Brake Fluid
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Stellar HDF Member
Joined: Feb 2011
Posts: 3,048
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From: Central Jersey
Brake Fluid
So awhile ago when I was gathering parts and oils for when the time came to rebuild my bike, the dealer gave me a thing of DOT 5 silicone brake fluid.. i didn't think much of it.. well now going through the owners manual and service manual, everything refers to using DOT 4 brake fluid (glycol, etc etc).. So either: which is right, and what do you guys use?
My dad has DOT 5 in his 2000 NightTrain, and has always had problems with his brakes not functioning properly and leaks and bad seals and everything and never realized that he was actually using DOT 5..and had a moment of clarity when he realized that he might have been using the wrong stuff for a few years now
ps this is for a non-ABS system.
My dad has DOT 5 in his 2000 NightTrain, and has always had problems with his brakes not functioning properly and leaks and bad seals and everything and never realized that he was actually using DOT 5..and had a moment of clarity when he realized that he might have been using the wrong stuff for a few years now
ps this is for a non-ABS system.
Seasoned HDF Member
Joined: Jan 2011
Posts: 157,420
Likes: 56,987
From: Michigan 15 Minutes East Of Hell
So awhile ago when I was gathering parts and oils for when the time came to rebuild my bike, the dealer gave me a thing of DOT 5 silicone brake fluid.. i didn't think much of it.. well now going through the owners manual and service manual, everything refers to using DOT 4 brake fluid (glycol, etc etc).. So either: which is right, and what do you guys use?
My dad has DOT 5 in his 2000 NightTrain, and has always had problems with his brakes not functioning properly and leaks and bad seals and everything and never realized that he was actually using DOT 5..and had a moment of clarity when he realized that he might have been using the wrong stuff for a few years now
ps this is for a non-ABS system.
My dad has DOT 5 in his 2000 NightTrain, and has always had problems with his brakes not functioning properly and leaks and bad seals and everything and never realized that he was actually using DOT 5..and had a moment of clarity when he realized that he might have been using the wrong stuff for a few years now
ps this is for a non-ABS system.
Thread Starter
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Stellar HDF Member
Joined: Feb 2011
Posts: 3,048
Likes: 3
From: Central Jersey
That's actually the best advice.. I already knew the differences between DOT 4 and DOT 5, the dealer told me DOT 5 was the right fluid, although every book i own says DOT 4.. then i read that and was like "Oh yeah..it's daggum labelled".. and the Master Cylinder Cap says clear as day "DOT 4".. so i'm gonna try to exchange my unopened bottle tomorrow and be like "Stop lying to me you bums.. now gimmie a free tshirt.".. mostly because i'm a pretty "by the book" kind of guy, especially when it comes to machines and what fluid goes into them.. i'm sure DOT 5 wouldn't hurt me, but i'd rather just do what 2 different books + 1 cap says and go with the 4.. also where I am, it doesn't really get hot enough that the higher boiling point would be a factor
Last edited by Sgt_Jim; Apr 5, 2011 at 09:31 PM.
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