Haynes Forums - Desleration sensative valve

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When I took my 2B in for test it failed the auto brake test as it was over braked on the back. The tester saw the valve in circuit, drove it round the car park and braked hard to make sure the backs did not lock up. He then manually marked it as a pass. Having been through that once, fitting the valve seemed the obvious thing to do. The valve will not come in to effect on the test rollers.

cheers guys you all have been brilliant.

Hi all

I know it has been ages, since we last talk about this thread but the input should be to the back of the car as it was with the donner car?

Cheers Axle

Quote:

Originally Posted by baz-r (Post 40254)

here is how it works

its fitted angled with the input to the top/front angled to the front of the car

when you step on the brakes hard there is a little spool valve that travels uphill by enertia preventing the rear brake lines form increaseing fluid pressure
stoping the rear wheels from locking as the back goes light

so the harder you push the pedel the rear gets no pressure rise
the steeper you set the angle the harder it is for the valve to work

when your stoped and level the back should get full pressure

hope that helps

On the sierra it's fitted on the passenger side front inner wing

Hi James
I agree with you how this is fitted on sierra, but can you agree the outlet from the brake master cylinder goes to the botton of the anti brake lock?

Thanks Axle