Vehicle & Technical > Defender
Brakes wont bleed! What ?
ringo:
Steve,
your a legend as always - i will give that a go at the weekend. What do you use for clamps? I havent got four sets of mole grips!
I will adjust the rear drums first mind ;)
Thanks guys - lets hope its not a servo needed.
Ringo
--- Quote from: "V8MoneyPit" ---Hi Rich.
Once you pump the pedal up, is it good and solid? If so, it isn't air in the system. Air will always compress wherever it is in the system and give a spomgy pedal. If you can pump the pedal up to give a 'good pedal', it is meaning the linings are too far away from the metal. Does yours have drums at the rear? If so, I would suggest they need adjusting.
Try clamping all the hoses and try the pedal. If you get an instant pedal, you know the problem is at one of the wheels. Remove one clamp at a time and check the pedal. When the pedal drops to the floor, you know where the problem is.
However, if the pedal is always spongy, try my method as described here:
http://forums.mud-club.com/viewtopic.php?t=49264
It's never failed to work for me.
--- End quote ---
V8MoneyPit:
Just noticed I described a 'spomgy pedal' :lol: If it isn't a word I think I should start a campaign to get it into the OED :lol:
Mutz:
Steve, i have a brake problem on my 90!
But i was going to ask if your breaking your V8 as you implied you might?
Problem i have is servo doesnt appear to operate the brakes, pedal is stiff to start with, but servo doesnt seem to assist brakes.
Pump sucks at low pressure, if i remove the master cylinder and put cling film on the servo this sucks in again at low pressure. If i push the the plunger on the master it goes in about a quarter of an inch, does all this sound right?
Have been told that servo and pump are working as they should so im stuck now, any ideas?
Graham
:oops: sorry Ringo didnt meen to hijack your thread, hope you dont mind?
ringo:
--- Quote from: "Mutz" --- :oops: sorry Ringo didnt meen to hijack your thread, hope you dont mind?
--- End quote ---
LOL - you go ahead mate - hope you can get it sorted.
I can't do anything till the weekend.....
Ringo
V8MoneyPit:
--- Quote from: "Mutz" ---Steve, i have a brake problem on my 90!
But i was going to ask if your breaking your V8 as you implied you might?
Problem i have is servo doesnt appear to operate the brakes, pedal is stiff to start with, but servo doesnt seem to assist brakes.
Pump sucks at low pressure, if i remove the master cylinder and put cling film on the servo this sucks in again at low pressure. If i push the the plunger on the master it goes in about a quarter of an inch, does all this sound right?
Have been told that servo and pump are working as they should so im stuck now, any ideas?
Graham
--- End quote ---
If you press the brake pedal prior to starting the car, then when you start the car the pedal should sink down after a second or so. If this happens, the servo is operating correctly.
Not sure what the stroke of the cylinder should be, but that doesn't sound out of order.
I've never figured it out, but they can all feel different even though I believe all the servos and master cylinders are the same. My 90's brake pedal feels totally different to the 110 and I remember littlepow's felt different again.
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