Brake Fluid Flush
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Laughing Gas
Joined: May 2014
Posts: 947
Likes: 329
From: Colorado Rockies
Brake Fluid Flush
Any tips on an easy way to flush brake fluid? Do I need any special equipment? I have several vehicles due and would like to do it myself. I had one done at the dealer last year and it cost $225.
I'm thinking just like bleeding brakes; open the furthest bleed valve and pump fluid through with the brake pedal until it's clear; of course, keeping the reservoir full and not letting air in the system.
I'm thinking just like bleeding brakes; open the furthest bleed valve and pump fluid through with the brake pedal until it's clear; of course, keeping the reservoir full and not letting air in the system.
Laughing Gas
Joined: Aug 2021
Posts: 899
Likes: 501
I use a pneumatic brake bleeder with automatic reservoir refilled from harbor freight that works well for me.
Suck out the top 2/3 -3/4 of the reservoir and top off with fresh fluid. Dont suck it dry as you don’t want to get air in the system.
Based on the location of the master cylinder you work from the farthest wheel to the closest wheel until all the old fluid is flushed from the system. I always make a pass the old fashioned way just to be 100% sure there is no air.
Whatever you do do not let the reservoir run dry.
a few days prior to the job give the bleeders a squirt of penetrating oil.
It is an easy job
Bob
Suck out the top 2/3 -3/4 of the reservoir and top off with fresh fluid. Dont suck it dry as you don’t want to get air in the system.
Based on the location of the master cylinder you work from the farthest wheel to the closest wheel until all the old fluid is flushed from the system. I always make a pass the old fashioned way just to be 100% sure there is no air.
Whatever you do do not let the reservoir run dry.
a few days prior to the job give the bleeders a squirt of penetrating oil.
It is an easy job
Bob
Fleet Mechanic
Joined: Jul 2000
Posts: 1,492
Likes: 344
From: SE Iowa
Motiv pressure bleeder here as well. I'm actually getting ready to use it for the first time tomorrow as the brake fluid I ordered arrived today. If your needing Dot 4 LV, Rockauto had the best price for Motorcraft PM20 at $8.35/quart when I was shopping.
Laughing Gas
Joined: Jan 2022
Posts: 777
Likes: 425
If you don't have air in the system, it isn't as vital to start with the caliper farthest from the master cylinder. You're just doing a fluid exchange. It is quite satisfying to watch the dark coffee colored fluid change to light yellow.
Lead Driver
Joined: Nov 2005
Posts: 8,456
Likes: 4,952
As easy to do it that way as not.
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Laughing Gas
Joined: May 2014
Posts: 947
Likes: 329
From: Colorado Rockies
Thanks for the advice. I will probably pick this one up from Harbor Freight; it should be fine for use every few years.
Look ok? https://www.harborfreight.com/search?q=brake%20bleeder
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