Best way to change brake fluid
#5
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Joined: Dec 2007
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From: North Carolina or Kentucky. Take your pick
#6
Suck out master as stated earlier , then just open bleeders , let drain , but do let master res. empty .
Many yrs. of doing , many yrs. of following extended anti-lock brake procedures , have done this on all kinds , exotic what have you , hasn't caused an issue yet .
The easiest , is have it on lift and step latter to watch & fill res. , it can get involved if you let res. go empty and introduce air , then follow manufactures recommendations .
Do not work peddle while draining , only after all bleeders are closed .
No bottle / catch , being that most brake fluids are water soluble , just flush floor to drain .
Many yrs. of doing , many yrs. of following extended anti-lock brake procedures , have done this on all kinds , exotic what have you , hasn't caused an issue yet .
The easiest , is have it on lift and step latter to watch & fill res. , it can get involved if you let res. go empty and introduce air , then follow manufactures recommendations .
Do not work peddle while draining , only after all bleeders are closed .
No bottle / catch , being that most brake fluids are water soluble , just flush floor to drain .
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#9
Use one of those boat engine oil suckers. I use it for everything from changing jetta oil (fat dipstik tube) to doing brakes. I bleed brakes on every brake maintenence event.
1. suck all old fluid from master cyl with boat sucker
2. fill to top with new unopened or recent known fluid (absorbs moisture)
3. do a brake and bleed with boat sucker hooked to bleed nipple. Do the normal yell to wife and fight over her inability to adapt to the timing. Then get son out and get done in 30 seconds. Pump and bleed til fluid clear and pedal hard. Every brake refill reservoir.
added note. I usually open bleeder when depressing caliper pucks for new pads to see old fluid exit and not push the old fluid into brake line. If nipples bind (not wife) on caliper use teflon tape or neverneize on threads.
Also plan on putting caliper grease on any floating pins. If caliper won't slide on pins pull them out and clean,derust and polish,grease as needed. I carefully wirebrush and apply neverseize or moly caliper lube to metal brake ear surfaces. Not on rotors , or clean with brake cleaner if any grease on them after assembly.
**since I started this there have been no problems with pad wear or squeal (except wife.. she hates when I call her to bleed) on any vehicles in 15 years . Jeep 2002 bleeders were all tough to break loose and got neverseize to get smooth. That boat sucker holds over a gallon and ther is nothing to tip over.
On some rear brake calipers you may need to spin the pucks in (emergency brake system) and not get crazy with the big c-clamp which will destroy the caliper. I bought the spin in kit from napa for 30 bucks or so 10 years ago and find it a pain in the *** but a necessity.
Good luck..
1. suck all old fluid from master cyl with boat sucker
2. fill to top with new unopened or recent known fluid (absorbs moisture)
3. do a brake and bleed with boat sucker hooked to bleed nipple. Do the normal yell to wife and fight over her inability to adapt to the timing. Then get son out and get done in 30 seconds. Pump and bleed til fluid clear and pedal hard. Every brake refill reservoir.
added note. I usually open bleeder when depressing caliper pucks for new pads to see old fluid exit and not push the old fluid into brake line. If nipples bind (not wife) on caliper use teflon tape or neverneize on threads.
Also plan on putting caliper grease on any floating pins. If caliper won't slide on pins pull them out and clean,derust and polish,grease as needed. I carefully wirebrush and apply neverseize or moly caliper lube to metal brake ear surfaces. Not on rotors , or clean with brake cleaner if any grease on them after assembly.
**since I started this there have been no problems with pad wear or squeal (except wife.. she hates when I call her to bleed) on any vehicles in 15 years . Jeep 2002 bleeders were all tough to break loose and got neverseize to get smooth. That boat sucker holds over a gallon and ther is nothing to tip over.
On some rear brake calipers you may need to spin the pucks in (emergency brake system) and not get crazy with the big c-clamp which will destroy the caliper. I bought the spin in kit from napa for 30 bucks or so 10 years ago and find it a pain in the *** but a necessity.
Good luck..
#12
#15
I worked on the big brown trucks for 15 years, and all we did is crack the bleeder on each wheel 1 at a time and keep the m/c full, and run until clear. Unless the system is empty, you should never need a power bleeder. To make it a little less mess, take 3 foot of 3/16 id vac hose and push it over the bleeder and run into a jug or pan with floor dry. This will not take 20 minutes. If you feel the need to spend $50 on a bleeder, just send me the $$ and I will send the 3' hose.