Like the topic says, I'm doing alot of "spring cleaning" on my car and one of the things I'm doing is a new clutch master cylinder. I'm wondering if it is worth it to buy a 15-20 dollar bench bleeder for the master cylinder to run fluid though it before I install it or if that moneys better saved?
Thanks guys
06 VW GTI 2.0T:Current
93 SR20DET Nissan 240sx Vert::Sold
96 Acura Integra:Sold
Bench bleeding can be a real pain - what do you get for $15-20 and does it work? If it works the first time and doesnt make a mess, then its worth it - it'll save you some time and brake fluid.
(09-25-2019, 03:18 PM)V1GiLaNtE Wrote: I think you need to see a mental health professional.
not for one time, on the clutch. clutch bleeding is easy and only takes a few minutes. just need a friend.
even if youre doing track days and bleeding your brakes a ton usually the 2 person pump and open method ends up being the least of apain in the ass.
i tried the mity vac, it sucks. I tried speed bleeders, they work well but are easily damaged.
maybe a motiv bleeder might be worth it if they have a cap that fits your car (not that shitty clamp on garbage)
Most of the time, Gravity bleeding = win. Bench bleeding is filling and getting all the air out of the master cylinders before they're bolted into the car. If you dont, it can be a real pain to get the air out once they're in. Sometimes new masters come with a pair of plastic fittings that you thread into the ports and stick some tube on, looped back to the cap, that you can use to bench bleed. Sometimes they work, sometimes they just leak all over the place.
Its hard to justify a tool for one time use, but if it makes life easier... and who knows, you may end up needing it again or pass it around the club.
(09-25-2019, 03:18 PM)V1GiLaNtE Wrote: I think you need to see a mental health professional.
.RJ Wrote:Sometimes new masters come with a pair of plastic fittings that you thread into the ports and stick some tube on, looped back to the cap, that you can use to bench bleed. Sometimes they work, sometimes they just leak all over the place..
I would have figured that all all master/clutch cylinders were packaged with these... I would just go buy some fittings at the hardware store for $2 and use this method instead of spending $20 on a universal bench bleeder (whatever that may be.) Fittings + hose + screw driver = win.
Why do people just post what they are thinking? Without thinking.
2012 Ford Mustang
1995 BMW 540i/A
1990 Eagle Talon TSI AWD
Metal (so they can be reused and not leak), metric barbed fittings for $2 at a hardware store? I dont think so... and most tubing deteriorates pretty quickly when exposed to break fluid so its hard to use it and then store it for later (gets hard/brittle). So yes, $15-20 for correct fittings and tubing that can be used again later without fuss is probably worth it.
(09-25-2019, 03:18 PM)V1GiLaNtE Wrote: I think you need to see a mental health professional.
Don't waste your money. Grab friend, give him a beer, tell him to pump and hold on command...
TWSS.
I Am Mike
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No longer onyachin.
Dave Wrote:tell him to pump and hold on command...
giggity
(09-25-2019, 03:18 PM)V1GiLaNtE Wrote: I think you need to see a mental health professional.
Dave Wrote:Don't waste your money. Grab friend, give him a beer, tell him to pump and hold on command...
Exactly what I decided Ill do. I was just debating it and trying to see if you guys think it would get used more than once. Thanks guys. One last question dot 3 vs dot 4 brake fluid dot 4 just has a higher boiling point so it would be better to put in correct or does it have any other properties to weigh in on. Ive always used dot 3 but Ive always had a slow leak from the master cylinder and dot 3 was the cheapest
06 VW GTI 2.0T:Current
93 SR20DET Nissan 240sx Vert::Sold
96 Acura Integra:Sold
Ive installed a few brake and clutch MCs and have never bench bled. takes a little longer to bleed out but the results are just as good and not nearly as messy.
for clutch temp doesnt matter, just get whatever fluid the MC calls for.
DroptopS13 Wrote:Dave Wrote:Don't waste your money. Grab friend, give him a beer, tell him to pump and hold on command...
Exactly what I decided Ill do, the bench bleeder was kinda shitty and my friends finger will worth just as well. Ummm, not the best post to put up after RJ's sick mind makes its way to a thread...
DOT 3 should be fine for your purposes. If you start tracking the car or experiencing a mushy pedal on a spirited "cruise", do some ducting and THEN you get some better fluid, bigger rotors/calipers, or sack up and brake later 
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