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Rear brakes question.
Posted: 03:46 pm Feb 20 2011
by Fatherof2
Hi Gang,
I took the KDX apart for cleaning and greasing. When I removed the swingarm pivot axle, I had to push the rear brake lever down to access the nut. I put a piece of carboard between the brake pads before I did this. Do I need to take the caliper apart to press the brake piston back in?
Thanks for any advice,
D.
Posted: 04:16 pm Feb 20 2011
by Brian
No, you should be able to just push the piston in with your thumbs. Make sure you wipe off the piston so you don't push any dirt into the seal.
Posted: 06:19 pm Feb 20 2011
by rbates9
Next time, remove the swing arm nut before you remove the rear wheel so the rotor will keep the pads apart. Also when you remove the rear wheel you can twist the wheel around a little bit to push the pads back so it is easier to reinstall the wheel.
Posted: 07:37 pm Feb 20 2011
by scheckaet
use a screwdriver to spread them apart if u need
Posted: 07:50 pm Feb 20 2011
by Mr. Wibbens
I usually just remove the pedal
Posted: 08:12 pm Feb 20 2011
by Slick_Nick
scheckaet wrote:use a screwdriver to spread them apart if u need
That's what she said!
Posted: 06:52 am Feb 21 2011
by Fatherof2
Thanks for the help guys.
Just a couple more quick questions.
1. Can I use a turkey baster to remove the old fluid?
2. What do you reccomend for brake fluid? Any DOT 4?
Thanks again,
David
Posted: 07:35 am Feb 21 2011
by KarlP
1. Can I use a turkey baster to remove the old fluid?
Yup.
I usually do that and then pour in fresh fluid and run a tube from the bleed screw down into a coke bottle with a couple inches of brake fluid in it. I keep pumping it through until it runs clear and then bleed as normal.
I thought it needed to be DOT 3 or 5? Someone else can answer that. I don't recall.
Posted: 08:05 am Feb 21 2011
by TWMOODY
3 or 4 is good
4 is better than 3
Posted: 08:46 am Feb 21 2011
by Fatherof2
Thanks Karl & TW.
D.
Posted: 01:07 pm Feb 21 2011
by Mr. Wibbens
A mighty vac really makes it easy to remove the old fluid through the bleed screw and draw fresh fluid through the brake system
Posted: 04:35 pm Feb 21 2011
by Fatherof2
Mr. Wibbens wrote:A mighty vac really makes it easy to remove the old fluid through the bleed screw and draw fresh fluid through the brake system
Makes sens Whib. I think I will grab one at Harbor Freight. My buddies bike could use a flush as well. Probbly worth the investment.
Posted: 04:42 pm Feb 21 2011
by Mr. Wibbens
I've posted it many times...
You will need to take the bleeder screw completely out and carefully wrap just the threads in teflon tape, else the mighty vac will pull air right through the threads
I've heard that the teflon tape breaks down in brake fluid so you don't want to get any loose ends, but I've never had any issue wit it