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Change Brake Fluid Every 2 Years?

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Old Sep 9, 2017 | 02:37 PM
  #31  
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My brakes get flushed every 10,000 miles and all the rubber brake lines get replaced every 5 years.
 
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Old Mar 2, 2018 | 05:53 PM
  #32  
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Years ago I had a Beemer touring bike with a 36,000 mile warranty. Within that time I had a rear wheel caliper dragging due to some crud and corrosion. BMW would not honor the repair under warranty because my fluid had not been flushed on a yearly basis. That was in 1987. That was the first time I had heard of fluid flushing on an annual or biannual basis. Annual if you live in a high humidity climate. How many of us do it with our cars? I do it on my cars only when changing brake pads, so not that often. I try to do it on my bikes every other year. A good practice but as I get older that two year period sure comes around faster and faster. :-(
 

Last edited by northshore_paul; Mar 2, 2018 at 05:54 PM.
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Old Mar 2, 2018 | 06:08 PM
  #33  
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Originally Posted by Bub21
Received letter from Harley HQ dated 6/2/17 recommending brake system flush and fluid replacement every two years. They say DOT 4 fluid absorbs water, which degrades brake system effectiveness. Just a ploy to generate business in the service department? Any thoughts?
You'll get a greater benifit from changing your fork oil every two years. It gets dirty and thickens up changing ride quality.

The important thing with brake fluid is to bleed every last little spec of air out of the system.
 
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Old Mar 2, 2018 | 07:06 PM
  #34  
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it seems to catch up with me on the bike if I let it go. cars seem to let you slide longer but you can still feel the difference. Its about being lazy for me. There fine until they start sticking
 
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Old Mar 2, 2018 | 09:51 PM
  #35  
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Originally Posted by voodoodrug
it seems to catch up with me on the bike if I let it go. cars seem to let you slide longer but you can still feel the difference. Its about being lazy for me. There fine until they start sticking
Speaking of sticking, my Electra Glide is a 2000 that I purchased last summer with 16,000 miles on the clock. Since buying it the front brake lever takes a lot of pull to really engage the front brake, to the point that I can't ride with two fingers on the lever and the others on the throttle because they would then be in the way of engaging the lever fully and stopping. I bled the fluid, but no change. There were no leaks and no indications that the master cylinder was having fluid bypassing the piston o rings. I looked on youtube and someone had the identical problem. He said it was due to crud build-up on the calipers and on the pistons and he cleaned both calipers by extending the pistons with the brake lever, cleaning with brake cleaner and then pushing the pistons back in and repeating on the other side. It was worth a try and I did it today. The difference is remarkable, I hardly have to touch the brake lever now to get it engaging. I never heard of anyone doing this before to improve brake response but it sure worked for me and saved me the time and expense of rebuilding the calipers.

 
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Old Mar 5, 2018 | 10:46 AM
  #36  
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Originally Posted by northshore_paul
Years ago I had a Beemer touring bike with a 36,000 mile warranty. Within that time I had a rear wheel caliper dragging due to some crud and corrosion. BMW would not honor the repair under warranty because my fluid had not been flushed on a yearly basis. That was in 1987. That was the first time I had heard of fluid flushing on an annual or biannual basis. Annual if you live in a high humidity climate. How many of us do it with our cars? I do it on my cars only when changing brake pads, so not that often. I try to do it on my bikes every other year. A good practice but as I get older that two year period sure comes around faster and faster. :-(
We have two cars, bought new. Brake fluid change is every 3 years, but they have much more fluid in the system than our bikes, which have barely an egg-cupful iat each end! I've been bleeding bike brakes since the 1970s and don't recall ever NOT doing so at regular intervals.
 
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Old Mar 5, 2018 | 10:59 AM
  #37  
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The answer to the tread title question is, yes.
 
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Old Mar 5, 2018 | 11:36 AM
  #38  
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there use to be alot of posts about getting in there and cleaning calipers. By the time I futz in there.. id rather put them on the table and rebuild,more of a personal thing,during off time.

There was a time when i never changed bf and got lucky for years and years. Now my days are filled with riding and tinkering with the bike.
 
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Old Mar 5, 2018 | 11:46 AM
  #39  
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Originally Posted by Nirvana
My local deal wants $213 for parts and labor (tax extra) to change out the brake fluid. I ordered a Mityvac.
If you have a 2011 as your signature suggests, you are subject to the recall and an H-D dealer will do it for free.
 
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Old Mar 5, 2018 | 02:31 PM
  #40  
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In my 2013 owner's manual there is a note in the brakes scheduled maint. table about changing brake fluid every two years. There is also a single line in the brakes section about the fluid flush. I would think something that could cause death or serious injury would be highlighted better than printed in regular type, especially when it concerns a brake fluid that is hygroscopic in nature. Another RTFM moments.
 

Last edited by seniorsuperglideE8; Mar 5, 2018 at 02:34 PM.
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