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When I had the GVM upgrade part of that involved the brake bias being changed. Surprisingly (to me) this involved putting more bias to the rear brakes than standard, with taller front springs (as opposed to heavier duty front springs) ensuring that the vehicle remains level under heavy braking.
I just went out and measured my spring and have also disconnect it so i can test something tomorrow and see if there is any difference. ..
Failing this round of tinkering it will go to jpc for some work as i am sick of the brakes not working properly.
what troubles are you having with your brakes mate?
Just feel like things are not working as they should and the wear in the back brakes has been very very minimal.Quote:
Originally Posted by billyj
I disconnect the spring off the bias valve and did some very hard braking and i am pretty sure there is a big improvement.
One way i will know for sure is in the morning when it is still dark i head off to work and at the end of my street i have to brake a bit harder if traffic is coming past and twice last week i thought i was not going to stop in time.
I have heavy duty bendix brake pads and good quality brake discs and extended braided brake lines..
What's it like when you brake in the gravel or something slipery? If the brake preprotioning valve isn't working properly should be able to feel one end doing most of the work and locking up fairly easy.Quote:
Originally Posted by Bloodyaussie
On gravel the fronts would lock up but that was after i did a lot of work to get it to that point... before all the work i did i nearly plowed into a car in front a few times.. part of my problem was vacuum but that has recently been sorted.Quote:
Originally Posted by Rossco
Really struggling with this at the moment. Brakes have been virtually non existant for months now and I'm losing the plot.
Front end locks up easy, brakes spongy as anything (eventually goes to the floor), and complete bugger all stopping power.
Really desperate for advice at the moment.
Is there supposed to be a gap between stopper bolt and the lever ? Mine has almost an inch.
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Have you bled the LPV? There is a bleed nipple on it and it is a bit difficult to get to. I had much the same problem as yours some time ago. I bled the LPV and a fair bit of dark coloured muck came out of it. Obviously it had not been bled in a long time - if ever. That improved my braking by a fair amount but it was still not perfect. I replaced the LPV, re bled the system and the brakes came up perfect. I think the muck in the valve seized it up.
Might help if you tell us what you have already done...
Am I right in assuming that when you go higher in lift without the bracket, you will lose brakes at the rear? Or will braking at the rear increase?
I currently have a 3" lift in mine. Was told by the reputable 4x4 shop when it was put in that it's not need for a lift of this height, and as such have no bracket. Braking isn't bad, but as with anything, if it can be improved, why not.