abs/tc/(i) warning lights please help
- Thread starter Bruellie
- Start date
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rewmer
Well-Known Member
- Posts
- 2,082
- Location
- Clacton, Essex, UK
Failing ABS accumulator.
rewmer
Well-Known Member
- Posts
- 2,082
- Location
- Clacton, Essex, UK
No, Ive not had this fault, but I am 99 % certain this is your problem. The accumulator is the spherical shaped thing sitting on top of the ABS pump which is located on the left hand side of the engine bay. It has a yellow safety warning on it. Yes it will require a new one, they are not repairable.
- Posts
- 58,170
- Location
- Preston Lancs.
They sure have, and it sure was.
rasheed
Well-Known Member
- Posts
- 1,815
- Location
- Bangladesh
yep. and don't get a used one that might be fine or might go in a month. new they're only about 90 quid and will go for 7-10 years. longer than you'll probably keep the car.
Datatek
Well-Known Member
- Posts
- 45,029
- Location
- Near Poitiers SW France
Yes it's just the ball bit as you put it. It's the diaphram inside that maintains the pressure that fails
- Posts
- 58,170
- Location
- Preston Lancs.
The round ball thing that you think you can't go wrong with has inside it a bladder. That bladder is filled with Nitrogen at pressure, the pump pumps brake fluid into the ball against the pressure in the bladder. That is why it is called an accumilator because it accumilates fluid at pressure, ready for use by the braking system. Basically it stores high pressure fluid. If the bladder bursts the pump will still pump upto it's shut off pressure. But when you put the brake on all the pressure is lost so your warning lamp comes on so does the pump to pressurise the now useless steel ball again. And again, and again, and again. Change it.
the hooded claw
Well-Known Member
- Posts
- 1,743
- Location
- Fleetwood Lancs, Besides the Sea!!!
SPOT ON that man!!!!.............. Accumilator Diaphragm is fooked & as you cannot replace the Diaphragm a new Accumilator is required!!!
Datatek
Well-Known Member
- Posts
- 45,029
- Location
- Near Poitiers SW France
Don't forget to depressurize the system before you try to remove the sphere! Repeatedly press the brake pedal per the book (ignition off).
klf400
Active Member
- Posts
- 312
- Location
- forest of dean, gloucestershire
thats just what we need to see PROBLEM-ADVICE-RESULT
TAKdriver
Active Member
- Posts
- 621
- Location
- Beside a field in Midlothian
I have just changed mine : it's dead easy. get your new one ( (approx £85.00 ) : depressurise system by depressing brake pedal approx 30 times with IGNITION OFF : wait 60 secs and press four more times...IGNITION OFF.
Put a chain wrench round canister and unscrew. (Have a clean cloth around the base when you do so in case a small amount of fuel leaks.) Screw in new one : tighten with chain wrench. Job done.
I did not have to bleed brakes.....simples
