15 replies to this topic

[djegiant]

Fitted my goodridge hoses today! Flushed a total of 1.5L of castrol dot 4 through it and im certain that there is no air in it! Brakes do feel pretty spongy with a slightly lower pressure point that before! Surely this aint right! Also ABS seems to kick in earlier! Anyone have any ideas!

[chris]

Air in ABS control block ...

[djegiant]

Bugger! Anyone know the solution????

[djegiant]

[Whiteboy]

I believe you need the ignition on and then pump the brakes to clear the abs unit.

[robsrocket]

My mate did this to his S1 Exige and was not happy with the end result at all. If i remeber right he had to take the calipers off and turn them upside down or something like that. If you need more help i can get more details of him for you. Robs Rocket

[PaulCP]

My mate did this to his S1 Exige and was not happy with the end result at all. If i remeber right he had to take the calipers off and turn them upside down or something like that. If you need more help i can get more details of him for you.

Robs Rocket

That's exactly what the problem is but i'm sure that djegiant has already found that out from the search facility

You need to take the calipers off and turn them through 360 degrees whilst bleeding them

[MAP18W]

If you have air in the ABS module there is a procedure on Tech2 to allow you to activate the ABS whilst bleeding the brakes.

[djegiant]

Is this a Vauxhall type thing then???? Im in N Wales!

[MAP18W]

Is this a Vauxhall type thing then????

Im in N Wales!

Tech2 - Vauxhall Diagnostic Equipment. Any dealer or Vauxhall Specialist.

[csl_freak]

Tech2 is the way to go, turning the calipers is an s1 issue only (doesnt apply to s2 or opel/vx). Otherwise quick and dirty solution is to drive the car over a surface (gravel/earth) that makes the abs work, do that a few times, then purge again, and do this until problem solved. Which it will be, eventually..could take just one extra bleed, or 3 or 4... Good luck

[PaulCP]

Tech2 is the way to go, turning the calipers is an s1 issue only (doesnt apply to s2 or opel/vx).

OK then i'll have to accept that i don't know what i'm talking about

Even after having the same problem and resolving it by turning the calipers Oh and following the instructions for fitting braided hoses to an S2.

Sorry for wasting your time. Looks like the Lotus guys don't have a clue either since they all invert their calipers whilst bleeding after fitting braide hoses to S2's.

[Arno]

Tech2 is the way to go, turning the calipers is an s1 issue only (doesnt apply to s2 or opel/vx).

Huh? Come again?

The caliphers are exactly the same on the S1, S2 and VX. And the fronts ones still do NOT have a separate bleed nipple on the inner piston to allow air trapped in it to be bled out.

The only link between the two pistons is through the pipe at the bottom of the calipher and as bubbles rise to the top you'll never get all the air out unless you do the bleed-invert-bleed-upright-bleed sequence.

For just flushing brake fluid this is not an issue as you don't introduce air into the system, but when fitting new brake lines this does need to be done.

Bye, Arno.

[Thorney]

Correct, invert the caliper when bleeding The Tech 2 function is the easiest way (but most people don't have access to £4k worth of computer equipment ) but in all honesty we tend to do the invert trick as we cba to plug the Tech2 in

[djegiant]

What a poor caliper design! Thanks for the advice guys! Used my own little take on that idea in the end and while someone was holding pressure on the pedal I cracked off the unions into the calipers a small amount! Sure enough a small hiss followed by a bit of fluid leakage! Brakes feel much better now! This method gets rid of all air trapped in the inside chamber! Woo hoo! Thanks again!

[christurbo]

Good thread - stuck into the 'useful thread sticky'

>Here<