not sure precise location) and maybe that has something to do with using a fluid with a higher boiling point
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