Awesome - FREE Homemade Car Brake Bleeder -- Brake Flush

Awesome - FREE - Homemade Car Brake Bleeder -- Brake Flush -- Absolutely FREE and you can do this working on your own. No need for a helper. Bleeding the brakes with no more than a spray bottle pump, some 6mm (1/4)" and some 8mm tubing. Works brilliantly for a free DIY project. All I did was step up the tube size so that it would fit over the bleed nipple on the car. I tried to stop the bubbles with the grease but it did not work for me. No matter though because the bubbles enter the tubing through the thread and after the Brake cylinder which means that all the air is extracted from the line with vacuum made by the little hand pump. Add some brake fluid and start pumping. Cheers Gerry
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Gerry Kennedy
PM1648997
Unit C1, North City Business Park
North Road, Dublin 11
D11 RW30
Ireland

[martinbenton]

My son and I replaced 3 feet of brake line on his 97 buick a few months ago. We used your first method of brake bleeding. It worked out great Gerry!
MB BAR RANCH

[wouterkellerman]

40 years as a mechanic and never thought of this.

GENIUS!!

[hydewhyte]

If you're going to do it, use a turkey baster (or even the spray bottle) to suck all the old fluid out of the master reservoir and refill it with fresh clean fluid. You'll see the difference in colour. Then bleed the wheels until you see the clean fresh fluid come through. Keep topping up the reservoir. The colour in the fluid is contamination.

[colinwilliamson]

I’ve been bleeding brakes for 50 years - always needed two people. This is brilliant. Many thanks.

[buildthis]

Dude, not even Auto school or professional experience has taught me something this useful as alternatives. Thank you.

[petec]

Done the same thing only using engine vacuum as a pulling source. Found that I was actually pulling air INTO the brake cylinder. It's designed to prevent fluid from leaking when it's pressurized. When pressurized, the seals in the cylinder hold tight, preventing leaks and operating the brakes. When you pull a vacuum from INSIDE the cylinder (engine vacuum or hand pump) air can slip past the seals easily. If you don't get those air bubbles out you're just making a bad situation possibly worse.

Seen these things on the internet before. While people swear they work - and they do work to some degree - they don't do as good a job as is done when the brake system is pressurized from the master cylinder down through the brake tubes and wheel cylinders.

[jiismo]

Like you mentioned air is post fluid system. I worked as a brake and alignment monkey for ~8 years on flat rate. To bleed brakes even after caliper or wheel cyl replacement. Gravity bleed. crack all 4 bleeders let them drip until no more bubbles. close them. Two quick jabs on the pedal after they are closed. then start at furthes and crack bleeder. you'll get 2-3 bubbles and then solid fluid. 99.9% of time won't need a buddy or vacuum to bleed the brakes. usually did this while quoting another car. Worked in a few different shops and everyone did it this way. Quick Fast Easy.

[robertschulke]

If you’re doing the 2-person bleed, know that if the cup in the master cylinder piston hits a ridge on the bore, such as accumulated dirt, you’ll be rebuilding it. Use short half strokes, not all the way to the firewall. A block of wood under the pedal may help.

[camgreer]

This is one of those slap your head obvious solutions...why didn't I think of this myself? Genius, Gerry! Well done.

[mcdoob]

This man deserves a medal. He deserves to be in Guinness world records book. This man deserves a town named after him. This is the smartest thing I’ve ever seen a human being do in my entire life. Thank you sir

[AdamnToronto]

This method takes the fear out of bleeding brakes without a helper. Fantastic!

[toneyjones]

I've been working on cars 30 years I could hug him I appreciate it boss thank you from Houston Texas

[DefundTheFringes]

Caveat: Bubbles further up in the lines will take longer to appear using any vacuum method, since they aren't being pushed by the master cylinder piston. This applies more with wheels further from the master cylinder location, which you should bleed first.

[brandonjohnson]

Today is 9/12/2023...i went to change my brakes and unscrewed the brake fluid line not paying attention..i end up getting air in lines..long story short i used his method and my brakes work amazing..thanks Sir

[michaelsand]

50 years working on cars (shade tree mechanic) and you teach me something new that is extremely useful

[Marc]

Thanks for the great tip. You might want to cut about 4 inches off the top of the empty window cleaner bottle and screw it back into the pump head so you have a more comfortable handle.

[TheCountyBoyz]

Long story short just bought Miracle Gro AA battery powered sprayer in clearance at Walmart for only $2.50! So the “I know I’ll need this feel” is even better when truly works out! Lol

[PAYNEINC]

Yes here is a tip for rusted bolts etc take a empty spray bottle fill with water about 3/4 way up add dish liquid shake well and use it to loosen rusted bolts etc works amazing

[sandym]

Been there and done this.
The advice you were given was totally correct, the bleed nipple threads need to be sealed to ensure there are no bubbles drawn through the threads -
these bubbles would give an indiction that the brake system still has air in it.
or
If we stop bleeding because we assume the bubbles are coming through the thread then were are assuming there are no leaks in the brake system. Dangerouse.
The way I have cured this problem (for vacum or syphon bleeding) is -
* Remove the nipple and get the nipple and the female threads dry.
* Apply a thin coat of automotive silicone sealer to the threads on the nipple.
* Screw the nipple back in and commence bleeding the brake caliper through the nipple.
* When no bubbles in brake fluid coming from the calliper close the nipple.
Repeat this process for all remaining callipers.
The silicon sealer acts as a an airtight gasket while bleeding and corrosion protection for the threads.

[Colinish]

Loosen the Brake reservoir filler cap, gravity will move the fluid out from the bleeder nipple with much less air. Let the bubbles settle out along the clear tube. Air will always rise. No need for a pump. Don't let the reservoir get empty.