Brake bleed question - Page 2 - SV650.org

northwind · 02-05-06, 11:01 PM

Bloody awful, those things. Mityvac does the job far better, and without the bodging.

TSM · 02-05-06, 11:07 PM

You could try pushing the pistons in the calipers all the way back and re blead, that way it may dislodge any air that could have become trapped behind the piston, it also has less of a chamber to have oil in and so its much quicker.

I find tapping the calipers with the end of a screwdriver while bleeding helps moving air bubbles out.

I did my new calipers in about 5 mins the way i discribed.

Sid Squid · 03-05-06, 02:54 PM

Quote:

Originally Posted by northwind

Bloody awful, those things.

True.

Mityvac is still un-necessary though.

northwind · 03-05-06, 03:37 PM

Yup, but still nice to have, when you can't bleed brakes for toffee

03-05-06, 03:41 PM

Quote:

Originally Posted by northwind

Yup, but still nice to have, when you can't bleed brakes for toffee

That would be me then... I've screwed up every set of brakes I've ever worked on.

northwind · 03-05-06, 04:05 PM

I can do it... But it always works like this. Basically, I repeat the process over and over endlessly and nothing happens, then it suddenly works without changing anything. Or it works first time. Or it just doesn't work for ages... All using the typiacl bit of clear hose, squeeze and bleed technique. Drives me insane, I wouldn't mind if it either worked or didn't but when it doesn't work for ages then suddenly works it's maddening.

Honestly, the hardest bit of teh front end swap for me was bleeding the *(^&ing brakes.

03-05-06, 04:46 PM

Tie the brake leaver to the grip, leave overnight. Rinse and repeat...

TSM · 03-05-06, 04:47 PM

Quote:

Originally Posted by Razor

Tie the brake leaver to the grip, leave overnight. Rinse and repeat...

Dont do it too much or the MC & brake seals may pop or get damaged.

embee · 03-05-06, 04:57 PM

I'm firmly in the mityvac camp

The squiddly one insists they are not essential, well no they're not, but I've never had any issues getting properly bled brakes on anything first go in only a few minutes using one.

How essential does it have to be to avoid all the hassles some folks seem to have getting a properly bled system? That's what tools are for, making life easier

A good advantage of the mityvac is that you can empty out the reservoir first before adding any new fluid, avoiding mixing old/new or risking getting air in when pumping low. Yes there are other ways of emptying a reservoir without one, but it's easy with it.

You pays your money.................

03-05-06, 05:01 PM

I'm gonna ask a nursey for a big syringe tommorrow, cheap as junkie breath.

02-05-06, 11:01 PM	#11
northwind Moderator Mega Poster Join Date: Jan 2004 Location: In the garage where I belong Posts: 17,083	Bloody awful, those things. Mityvac does the job far better, and without the bodging. __________________ "We are the angry mob, we read the papers every day We like what we like, we hate what we hate But we're oh so easily swayed"

02-05-06, 11:07 PM	#12
TSM The Sick Man Mega Poster Join Date: Nov 2004 Location: Peckham.SE.LDN Posts: 4,768	You could try pushing the pistons in the calipers all the way back and re blead, that way it may dislodge any air that could have become trapped behind the piston, it also has less of a chamber to have oil in and so its much quicker. I find tapping the calipers with the end of a screwdriver while bleeding helps moving air bubbles out. I did my new calipers in about 5 mins the way i discribed. __________________ OTR: KTM 690 Duke R 2015 Full Akro SIDELINE: Kwak ZX636 A1P 2002, Red, R&G's, Yoshi, Double Bubble Screen GONE: Kwak ZX-7R P1, Full Akro, Undertray, Screen GONE: SV650S K2 Very Bruised & Without Fairing, Motovation Frame Sliders, R&G Ally Sprocket Toe Protector, HEL 2 Line Setup, GSXR K1 600 RWU Forks, Barnett Clutch & Springs, Penske 8981 Shock, Gilles Ti Rearsets, Steel Barends, Scottoiler, AFAM Chain & Sprockets, Twin FIAMM Horns, Skidmarx Bellypan, Full Micron Zeta Steel System, Cut down undertay. Forum Problems & Information / Site Suggestions

03-05-06, 03:37 PM	#14
northwind Moderator Mega Poster Join Date: Jan 2004 Location: In the garage where I belong Posts: 17,083	Yup, but still nice to have, when you can't bleed brakes for toffee __________________ "We are the angry mob, we read the papers every day We like what we like, we hate what we hate But we're oh so easily swayed"

03-05-06, 04:05 PM	#16
northwind Moderator Mega Poster Join Date: Jan 2004 Location: In the garage where I belong Posts: 17,083	I can do it... But it always works like this. Basically, I repeat the process over and over endlessly and nothing happens, then it suddenly works without changing anything. Or it works first time. Or it just doesn't work for ages... All using the typiacl bit of clear hose, squeeze and bleed technique. Drives me insane, I wouldn't mind if it either worked or didn't but when it doesn't work for ages then suddenly works it's maddening. Honestly, the hardest bit of teh front end swap for me was bleeding the *(^&ing brakes. __________________ "We are the angry mob, we read the papers every day We like what we like, we hate what we hate But we're oh so easily swayed"

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03-05-06, 04:46 PM	#17
Razor Guest Posts: n/a	Tie the brake leaver to the grip, leave overnight. Rinse and repeat...

03-05-06, 04:57 PM	#19
embee Member Mega Poster Join Date: Jul 2003 Location: Warwickshire Posts: 2,802	I'm firmly in the mityvac camp The squiddly one insists they are not essential, well no they're not, but I've never had any issues getting properly bled brakes on anything first go in only a few minutes using one. How essential does it have to be to avoid all the hassles some folks seem to have getting a properly bled system? That's what tools are for, making life easier A good advantage of the mityvac is that you can empty out the reservoir first before adding any new fluid, avoiding mixing old/new or risking getting air in when pumping low. Yes there are other ways of emptying a reservoir without one, but it's easy with it. You pays your money.................

03-05-06, 05:01 PM	#20
Razor Guest Posts: n/a	I'm gonna ask a nursey for a big syringe tommorrow, cheap as junkie breath.