AP brakes, pedal travel.

[mfp4073]

I had a full set of AP brakes fitted to my Monaro yesterday, and I've just completed the initial bedding in procedure today, although I have to complete another 100 miles normal driving before before I can test them properly.
At the moment there seems to be quite a bit of pedal travel before the brakes bite. I was expecting almost zero travel. If any of you AP owners can advise I would be greatfull.
If I need to bleed them is there anything special to AP's that I should to be aware of?

Thanks

[mfp4073]

The pedal travels about 1 1/2 inches before anything happens. I'll leave it until the bedding in procedure has been completed, and if it's no better I'll give Walkinshaw's a call and see what advice they can give.

Thanks again.

[mfp4073]

I spoke to Walkinshaw's today and they agree that the brakes do take time to bed in, but don't overdo it or the discs could be damaged.
I'm following the AP bedding in procedure to the letter, I'm at the stage where I used moderate braking from 70, and you could feel the brakes beginning to bite, I was impressed.
The system was bled twice, when the kit was fitted, so it would appear that the chance of any remaining air bubbles are slim.
Anyway, I had the wheels off and cleaned all the dust from the calipers, and they do look rather impessive against a silver wheel, but the clearance is bloody tight on a CV8 that's for sure.

[mfp4073]

vxr2010 said:

mine took a little while to bed in , one caliper outer edge needed a bit of trimming to fit under the cv8 wheels , a good mod that sensibly used last a long time pad and disc wear and tear wise

I hope they do last a while, or Mrs mfp4073 will have something to say......again!!!!!!!

[mfp4073]

jet_noise said:

Are these 18"s?
If so beware also that the smaller (than VXR) space saver spare in your CV8's boot won't fit over even the rears!

Thanks for that, I have a spare yellow VXR space saver now.
I've just been out in my brothers 2016 Mustang GT fitted with 6 pot front Brembo's, now that was more like it. I hope the AP's will be as good.

[mfp4073]

Just a quick update in case anybody needs it in the future.
I bled the brakes today, but I didn't get any visible air bubbles from any of the calipers.
However when I went for a test drive the brakes felt a lot better?
I also went through part of the beding in procedure again just to bring the pads and discs up to temperature. I then carried out a several high speed stops from 70 mph, and brakes were very impressive,
Driving around town at normal speeds, there is still no initial grab as I was expecting, but the brakes are very progressive and slow the car down quite gently, or if you really stand on them they are quite ferocious.
Overall the brakes give the impression that they could haul the car down from high speeds all day long without any problems. I did encounter the ABS kicking in when I stepped on them too hard, so It's a case of getting to know the threshold and ease off slightly.
I thinks it's worth mentioning that you really need quality tyres and suspension to get the best out of the system.

John

Edited by mfp4073 on Saturday 11th August 22:39