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[TheBoy]

Under extreme braking from high speed, the pedal goes to the floor.

It starts out normal for the first few seconds, but then steps down a bit, they steps down again to the floor.

The brakes were already very hot before this.


Change the fluid?  ...  ...after all, this has full Vx service history

[Lazydocker]

Under extreme braking from high speed, the pedal goes to the floor.

It starts out normal for the first few seconds, but then steps down a bit, they steps down again to the floor.

The brakes were already very hot before this.


Change the fluid?  ...  ...after all, this has full Vx service history

Mine was the same until I changed the fluid

[Gaffers]

I reckon it's the driving seat/steering wheel interface.  Replace with one more sedate and the problem should go 

[Broomies Mate]

Are both Brake Light Bulbs working?  :-/

 

[dbug]

Change the brake fluid Jaime - it's full of water and you're boiling it!!

[TheBoy]

I reckon it's the driving seat/steering wheel interface.  Replace with one more sedate and the problem should go 

The organic interface nearly malfunctioned and kacked itself, but fortunately, plenty of opportunity to go straight on 


(Which is why I test brakes on that part of my test circuit)

[TheBoy]

Are both Brake Light Bulbs working?  :-/

 

Not checked. No warnings on GID. ABS works fine.

[Omegatoy]

definetly boiled  or old fluid, change it completely, and while your there check extremely carefully for any sticking brakes,
this is the single biggest cause of boiled fluid!!
if a brake dont release properly it just continues heating the caliper and disc!!

[TheBoy]

definetly boiled  or old fluid, change it completely, and while your there check extremely carefully for any sticking brakes,
this is the single biggest cause of boiled fluid!!
if a brake dont release properly it just continues heating the caliper and disc!!

Pretty certain neither of the fronts are sticky. Rears defo aren't, as I was messing about with handbrake 2 or 3 weeks ago, and checked them.

[TheBoy]

Cheers guys. That definately rules out it going to The Lakes - no time to do it, plus TheDaddy has my Eezibleed, thieving git

[Omegatoy]

check them agin just to be sure mate, you do know that brake fluid change should be carried out every 2 years minimum?
preferably annually, however 5.1 is less susceptible to hydroscopic action, i personally prefer it used it in all me track day cars as it has a higherboiling point as well,
may pay you to change to that spec fluid?

some people say it doesnt give as nice a pedal feel but it takes mins to get used to it, its been in the old tractor since ive had it and is also in the new one!!

[Lazydocker]

check them agin just to be sure mate, you do know that brake fluid change should be carried out every 2 years minimum?
preferably annually, however 5.1 is less susceptible to hydroscopic action, i personally prefer it used it in all me track day cars as it has a higherboiling point as well,
may pay you to change to that spec fluid?

some people say it doesnt give as nice a pedal feel but it takes mins to get used to it, its been in the old tractor since ive had it and is also in the new one!!

I reckon the fluid in my estate was original  Certainly was discoloured enough and the pedal feel was dreadful all the time. Once changed out it was a great improvement I'll probably do it again quite soon and activate the ABS as well to get it all out

[Broomies Mate]

check them agin just to be sure mate, you do know that brake fluid change should be carried out every 2 years minimum?
preferably annually, however 5.1 is less susceptible to hydroscopic action, i personally prefer it used it in all me track day cars as it has a higherboiling point as well,
may pay you to change to that spec fluid?

some people say it doesnt give as nice a pedal feel but it takes mins to get used to it, its been in the old tractor since ive had it and is also in the new one!!

DO NOT PUT SYNTH BRAKE FLUID IN A SYSTEM WHICH ISNT DESIGNED FOR IT!  Your seals will be waving you bye bye.

[TheBoy]

check them agin just to be sure mate, you do know that brake fluid change should be carried out every 2 years minimum?
preferably annually, however 5.1 is less susceptible to hydroscopic action, i personally prefer it used it in all me track day cars as it has a higherboiling point as well,
may pay you to change to that spec fluid?

some people say it doesnt give as nice a pedal feel but it takes mins to get used to it, its been in the old tractor since ive had it and is also in the new one!!

Yup, aware of interval .  Yet another example of full dealer service history

[Omegatoy]

check them agin just to be sure mate, you do know that brake fluid change should be carried out every 2 years minimum?
preferably annually, however 5.1 is less susceptible to hydroscopic action, i personally prefer it used it in all me track day cars as it has a higherboiling point as well,
may pay you to change to that spec fluid?

some people say it doesnt give as nice a pedal feel but it takes mins to get used to it, its been in the old tractor since ive had it and is also in the new one!!

DO NOT PUT SYNTH BRAKE FLUID IN A SYSTEM WHICH ISNT DESIGNED FOR IT!  Your seals will be waving you bye bye.

Rubbish!!! it has by law to be compatible with the old stuff,
a full fluid change will not in anyway shape or form hurt the braking system, i usd it in all 24v carltons, sennys even the mega omega, never had the slightest worries over it