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Dot 3? Dot 4? synthetic?

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Old 03-10-2010, 07:58 PM
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Default Dot 3? Dot 4? synthetic?

What are you guys running in your clutch hydrolics?

Im doing another bleed on my spec3+ this weekend, I want to also flush out the old fluid and put in the best possible stuff I can.

Also is it better to bleed the slave first and then the master?

Or bleed just from the slave and ill be ok ?
Old 03-10-2010, 10:33 PM
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Dot 3 is fine. Dot 4 is ok as well. It's a clutch cylinder, you don't need anything more.
Bleed the slave & see what happens. If air got into the master while changing fluid, then bleed it. Otherwise, it should be OK. There's a Mighty vac clutch bleeding write up that may help you as well.
Old 03-10-2010, 11:55 PM
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Well i think Dot 4 is suppose to have a higher boiling point or something like that. But if you're boiling your fluid in your clutch hydraulic line, you have bigger issues to deal with.

Personally id recommend you bleed the whole system from top to bottom. It's only going to take maybe 10 mins, plus it's gonna save you some headache in the long run.
Old 03-11-2010, 12:34 AM
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This is weird! I was just askin myself the same questions, just got a brand new spec 3 n I haven't fully installed it all the way yet but hydraulis is next step n I was wondering wats best as well, I was told n e brake fluid was bad for it... True?



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