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tbone
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« Reply #30 on: November 22, 2009, 04:02:33 PM » |
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Block the r/h rear and work just on the L/H side now.
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NO I WON`T. aye ok then, i will
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Basket case
Sr. Member
Karma: 4
Posts: 344
3 wheels on my wagon...
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« Reply #31 on: November 22, 2009, 04:23:58 PM » |
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Cool,You're getting there by elimination... With the front part blocked off, have you tried 'back bleeding' again?? Sounds like air stuck somewhere, just moving backwards and forwards but letting fluid past... This sounds just like my Nissan. We bled it backwards and forwards sooo many times till it began working properly. Can you remove the rear calipers still connected to the pipes and hold them much higher than the rest of the system (with something wedged between the pads) and then try again ? You'll get there.....Bazza  |
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Basket case
Sr. Member
Karma: 4
Posts: 344
3 wheels on my wagon...
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« Reply #32 on: November 22, 2009, 04:29:57 PM » |
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Also, once you have the rear circuit sorted if it still doesnt have good pedal pressure, have you considered a double circuit m/c...one for the front and one for the rears in one unit..?
Bazza
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ROD
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« Reply #33 on: November 22, 2009, 04:53:13 PM » |
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Right ,now Ive blocked off the n/s rear and bled the hell out of the o/side. Tapping the caliper with nipple open produces bubbles in pipe ,but they could be coming from the thread round the nipple,cos its open! Alot of fluid coming thro' has millions of bubbles,turning the fluid almost white at times. Now run out of fluid yet again,(£12 today!)so before I do any more fluid Im going to go on a vw golf site and ask about this.
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tbone
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« Reply #34 on: November 22, 2009, 05:16:22 PM » |
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hoo bloody ray! its gettin there, someone nip round to Rods with more fluid quick  . VW site! just do what we discussed. |
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« Last Edit: November 22, 2009, 05:20:06 PM by tbone »
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NO I WON`T. aye ok then, i will
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ROD
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« Reply #35 on: November 22, 2009, 05:33:45 PM » |
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not doubting you TB! Just read on a vw site that calipers should be bled on the bench before fitting. How you do that I dont know! I just dont understand where all this air is trapped! On the REDS website where I had them done,they say they test all calipers with air,BUT mine definitely had fluid in them.Strange! BTW Still havent got a brake pedal! |
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« Last Edit: November 22, 2009, 05:38:03 PM by ROD »
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tbone
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« Reply #36 on: November 22, 2009, 05:57:39 PM » |
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You bench bleed in a more or less the same way as you do on the vehicle. All your actualy doing is pre filling the caliper, still needs to be done when its fitted. BTW Still havent got a brake pedal!
Not yet, but you will. You`d be surprised where that air can hide, those T pieces can be buggers for retaining the stuff! |
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NO I WON`T. aye ok then, i will
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ByzMax
Hero Member
Karma: 57
Posts: 1637
Choppit
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« Reply #37 on: November 22, 2009, 07:08:46 PM » |
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Are you doing this by pumping the pedal or using an easibleed? Try the easibleed if you have not. It moves the fluid through the system smoothly and quickly taking the air with it. The small bubbles that make it look milky white are from the constant pumping of the pedal me thinks! Also use a clean container to catch the fluid and reuse it whilst you are tring to get this sorted. Once you have worked out what is wrong and have pedal pressure then just flush the system through with the fresh stuff. Is there a photo of the trike and it's master cylinder etc? |
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oldskoob
Newbie
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Posts: 8
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« Reply #38 on: November 22, 2009, 08:44:38 PM » |
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i have been round to Rods and to be honest it has confused the hell out of me as well!!!!!!
how he has kept his sanity is a mystery also.
this problem seems so simple to cure , and probably is , but even component elimination doesnt seem to produce a result .
if all the joints are dry underl pressure where is the air coming from? as people have said there is only a small volume that can be in there in the first place. so where is it getting in? i dont know.
is there anyone local who has any fresh ideas who could pop round and help a very patient but frustrated man. i will personally buy a pint for the man who can sort this one out!!!!
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ROD
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« Reply #39 on: November 22, 2009, 08:47:31 PM » |
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A pint? I'll make that a full on p*ss up if anyone can sort it! Byzmax,I dont like using the once used fluid ,cos of all the tiny air bubbles just compounding the probs! Next thing to try is completely eliminating the T's and running a pipe direct from m/cyl to caliper on one side. THERES ALWAYS THAT GRINDER......................... |
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« Last Edit: November 22, 2009, 08:49:53 PM by ROD »
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ByzMax
Hero Member
Karma: 57
Posts: 1637
Choppit
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« Reply #40 on: November 22, 2009, 08:54:31 PM » |
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Let it stand over night till the bubbles have gone Where are you based? |
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ROD
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« Reply #42 on: November 22, 2009, 08:57:02 PM » |
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Essex. Too far for you mate! Theres gotta be another reason for this. Been on a vw site ,they reckon they dont have any trouble bleeding the same calipers ,altho they dont say if they are new ,or just doing brake pipe work on existing calipers. |
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« Last Edit: November 22, 2009, 09:00:42 PM by ROD »
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ByzMax
Hero Member
Karma: 57
Posts: 1637
Choppit
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« Reply #43 on: November 22, 2009, 09:10:51 PM » |
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Will pm ya
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terry t
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« Reply #44 on: November 22, 2009, 09:16:07 PM » |
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hi rod. how is the brake pipe connected to the master cylinder.ie banjo fittings or standard pipe fitting. also is that the brake pipe we can see running back from master cylinder to some sort of fitting . i can not see the pipe coming from master cylinder properly. we will get you there in the end. [PUT THAT GRINDER DOWN]
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