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Author Topic: Brake Fluid  (Read 2595 times)

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Offline Gary Puckett

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Brake Fluid
« on: October 19, 2009, 05:41:31 PM »
Honda car dealers claim that only Honda brake fluid should be used in Honda cars. I have a full bottle left over from having Honda cars. Is it appropriate to use for a classic Honda C B 750? It is Dot 3. Is this just a gimmick to sell Honda brake fluid?
« Last Edit: October 19, 2009, 06:24:54 PM by Gary Puckett »
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Offline Steve F

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Re: Break Fluid
« Reply #1 on: October 19, 2009, 05:46:31 PM »
DOT3 brAKe fluid is all the same stuff as far as I'm concerned.  Just don't keep brAKe fluid around too long in opened (as in broken-seal containers) for more than a few months as the stuff absorbs moisture.
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Offline Steve F

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Re: Break Fluid
« Reply #2 on: October 19, 2009, 05:53:44 PM »
So Gary, is this you?  How's the band been doin' lately?  ;D

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Offline TwoTired

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Re: Break Fluid
« Reply #3 on: October 19, 2009, 05:56:18 PM »
I'm not sure it is possible to break a fluid.  Perhaps if you freeze it first....  Of, course it is no longer a fluid then, is it?
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Lloyd... (SOHC4 #11 Original Mail List)
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Offline Gary Puckett

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Re: Break Fluid
« Reply #4 on: October 19, 2009, 06:16:25 PM »
I guess you earned your stars for sarcasm?
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Offline TwoTired

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Re: Break Fluid
« Reply #5 on: October 19, 2009, 06:24:20 PM »
No, I had sarcasm well before any stars.
I also had English spelling and grammar lessons.
Have schools changed that much since the 50s?

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Lloyd... (SOHC4 #11 Original Mail List)
72 500, 74 550, 75 550K, 75 550F, 76 550F, 77 550F X2, 78 550K, 77 750F X2, 78 750F, 79CX500, 85 700SC, GL1100

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Offline mick7504

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Re: Break Fluid
« Reply #6 on: October 19, 2009, 06:44:18 PM »
Quote from: Steve F on October 19, 2009, 05:46:31 PM
DOT3 brAKe fluid is all the same stuff as far as I'm concerned.  Just don't keep brAKe fluid around too long in opened (as in broken-seal containers) for more than a few months as the stuff absorbs moisture.
Yep agree.
Dot 3 is Dot 3.
Dot 4 is Dot 4 which supposedly doesn't absorb moisture as readily as Dot 3.
Even Toyota today reccomend using Dot 3 in their systems.
I have heard that using Dot 4 in their systems can cause major havoc.
It appears to be a bone of contention like the engine oil discussion - But we're not going there!! ;D ;D
Dot 3 is the devil we know and I think it is the safest bet providing the container has been well sealed.
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Offline Retro Rocket

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Re: Break Fluid
« Reply #7 on: October 19, 2009, 06:51:03 PM »
Quote from: mick7504 on October 19, 2009, 06:44:18 PM
Quote from: Steve F on October 19, 2009, 05:46:31 PM
DOT3 brAKe fluid is all the same stuff as far as I'm concerned.  Just don't keep brAKe fluid around too long in opened (as in broken-seal containers) for more than a few months as the stuff absorbs moisture.
Yep agree.
Dot 3 is Dot 3.
Dot 4 is Dot 4 which supposedly doesn't absorb moisture as readily as Dot 3.
Even Toyota today reccomend using Dot 3 in their systems.
I have heard that using Dot 4 in their systems can cause major havoc.
It appears to be a bone of contention like the engine oil discussion - But we're not going there!! ;D ;D
Dot 3 is the devil we know and I think it is the safest bet providing the container has been well sealed.

Interesting,i have ALWAYS used dot 4 brake fluid and never had a problem.
Just went out and checked and its definitely dot4....

Mick
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Offline mick7504

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Re: Break Fluid
« Reply #8 on: October 19, 2009, 07:09:25 PM »
Quote from: retro rocket on October 19, 2009, 06:51:03 PM
Quote from: mick7504 on October 19, 2009, 06:44:18 PM
Quote from: Steve F on October 19, 2009, 05:46:31 PM
DOT3 brAKe fluid is all the same stuff as far as I'm concerned.  Just don't keep brAKe fluid around too long in opened (as in broken-seal containers) for more than a few months as the stuff absorbs moisture.
Yep agree.
Dot 3 is Dot 3.
Dot 4 is Dot 4 which supposedly doesn't absorb moisture as readily as Dot 3.
Even Toyota today reccomend using Dot 3 in their systems.
I have heard that using Dot 4 in their systems can cause major havoc.
It appears to be a bone of contention like the engine oil discussion - But we're not going there!! ;D ;D
Dot 3 is the devil we know and I think it is the safest bet providing the container has been well sealed.

Interesting,i have ALWAYS used dot 4 brake fluid and never had a problem.
Just went out and checked and its definitely dot4....

