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BRAKE FLUID CHANGE

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Old Jun 17, 2006 | 10:52 AM
  #1  
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Default BRAKE FLUID CHANGE

CALLING ALL EXPERTS. I cannot find anything in the owners manual or service manual that states when brake fluid should be changed. Does anyone know?My lever comes almost to the grip and I am concerned that if I really have to lean on it hard for and emergency stop that I wont have the necessary clearance to brake hard by getting enough pressure through the system. I know I have plenty of pad left. Gonna bleed to check for air since I feel some spongyness. Dealer is trying to convince me to convert to the better 06 DOT 4 system which involves rebuilding the calipers and master cylinder and comes to near $500.00. ANY IDEAS?? I am heading out to Harleys HOG WILD WEST IN Billings this next week and cant afford to gamble on brakes. THANKS GUYS. MACK
 
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Old Jun 17, 2006 | 11:08 AM
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Default RE: BRAKE FLUID CHANGE

My '06 Touring manual states "Change D.O.T.4 and flush brake system every 2 years".
If it has been 2 yrs. or more I would do this,but sounds like fluid level is low or there is air in the system.
I'm pretty sure that dot3 & 4 are about the same,but I would use what is on the master cyl. cover.
 
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Old Jun 17, 2006 | 12:32 PM
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Default RE: BRAKE FLUID CHANGE

You may what to check, but I thought that DOT 4 was backward's compatible with DOT 3. But not vice-versa.
 
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Old Jun 17, 2006 | 02:21 PM
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Default RE: BRAKE FLUID CHANGE

I believe Dot 4 and 3 are compatable. Dot 5 is silicone based and is not compatable.
 
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Old Jun 17, 2006 | 03:10 PM
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Default RE: BRAKE FLUID CHANGE

MY MANUAL SAYS DOT 5, WHICH IS SILICONE BASED.
 
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Old Jun 17, 2006 | 07:12 PM
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Default RE: BRAKE FLUID CHANGE

i've never changed brake fluid in any vehicle i've ever owned. my 85 still has the original brake fluid from the factory. but if it makes you feel better feel free to change it. just my opinion but if it ain't broke don't fix it.
 
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Old Jun 17, 2006 | 07:18 PM
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Default RE: BRAKE FLUID CHANGE

My '04 FLTRI had the same symptom. Seems the pistons in the calipers need cleaning ocasionally. The service department cleaned mine up and all was perfect......nice and tight.
 
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Old Jun 17, 2006 | 10:50 PM
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Default RE: BRAKE FLUID CHANGE

ANYMORE IDEAS. GOOD INFO SO FAR. THANKS GUYS
 
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Old Jun 17, 2006 | 11:23 PM
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Default RE: BRAKE FLUID CHANGE

Mack
With DOT 5 you don't need to worry about it mixing with water and contaminating the fluid. Water is heavier than the fluid so it goes to the bottom of the system. Occasionally you should run some fluid through to discharge that water. You can accomplish that discharge of water when bleeding the brakes by just bleeding more fluid through the system.

Bleeding the front brakes is not the easiest task. If you drain the fluid by pulling the banjo bolts in the callipers, you may want to fill it from the bottom up. See this link. http://www.moccsplace.com/images/bra...er/bleeder.htm It shows you how to fill from the bottom and minimize air in the system.

DO NOT USE DOT 4 IN A SYSTEM DESIGNED FOR DOT 5.

Ride safe.
 
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Old Jun 18, 2006 | 03:32 PM
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Default RE: BRAKE FLUID CHANGE

Don't open it don't mess with it if it dont leak.

[IMG]local://upfiles/3159/2948D7F0936B479A9E642260270694BD.jpg[/IMG]
 
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