purge the ABS pump

[martauto]

Have a look at this link, many thanks to Paultv.

https://bmwe30cabriolet-wdm.blogspot.co ... r-abs.html

Mart.

[ChrisHC]

That is very useful advice, which I shall keep on file in case of future need.
The brakes on my car had a lot of free travel which made them unpleasant to use until I came across advice in the wiki about adjusting the pull rod which runs across the car on RHD models, adjusting that cured the problem.

Brake Pedal

The brake pedal forms part of the pedal box, and it may surprise you to know that it is how the brakes are activated by the driver. It is connected to the master cylinder through a pull rod, which can be adjusted to control pedal height. There's a small rubber buffer on the lowest part of the bracket that holds the brake light switch, and the rod should be shortened until the arm of the pedal all but touches this buffer.

To adjust the brake pedal, slacken off the lock nuts and turn the pull rod using a 7mm open-ended spanner on the flats near the clutch pedal to adjust, until the brake pedal only has a small bit of upwards free movement to its stop. One end of this rod has a reverse thread, so turning it changes its length.

Be careful though. If you over-tighten things, so that the pedal is touching the buffer and moving the master cylinder push rod, the brakes are likely to lock on.

[paultv]

I've added some extra information to the article which describes how the ABS works and what happens when it becomes
corroded inside.

Paul

[miniblob]

Great article - and perfectly timed for me!!!

Printing to take this in with the car on monday, having just had the ABS pump replaced and now have a loooong soft pedal on first hit!!!!

If only normal everyday garage/mechanics worked to this level!!!

[boiliebasher]

Excellent article! Sticky maybe?

[martauto]

If only normal everyday garage/mechanics worked to this level!!!

Many thanks mate, some folk really do care about things

Mart.

[martauto]

Excellent article! Sticky maybe?

Already is mate lol.

Top of the technical section .
Mart.

[boiliebasher]

[quote=martauto post_id=2962638 time=1573306581 user_id=6893]
Already is mate lol.

Top of the technical section .
Mart.
[/quote]

I must be going blind! Hahah!

[martauto]

Already is mate lol.

Top of the technical section .
Mart.
[/quote]

I must be going blind! Hahah!
[/quote]



Mart.

[Ted_BNJ]

Excellent artical thanks a lot.
One thing to add. When I made up the leads I used 4mm banana plugs and sockets, they fit the sockets and pins on the Busch ABS unit.