Mick
Mick
I've done the same myself without any problems too.
I did hear that not using Dot 3 in the late model Toyota Landcruiser systems can be an expensive mistake.
It is hard to know what is right and what isn't and what to believe.
I guess by putting in what the manufacturer reccomends at least covers your backside.
Mick
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Offline Retro Rocket

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Re: Brake Fluid
« Reply #9 on: October 19, 2009, 07:12:51 PM »
I think most of the confusion can be attributed to Auto manufacturers wanting customers to use their own products, i am not too sure about the cruisers though, next time i see my mechanic i will ask and see what he says..

Mick
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Offline Don R

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Re: Brake Fluid
« Reply #10 on: October 19, 2009, 07:26:33 PM »
Look Steve, he's in woodstock too!  Sorry, Gary I'm a smartass too. D.
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Offline mick7504

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Re: Brake Fluid
« Reply #11 on: October 19, 2009, 08:22:02 PM »
Pre Woodstock  ;D

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Offline 1974CB750rider

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Re: Brake Fluid
« Reply #12 on: October 19, 2009, 08:28:41 PM »
I've heard that if you have a brand new brake system on our old bikes, and when I say new I mean everything. New lines that have never been used, new or fresh built and clean master cylinder and caliper you can use dot 4 but have been told not to mix dot 4 and dot 3. As far as brake fluid goes Dot 3 is Dot 3 I don't care if it comes from the dealer or from the local parts store.
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Offline Jerry Rxman Griffin aka MuthaF'er

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Re: Brake Fluid
« Reply #13 on: October 19, 2009, 10:52:13 PM »
Oh boy, here we go again PLUS the crowd is in another of it's moods  8)

TT uses spell check ha ha  ;) We don't need no education according to Pink Floyd.

Just for all this I'll mention DOT5 and leave it at that.

No one usually means any harm here. We actually mean to prevent harm.
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Offline BeSeeingYou

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Re: Brake Fluid
« Reply #14 on: October 19, 2009, 11:10:47 PM »
Quote from: Jerry Rxman Griffin on October 19, 2009, 10:52:13 PM
Oh boy, here we go again PLUS the crowd is in another of it's moods  8)

TT uses spell check ha ha  ;) We don't need no education according to Pink Floyd.

Just for all this I'll mention DOT5 and leave it at that.

No one usually means any harm here. We actually mean to prevent harm.

I used a can labeled synthetic Dot3&4 when I rebuilt my break ;D system.  Why, because it was sitting on my shelf unopened.  So far so good.  Are two Dots better than one? ;D
« Last Edit: October 19, 2009, 11:48:19 PM by srust58 »
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Offline mick7504

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Re: Brake Fluid
« Reply #15 on: October 19, 2009, 11:23:59 PM »
Quote from: Jerry Rxman Griffin on October 19, 2009, 10:52:13 PM
Oh boy, here we go again PLUS the crowd is in another of it's moods  8)

TT uses spell check ha ha  ;) We don't need no education according to Pink Floyd.

Just for all this I'll mention DOT5 and leave it at that.

No one usually means any harm here. We actually mean to prevent harm.
Please mister please - not the Dot 5.
We didn't mean it - Promise we'll all be good boys now  :o  :o

Did someone mention Dot 5.1???????
"We Gotta Get Outa This Place"  ;D  ;D
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Offline w1sa

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Re: Brake Fluid
« Reply #16 on: October 19, 2009, 11:40:49 PM »
They've all been superceded by Dyna Dot X.............and it guarantees not to brake your stopping system................. ;D
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Offline mick7504

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Re: Brake Fluid
« Reply #17 on: October 19, 2009, 11:56:34 PM »
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Offline Steve F

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Re: Brake Fluid
« Reply #18 on: October 20, 2009, 03:53:11 AM »
Quote from: srust58 on October 19, 2009, 11:10:47 PM
Quote from: Jerry Rxman Griffin on October 19, 2009, 10:52:13 PM
Oh boy, here we go again PLUS the crowd is in another of it's moods  8)

TT uses spell check ha ha  ;) We don't need no education according to Pink Floyd.

Just for all this I'll mention DOT5 and leave it at that.

No one usually means any harm here. We actually mean to prevent harm.

I used a can labeled synthetic Dot3&4 when I rebuilt my break ;D system.  Why, because it was sitting on my shelf unopened.  So far so good.  Are two Dots better than one? ;D
By mixing them you now have DOT3.5
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Offline Inigo Montoya

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Re: Brake Fluid
« Reply #19 on: October 20, 2009, 06:10:21 AM »
Hmm mick's article does not mention synthetics. I use a synthetic dot4. Has worked very well. Regardless, a person should drain and refill their fluid every other year if not every third year. Just my thoughts.
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Offline Retro Rocket

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Re: Brake Fluid
« Reply #20 on: October 20, 2009, 05:03:14 PM »
Quote from: w1sa on October 19, 2009, 11:40:49 PM
They've all been superceded by Dyna Dot X.............and it guarantees not to brake your stopping system................. ;D

Ahhhh but does it stop your braking system..... ;D

Mick
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Offline 1974CB750rider

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Re: Brake Fluid
« Reply #21 on: October 20, 2009, 05:15:15 PM »
Have you heard about the new brake fluid thats coming out at the first of the year. Its called DYNA 6.  ;D ;D ;D ;D ;D ;D ;D
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