[Major]

What is your favorite way / tool to flush old brake fluid with new?

My 2013 Kia Optima with 100k Kms / 60k miles has some murky brake fluid in the calipers.

Pump, hold, open bleed screw, close bleed screw is very slow and painful. Need a better way.

[Jaime]

Pressure bleeding is the best way if you have the set-up. Otherwise, pedal bleed for best results. The last option is vacuum bleeding, but always a potential issue with ABS systems.

[Richard]

In my race car, I’ll pull everything out of the MC with a turkey baster type siphon tool and fill with fresh.

Then I bleed one corner at a time, starting with the furthest from the MC.

Can do it with someone in the seat, or a VAC/press bleeder. Wait until you see clear fluid coming out.

[Richard]

Pressure bleeder works great. Look up Motive Bleeder. Or they sell ones that use a compressor.

[Orion]

If you don’t want to buy anything and just get it done. Suck out old fluid from MC with turkey baster or large syringe. Top off with fresh fluid, then open all 4 bleeders and let it gravity bleed for 15 to 20 mins while watching and topping off MC. Never let it run empty. Then bleed normal to confirm new fluid coming out.

[Michael]

With an expensive pressure bleeder one also needs an air compressor, suck old from MC, then add clean fluid & bleed normally till fluid is clear, refill MC.

[Author]

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