1996 RR 4.0 SE hard to stop, pump keeps running

Rover9676 · Dec 29, 2019

Rover9676 said:
Are you saying to just repeat the Rave bleeding method again?
That's the message I was getting then Forwarded to another site.

Will do! Have to go out for a bit first

Rover9676 · Dec 29, 2019

Grrrrrr said:
I use the power bleeder to flush through when doing the 2 nipples on the modulator near the bulkhead. Flush through about 3 litres before you move onto the usual RAVE procedure for the brakes themselves. When doing it keep topping up the reservoir as it gets low quickly but doesn't show it. There's a partition inside for the clutch for the manual and to stop the fluid slopping around on bumpy ground.

Just so I'm on the same page, the 2 nipples (Short one is the Front and the long one is the Rear) are for bleeding the master fro t and rear. I will flush 3 litres through them and then Repeat RAVE Bleeding Method.
Good hear from you! By the way, you td me to call you something other than Grrrr, what was it?

tomcat59alan · Dec 29, 2019

Rover9676 said:
Just so I'm on the same page, the 2 nipples (Short one is the Front and the long one is the Rear) are for bleeding the master fro t and rear. I will flush 3 litres through them and then Repeat RAVE Bleeding Method.
Good hear from you! By the way, you td me to call you something other than Grrrr, what was it?

From memory there are three nipples on the modulator.

Datatek · Dec 29, 2019

tomcat59alan said:
From memory there are three nipples on the modulator.

Correct, 2 on the wife, 3 on the modulator

Rover9676 · Dec 29, 2019

Datatek said:
Correct, 2 on the wife, 3 on the modulator

Correct, the bottom nipple is for bleeding the master itself, the 2 upper ones are for bleeding the Master for the front calipers and Rear calipers. Top short one is front-master and the Top long nipple is for bleeding the rears.

RangeRoller dt · Dec 30, 2019

RangeRoller dt · Dec 30, 2019

Thought it was ABS/Brake light?

Grrrrrr · Dec 30, 2019

Rover9676 said:
Just so I'm on the same page, the 2 nipples (Short one is the Front and the long one is the Rear) are for bleeding the master fro t and rear. I will flush 3 litres through them and then Repeat RAVE Bleeding Method.
Good hear from you! By the way, you td me to call you something other than Grrrr, what was it?

That's it.

I get called all sorts of things so not too hassled.

RangeRoller dt · Dec 30, 2019

Rover9676 said:
you td me to call you something other than Grrrr, what was it?

Jedwood

Rover9676 · Dec 31, 2019

RangeRoller dt said:
Thought it was ABS/Brake light?

Hello all, I bled the vehicle following RAVE. I turn on the ignition, TC and Brake lights comes on and goes off as they should. While the ignition is still on each time I depress the brake, the pump runs for a second and the TC and Brake lights flash on but goes off immediately. My question is why does the pump kick-on for a split second and the TC and Brake light Flash on go off EACH TIME that I Depress the brake pedal?
Thanks,

Datatek · Dec 31, 2019

Rover9676 said:
Hello all, I bled the vehicle following RAVE. I turn on the ignition, TC and Brake lights comes on and goes off as they should. While the ignition is still on each time I depress the brake, the pump runs for a second and the TC and Brake lights flash on but goes off immediately. My question is why does the pump kick-on for a split second and the TC and Brake light Flash on go off EACH TIME that I Depress the brake pedal?
Thanks,

Sounds like the accumulator is fecked and not holding pressure.

Rover9676 · Dec 31, 2019

Datatek said:
Sounds like the accumulator is fecked and not holding pressure.

Well I'll try to source an accumulator. Thanks,

Datatek · Dec 31, 2019

Rover9676 said:
Well I'll try to source an accumulator. Thanks,

Island 4 x 4 have them, bought one recently for my project car.

Rover9676 · Dec 31, 2019

Datatek said:
Island 4 x 4 have them, bought one recently for my project car.

Got it much appreciated!

Rover9676 · Dec 31, 2019

Rover9676 said:
Got it much appreciated!

Do you think my pressure switch is okay?

Datatek · Dec 31, 2019

Rover9676 said:
Do you think my pressure switch is okay?

That is another possibility, but the fact that the pump switches on and off suggest not.

Mark Piercy · Dec 31, 2019

4-5 pushes of the pedal before the pump kicks in. 1 push and the pump kicking in usually points to a dead sphère filled with brake fluid as the membrane breaks. Similar to the citroen hydro'spastic suspension.

Edited after brain glitch!!! Thanks @Datatek

Datatek · Dec 31, 2019

Mark Piercy said:
4-5 pushes of the pedal before the pump kicks in usually points to a dead sphère filled with brake fluid as the membrane breaks. Similar to the citroen hydro'spastic suspension.

Sorry, 4 to 5 pushes before the pump cuts in is normal, I'm sure that's what you meant

1 push is accumulator NBG.

Rover9676 · Dec 31, 2019

Datatek said:
That is another possibility, but the fact that the pump switches on and off suggest not.

Got it!

Rover9676 · Dec 31, 2019

Rover9676 said:
Got it!

I remembered that I had an extra accumulator. So I installed it, pump ran for about 30 seconds cut off. TC and Brake like went off immediately. With ignition still on each time I depress the brake the pump runs for 2 or 3 seconds. Accumulator came off my old pump.

1996 RR 4.0 SE hard to stop, pump keeps running

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