3000s bleeding brakes help
Discussion
i have just changed the brakepads on the wilwood calipers on my 3000s.
I cleaned the exposed part of the 4 pistons before pushing back into the calipers to make room for the new thicker pads.
Now the front brakes don't work, only the back brakes.
The car has a dual braking system so i think there is a valve that now is shutting off the supply to the front brakes.
Please can someone tell me how to recentralise the valve.
Thanks for your help
alan
I cleaned the exposed part of the 4 pistons before pushing back into the calipers to make room for the new thicker pads.
Now the front brakes don't work, only the back brakes.
The car has a dual braking system so i think there is a valve that now is shutting off the supply to the front brakes.
Please can someone tell me how to recentralise the valve.
Thanks for your help
alan
i have pressure on the pedal very low and it operates rear brakes only.
i have a brake servo.
It's my first car with a dual circuit master cylinder with problems.
I am sure it can only be one of the pistons blocked.
I will when i strip down master cylinder and i will report what i find
Alan
i have a brake servo.
It's my first car with a dual circuit master cylinder with problems.
I am sure it can only be one of the pistons blocked.
I will when i strip down master cylinder and i will report what i find
Alan
Steve,
if my car has a PDWA where would it be fitted and what does it look like. I imagine if the car has one it has an electrical spade on it to supply warning light.
The master cylinder is dual circuit and is Girling.
One outlet in the middle i think for rear brakes and two outlets at front for front brakes.
I have Silicon brake fluid and when i action the master cylinder to pump fluid to bled it returns very very slowy. Maybe the Silicon has made the seals swell up and they are now too tight
Alan
if my car has a PDWA where would it be fitted and what does it look like. I imagine if the car has one it has an electrical spade on it to supply warning light.
The master cylinder is dual circuit and is Girling.
One outlet in the middle i think for rear brakes and two outlets at front for front brakes.
I have Silicon brake fluid and when i action the master cylinder to pump fluid to bled it returns very very slowy. Maybe the Silicon has made the seals swell up and they are now too tight
Alan
bluezeeland said:
No, he doesn't (or didn't two years back....) you'll have to knit one yourselve, Neil....
I think i can knit stainless steel to hide crap hoses but knit a reservoir
hi Frank,
thanks for info on master cylinder.
you are all right about the bleeding. I took the master cylinder from my 1600m to be sure in my mind that the problem was bleeding.
So tomorrow i will take my 3000s for a drive to see if the brakes still squeel
Alan
TVR by BVR said:
There are apparently some misunderstandings about this valve, first off all you can remove it and reconnect the brake pipes, if you would like to keep it in the system take it apart and you will see that there is only a piston inside with some rubber O-rings, these O-rings are sold in kits by several Triumph parts suppliers, did rebuild several over the years. This valve operates a warning light on the dash by the time that this light comes on it is already to late and you will feel this straight away on the pedal pressure will be reduced quit a bit. Last tip never use silicone brake fluid in the older brake systems DOT3 or 4 is more than good enough and flush the system every three years that we you will keep the cylinder bores free from corrosion.
Why do you say never to use Silicone brake fluid.When i bought both my TVRs they already had Silicoe brake fluid. The 1975 1600M with Silicone fluid had been standing the garage not used for about 10 years and the brakes still worked perfectly.
I'm not saying Silicone is better but imho i can't see the disadvantage for normal road use
Alan
just to update on the brakes on my 3000S.
I have found that it's more difficult to bleed the brakes with the Wilwood Calipers and Silicone fluid.
Having said that the brakes work very well now with no problems.
To stop the squeeling i made grooves in the pads at an angle like the grooves on drilled and grooved disks. That's at an angle so the dust is pushed to the outside of the disks. That's 2 pads with grooves one direction and 2 pads in the other direction.
I have put double sided tape on the backs of the pads.
Result good brakes and no squeel
I hope the update helps someone
Alan
I have found that it's more difficult to bleed the brakes with the Wilwood Calipers and Silicone fluid.
Having said that the brakes work very well now with no problems.
To stop the squeeling i made grooves in the pads at an angle like the grooves on drilled and grooved disks. That's at an angle so the dust is pushed to the outside of the disks. That's 2 pads with grooves one direction and 2 pads in the other direction.
I have put double sided tape on the backs of the pads.
Result good brakes and no squeel
I hope the update helps someone
Alan
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