Excessive Brake Pedal Travel - Exige S2 With AP 4 Pots

[over steer]

Afternoon Gents;

I've recently fitted the Elise-Shop big brake kit to my 04 Exige, and am not exactly happy with the amount of pedal travel. I drove my friends Exige S (face-lift dashboard, not sure of the year) with the same kit and pads (CLs) and his are hair-trigger sensitive, mine on the other hand require more travel than my Jag's brakes to bite.

> I've bleed the brakes several times, there is no air in the system
> I've done approx 150Km on them, so everything should have bedded in by now
> Brake servo is working fine

Has anyone had this issue before?

[Uncle Gueber]

Did you bleed the brakes with the calipers bolted in place, if so you'll probably still have air trapped.
Try bleeding the system again rotating the calipers to allow any air to escape.

[21TonyK]

04's have the older pedal box, changed in '06 i think

the pedal throw is much longer than the newer version so that will be a big part of it.

have a read through, i found a workable solution

http://www.pistonheads.com/gassing/topic.asp?h=0&a...

[over steer]

Uncle Gueber said:

Did you bleed the brakes with the calipers bolted in place, if so you'll probably still have air trapped.
Try bleeding the system again rotating the calipers to allow any air to escape.

Yepp, did them upside down and right way up, rotating back and forth a few times.

[over steer]

21TonyK said:

04's have the older pedal box, changed in '06 i think

the pedal throw is much longer than the newer version so that will be a big part of it.

have a read through, i found a workable solution

http://www.pistonheads.com/gassing/topic.asp?h=0&a...

Cheers, will read through that when back on PC

[SCEL1SE]

Keep bleeding them mate.
I had this Issue with 4 pot Brembo's. Changed the Lines, bled the system, bled the system, bled the ABS system, the works, but the pedal continued with too much travel. I think It took about 4 or 5 full bleeding sessions to get all the air out, which eventually did work.

[Scuffers]

which AP 4 pots are you talking about? (picture would help)

[over steer]

Scuffers said:

which AP 4 pots are you talking about? (picture would help)

It's this kit: http://www.elise-shop.com/4pot-brake-kit-with-oe-a...

It supposedly allows you to keep using the OEM master cylinder, however there IS a difference between 'you can keep using..' and 'Works properly with...'.