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Brake Fluid Change...TIPS, SUGGESTIONS, HELP!!

1.3K views 12 replies 6 participants last post by  Josh (TX)  
#1 ·
I am putting brake fluid in the fronts which are bone dry right now. I have loosened the bleeder screw on the left side brake caliper, put brake fluid in the resevior and am pumping the brakes like crazy. The only problem is that it doesn't seem to be doing anything. The fluid level is not going down and there is no fluid visible in the bleeder hose.

Am I doing anything wrong? I need front brakes so any suggestions would be appreciated. Thanks.
 
#2 ·
Get a vacuum pump to draw the fluid down and just take it slow and easy. Don't let the reservoir run dry though.

I would give it about 20 min per side if you put in new brake lines.

seems to take forever, but considering what you've got riding on it, worth the wait and patience.
 
#3 ·
Okay, being the impatient person that I am, I finally got it going and fluid and bubbles are flowing through the tube. The resevior is SLOWLY going down and here is my next question...

I have the Galfer steel braided lines with the bleeder screw at the end of the master cylinder. Of course, there are two bleeder screws on the calipers, one for each side. WHAT ORDER DO I BLEED THEM IN?

Thanks again.
 
#5 ·
Right on...left caliper, right caliper and THEN master cylinder.

Thanks guys.
 
#6 ·
Get a wet towel and wrap it under the master cylinder reservoir and put one under the bleeder you are using. That way when you spill fluid you can wipe it ith water immediately and not damage any paint.
 
#7 ·
mity vac... 40 bucks at local auto parts store.... worth every penny in arm pump. :laugh :laugh :laugh :stupid
 
#8 ·
You guys are awesome...thanks for all the suggestions.

Now, should I keep pumping, even if I see the most tiniest of air bubbles or are they normal?

When should I bleed them again? I think I heard that you should "Re-Bleed" them the next day or so...is that true?
 
#9 ·
My own practice is to bleed them to the best I can... as in make sure there's plenty of pressure and 99% of the air out. Ride for about 5-10 miles or wait a day and re-bleed. That usually results in some solid air-free lines.

:thumbup
 
#10 ·
zippytls said:
mity vac... 40 bucks at local auto parts store.... worth every penny in arm pump. :laugh :laugh :laugh :stupid
I just borrowed one from a friend to use this weekend.

How do you use the damn thing? I've got the hand held pump and two clear lines.
 
#11 ·
Josh (TX) said:
I've got the hand held pump and two clear lines.
You should have a catch bottle for the fluid as well. If you get fluid in the vac, it can screw it up.

Find the suction tip, hook up a line, add said collector bottle, hook up another hose from that to your brake bleeder. All parts should basically be in line together. Vac-line-bottle-line-bleeder.

That should pretty much get you started.

:thumbup
 
#12 ·
Thanks for the help everyone.