at a loss with the front brakes!! Help plz - Road Glide Forums
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post #1 of 20 (permalink) Old 08-16-2018, 01:51 PM Thread Starter
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at a loss with the front brakes!! Help plz

First off, I've got a '11 RGU with 62k miles. I bought it new so I know everything thats been done to it.
I was out for a short ride when the front brake lever got extremely hard to pull. I was able to free it up if I pulled hard enough. It'd be normal for a few miles then go back to hard to pull. I brought it to my indy, who is an excellent mechanic & has a great rep. in the area, he rebuilt the master cylinder, tried bleeding the system but found the ABS module valves weren't functioning correctly. He advised me to take it to the dealership because its a dealer only item, or I could bypass the ABS system altogether.
I decided not to deal with the dealership as I don't trust them, but I picked up a used ABS module from a '13 Ultra w/ 16k miles. The mechanic ended up draining the brake fluid several times to clear all the crap out of the lines. He also pulled both calipers & cleaned/lubricated them. this seemed to fix the issues, I picked it up & only got a couple miles down the road when the front brakes started grabbing so much i had to down shift just to maintain speed. I brought it right back, after it cools down he re-bleeds the brakes, everything seems to work fine until it gets back on the road & heats up, brakes start closing off again.

any tips on what to try next before I have him delete the ABS all together?



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post #2 of 20 (permalink) Old 08-16-2018, 02:43 PM
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How many times since you bought the bike have you had the brake system flushed?

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post #3 of 20 (permalink) Old 08-16-2018, 02:52 PM
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If you didn't buy a new module then you bought someone else's problem.
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post #4 of 20 (permalink) Old 08-16-2018, 03:18 PM Thread Starter
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Quote:
Originally Posted by RGKen View Post
How many times since you bought the bike have you had the brake system flushed?
It's never had the system bled until now. & only found out about the recall while dealing with all this. Dealership serviced the bike for the first 4 yrs & never even suggested it when i'd ask for a full service.

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If you didn't buy a new module then you bought someone else's problem.
The module I bought works fine while hooked up to the bleeding machine. The original wouldn't function at all. The part came off a bike that was totaled from a minor accident, not from a braking issue.


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post #5 of 20 (permalink) Old 08-16-2018, 03:28 PM
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Originally Posted by brhodea View Post
It's never had the system bled until now. & only found out about the recall while dealing with all this. Dealership serviced the bike for the first 4 yrs & never even suggested it when i'd ask for a full service.
That is what I was guessing when I asked the question but let's not worry about that part anymore as it is over and done with.

When your indy replaced the module did he replace all the brake lines as well and do you know if he used DOT 4 brake fluid when he flushed and re-filled the system? If ANY of the rubber components have been contaminated with another type of brake fluid that will cause problems.
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post #6 of 20 (permalink) Old 08-16-2018, 03:32 PM
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Might should have given the dealer a shot before getting this far. When the ABS unit on my 10 took a shit the MoCo volunteered to covered the replacement cost of the unit ... And the bike was several years out of warranty at the time..
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post #7 of 20 (permalink) Old 08-16-2018, 03:40 PM
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How was he bleeding the brakes and making the abs module function? Does he have a tech 2?

Without that, bleeding abs is a crap shoot, almost impossible if you start replacing modules or complete sections of line. I was successful twice after caliper replacements without taking it to the dealer. When I replaced the lines with stainless, not a chance. Luckily I spoke with the dealer when the abs recall came out and they said they would bleed it while doing the recall and didn't care if I just replaced the lines. So I bled it enough to ride to the dealer but it wasn't bled very well. Without a tech 2 and the ability the pulse the abs module, you will not have very good luck bleeding it.
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post #8 of 20 (permalink) Old 08-16-2018, 03:47 PM
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Oh yeah, I am with you on not trusting the dealer. The free abs flush was the only reason I went. Got the bike back and the radio didn't work. They washed it with water and the rubber aux plug was not in the radio. 1 hour later I was on my way. Got on the highway and the brakes sucked bad. That extra hour they kept me put me right in rush hour traffic, I just rode home pissed. Called them and said I was bringing it back first thing in the morning. 4 hours later, bike was back and brakes worked, they said they couldn't find a problem but the brakes magically worked. Then, my abs light wouldn't go off, they said the sensor is probably bad. Wtf wasn't it on before all of this?!?! I am tempted to bypass all the abs bs as well.
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post #9 of 20 (permalink) Old 08-16-2018, 03:55 PM Thread Starter
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Quote:
Originally Posted by RGKen View Post
That is what I was guessing when I asked the question but let's not worry about that part anymore as it is over and done with.

When your indy replaced the module did he replace all the brake lines as well and do you know if he used DOT 4 brake fluid when he flushed and re-filled the system? If ANY of the rubber components have been contaminated with another type of brake fluid that will cause problems.
didn't replace any lines, i'm thinking the inside of the lines are deteriorating and blocking flow back

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Originally Posted by Stoic Joker View Post
Might should have given the dealer a shot before getting this far. When the ABS unit on my 10 took a shit the MoCo volunteered to covered the replacement cost of the unit ... And the bike was several years out of warranty at the time..
The MoCo has already given the solid no on helping. even though my warranty just ended last Jan.


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post #10 of 20 (permalink) Old 08-16-2018, 03:58 PM Thread Starter
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Quote:
Originally Posted by James View Post
How was he bleeding the brakes and making the abs module function? Does he have a tech 2?

Without that, bleeding abs is a crap shoot, almost impossible if you start replacing modules or complete sections of line. I was successful twice after caliper replacements without taking it to the dealer. When I replaced the lines with stainless, not a chance. Luckily I spoke with the dealer when the abs recall came out and they said they would bleed it while doing the recall and didn't care if I just replaced the lines. So I bled it enough to ride to the dealer but it wasn't bled very well. Without a tech 2 and the ability the pulse the abs module, you will not have very good luck bleeding it.
Yes he has the right equipment, I'm probably going to ask him to change the lines.
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