Just a simple one about the brakes.

dickdastardly · Post by **dickdastardly** » Tue Aug 04, 2009 7:29 pm

How do I go about filling the front brakes (by brakes I mean hoses, callipers and master cylinder) up. I've tried a few different things, I've had the callipers completely stripped (didn't take the pistons out though, I'm worried about them returning when things are ready). New braided hoses and a new reservoir.

Please help again people.

Post by **scratchin** » Tue Aug 04, 2009 8:55 pm

are you meaning bleeding them up? if so you have just got to perservere, fill resovoir with fluid pump the brake lever about ten times hold the lever in, undo the bleed nipple for couple of seconds tighten the bleed nipple back up then repeat, make sure you have the lever pulled in while you open and close the bleed nipple and make sure you keep an eye on the resovoir dont let it get to low or you will be letting air back in, you will need a hose that can snuggly fit over the bleed nipple and a contianer to catch the fluid coming through you will need to do both callipers, i did mine at the weekend and it took about 40 minutes to bleed all the air out

dickdastardly · Post by **dickdastardly** » Tue Aug 04, 2009 9:08 pm

Thanks, thats the sort of detail I was after. Might try it tonight but definitely tomorrow.

dickdastardly · Post by **dickdastardly** » Thu Aug 06, 2009 12:52 pm

Well I tried. Still not working. I spoke to my local garage and they said I'll need some sort of vacum bleeder. Can't wait to have brakes again.

dropoutdave · Post by **dropoutdave** » Thu Aug 06, 2009 12:59 pm

Brakes are for the weak.

Post by **greggo** » Thu Aug 06, 2009 1:35 pm

If you have had the system completely dry - such as attaching brand new lines - you'll need something to push or suck the fluid through. A big syringe you might use for adjusting fork oil is fairly ideal or you can buy special brake bleeding pumps. It's a royal pain in the A.

wig · Post by **wig** » Thu Aug 06, 2009 9:21 pm

also check that your bleed nipple isnt blocked up, ie remove it completeley and see if fluid runs though.
as the others say, persevere!

dickdastardly · Post by **dickdastardly** » Thu Aug 06, 2009 9:53 pm

lol @ dropoutdave

But cheers Greggo, that's some good advice which I might try. Cos' as it turns out I found an old (fairly large, but not to sure if it's up to the job) syringe today before I even looked at this. Was using it as a water pistol to squirt the Mrs.

And wig, the nipple definitely is not blocked up as I've had them apart and properly cleaned. And when I was trying to bleed em' some fluid came out.

I just thought I should have probably posted this in the VFR forum as I've put NC30 callipers and fork bottoms on.

I'll let you guys know how it goes.

dickdastardly · Post by **dickdastardly** » Sat Aug 08, 2009 9:39 pm

Anyway, I worked out in my extremely limited wisdom and experience that the pistons aren't returning, so I gotta get some new seal's and figured I'd get some o-rings too. Really itchin to go for a ride in the nice weather I've been havin' over here.

stretchie_ · Post by **stretchie_** » Tue Aug 11, 2009 4:48 pm

Cars, bikes whatever, I've never had any success with a syringe

: (

And topping the res up and pumping then releasing the bleed nipple is a LOONG and boring process. I bought one of these

http://www.mandp.co.uk/productinfo/5333 ... ts/Mityvac" onclick="window.open(this.href);return false;

and never looked back, it's completley USELESS for actually bleeding so the brakes are good BUT it's fan bloody tastic for getting the fluid down the lines and into the caliper. Then I do the whole pumping then releasing the bleed nipple just to get all the air bubbles out.

I've never had to mess about for ages doing the last step, normally just 3 or four visits to the bleed nipple sorts it out

Just a simple one about the brakes.

Just a simple one about the brakes.

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