Air in Brake Lines? - Victory Forums - Victory Motorcycle Forum
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post #1 of 25 (permalink) Old 08-28-2015, 03:25 PM Thread Starter
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Default Air in Brake Lines?

Fairly recently I began needing to give an initial squeeze to my brake lever before applying the brakes. I made a habit a long time ago of flashing my brake lights when I slow down, so I don't know when this issue began to surface. If I do pump the brakes, the bike slows down perfectly. The bike will stop okay without doing it, but the lever will go all the way "floor" so to speak if I brake hard and obviously needs to be fixed.

Does this sound like I have air in the lines? Will this be covered under the warranty? How easy is it to bleed the brakes and get the air out?

Thanks!
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post #2 of 25 (permalink) Old 08-28-2015, 03:51 PM
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How old is the bike?
How old is the brake fluid? Perhaps the fluid needs to be changed out...



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post #3 of 25 (permalink) Old 08-28-2015, 05:10 PM
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I flush/replace all brake fluids every two years.....Its an easy job just be careful not to get any on your paint.
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post #4 of 25 (permalink) Old 08-28-2015, 10:59 PM
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My rear brake is gone, keeps sucking air in at the caliper (I think)
I suspect my fluid was 5 years old, flushed it through with fresh fluid but the problem persists.
Front brake still workd fine but I changed the fluid in it as well and will continue to do so every 12 months.
I fit a hose over the bleeder and suspend the bottom of the hose in a jar of used brake fluid then remove the mastet cylinder cap carefully and crack the bleeder screw a 1/4 to 1/2 turn and pump the fluid through being careful not to let the master reservoir fall to low and suck air in, pump the pedal /lever steadily not to fast and keep the masters topped up.
Youll see bubbles coming out of the bottom of your hose in the jar of fluid, keep pumping and topping up till youre sure all the old brake fluid is out then nip up the bleeder and try the pedal it should be good.
Doesnt hurt to give it another smaller bleed after a test ride just to be sure all the air is out.
If youre lucky itll come good...if not theres kits available for front calipers but strangely not for the rear!!!
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post #5 of 25 (permalink) Old 08-29-2015, 08:54 AM
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I've had the same issue with my '13 XC since I drove it out of the dealership new. I've gone after the front brakes with a Mighty Vac as well as just pump bleeding. I've had the dealership try to bleed them as well and we both have had about the same success which is not much.

To someone who has never ridden the bike they probably wouldn't even notice it but I can feel a slight "pump up" with one lever pull. The bike still stops just fine and it's definitely not a safety issue but from what I understand Victory front brakes can be a bitch to bleed.

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post #6 of 25 (permalink) Old 08-29-2015, 12:51 PM
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When i installed my 4" extensions i was surprised how irritating it was of getting all the air out, and the next day i did it again and still air was coming out .... And as most of us, i did many break with bikes or cars .. So yes i feel your pain ....

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post #7 of 25 (permalink) Old 08-29-2015, 02:04 PM
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Try zip tieing the lever to the grip over night and tapping the brake lines with a screw driver handle.. Give it a good 12 hours under pressure , when you remove the zip tie the air will bubble into the reservoir

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post #8 of 25 (permalink) Old 08-30-2015, 09:22 AM
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Quote:
Originally Posted by Dave S
Try zip tieing the lever to the grip over night and tapping the brake lines with a screw driver handle.. Give it a good 12 hours under pressure , when you remove the zip tie the air will bubble into the reservoir
Sounds like a good idea...I tried it several times and it didn't work.

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post #9 of 25 (permalink) Old 08-30-2015, 12:17 PM
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Turn your handlebars to the left. This will put master cylinder at its highest point. Cover all the paint with whatever.
Now pull cap off and squeeze lever NO more than 1/8 inch.
Do you see air bubbles coming out. Try several times.
No air bubbles then no air in line. Just in case repeat this in a few days.
No air then no air.

Guys stop and think of your car brake pedal it has travel in it so do all breaks

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post #10 of 25 (permalink) Old 08-31-2015, 07:12 AM
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Yes but they shouldn't "pump up".
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