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2Dokas
Samba Member
Joined: October 09, 2004
Posts: 758
Location: Santa Cruz, CA
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 Posted: Fri Jul 29, 2022 8:39 am Post subject: brake fluid - Synthetic DOT 3 |
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My brake system is totally clean, no fluid.
I have some synthetic DOT3 on hand.
Okay to use or should I find something else?
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87 Doka 2WD Ej22,
56 Convertible |
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splitjunkie
Samba Member
Joined: April 04, 2006
Posts: 4215
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| Posted: Fri Jul 29, 2022 11:25 am Post subject: Re: brake fluid - Synthetic DOT 3 |
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Is it comprised of 100% new parts? Particularly all of the rubber parts. The metal parts really should be new too so you know there is no rust anywhere. This goes for the hard lines too. I have never used the synthetic but I has always read that you need to have all new rubber parts and the system has to be 100% clean to make the switch.
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Chris
You know, a lot of these scratches will buff right out... Jerry Seinfeld |
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tcoop1100
Samba Member
Joined: August 12, 2004
Posts: 228
Location: Hilo, Moku O Keawe, Moana Pakipika
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| Posted: Fri Jul 29, 2022 1:13 pm Post subject: Re: brake fluid - Synthetic DOT 3 |
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You may be thinking about Dot 5 Silicone. The system has to be flushed and totally dry to convert to that from Dot 3 as they are totally incompatible- mixing them will soften the hoses and swell them shut. Synthetic Dot 3 is compatible with regular Dot 3 so no problem.
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Aloha,
Tim
January '57 Sedan with 40hp big bore |
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Redlabel6
Samba Member
Joined: October 17, 2016
Posts: 394
Location: Minnesota
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| Posted: Sun Jul 31, 2022 11:08 am Post subject: Re: brake fluid - Synthetic DOT 3 |
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I used the DOT 5 in both of my classics. As stated, you must have a totally clean system. I had all new lines, wheel cylinders and master cylinder.
The DOT 5 seems to work well for me.
d
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1957 Oval Window Beetle
1973 Karmann Ghia Coupe
https://www.thesamba.com/vw/forum/viewtopic.php?t=666792&highlight=73+coupe |
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