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Carbon Ceramic brake replacement on Continental GT
In an effort to save cost is it possible to economically replace the carbon ceramic rotors on a 2007 Bentley Continental GT with standard iron rotors or must one always utilise the carbon ceramic rotors?
You can't change the disks alone; to convert from ceramic to iron brakes you would need to replace disks, pads and calipers.
A rough cost for that is as follows:
£600 per caliper for refurbed fronts (including surcharge)
£650 per caliper for new rears
£1200 for set of disks and pads (front)
£400 for set of disks and pads (rear)
So around 8,500 of your Australian dollars.
I don't know whether the ABS firmware would also have to be changed. I realise that ultimately it's the coefficient of friction twixt tyre and tarmac that limits retardation, but maybe the pressure modulation waveform is differently optimised for ceramic brakes over iron.
Yeah thanks for that! So ultimately it can be done but it depends on the carbon ceramic replacement cost which I'm guessing is approx double that of what you're suggesting...
They are very expensive to replace so looking for a more cost effective option, if there is one...
Are there many instances of failure. Iirc Bentley claim 100,000 miles of normal driving. Im hovering on whether to up grade too carbon!
Ive had my speed for about 8 years and had 3 full disc replacements over the years. Not due to wear, but excessive corrosion. I do drive my gt even in Europe and still the insides disc edge corroded.
Cost wise you can't compare steel disc replacement against carbon but my thought was do it once and never worry about corroded discs again and have the best braking system possible.
Im not sure about having the abs computer recalibrecal The system senses differences in wheel speed and lock up. Bentley cant tell me the cars abs computer can adjust its programme for knackered rusty discs.Yet the cars braking system still works. Now compare the friction coefficient of knackered rusty discs against carbon discs. Ive no doubt the abs system will automatically compensate. It does for wet discs cold or hot discs, dry roads, snow covered roads. All of which will effect just how well or not the brakes work.
With carbon you might have to push a little harder on the brake peddle or perhaps a little less pressure You as he driver will also have foot control over the braking system.
It would be interesting to hear how many Carbon Disc issues 6Speed members have had and if they had been hooning on track or perhaps were generally a brake peddle rider. You know, the ones you see that are hitting the brake peddle 1/4 mile before they need too..
Last edited by Frank ( Sunnyside ); Mar 22, 2021 at 04:51 AM.
Are there many instances of failure. Iirc Bentley claim 100,000 miles of normal driving. Im hovering on whether to up grade too carbon!
Ive had my speed for about 8 years and had 3 full disc replacements over the years. Not due to wear, but excessive corrosion. I do drive my gt even in Europe and still the insides disc edge corroded.
Cost wise you can't compare steel disc replacement against carbon but my thought was do it once and never worry about corroded discs again and have the best braking system possible.
Im not sure about having the abs computer recalibrecal The system senses differences in wheel speed and lock up. Bentley cant tell me the cars abs computer can adjust its programme for knackered rusty discs.Yet the cars braking system still works. Now compare the friction coefficient of knackered rusty discs against carbon discs. Ive no doubt the abs system will automatically compensate. It does for wet discs cold or hot discs, dry roads, snow covered roads. All of which will effect just how well or not the brakes work.
With carbon you might have to push a little harder on the brake peddle or perhaps a little less pressure You as he driver will also have foot control over the braking system.
It would be interesting to hear how many Carbon Disc issues 6Speed members have had and if they had been hooning on track or perhaps were generally a brake peddle rider. You know, the ones you see that are hitting the brake peddle 1/4 mile before they need too..
You make an interesting point. I just wonder if it would be cheaper to convert to steel than replace the carbon, if it were indeed even possible? For regular driving I do not see the benefits of carbon justifying the cost.
No question about it, steel discs and standard pads are far far cheaper to replace and maintain.
You can buy front discs for about 200 gbp each. Used calipers go from 100 to 200 gbp. Ive seen a pair on ebay for 380 gbp.
Rears arnt that expensive either.
My local Bentley Dealer "Glasgow" supply and fit mine and I have to say the price is very reasonable.
No question about it, steel discs and standard pads are far far cheaper to replace and maintain.
You can buy front discs for about 200 gbp each. Used calipers go from 100 to 200 gbp. Ive seen a pair on ebay for 380 gbp.
Rears arnt that expensive either.
My local Bentley Dealer "Glasgow" supply and fit mine and I have to say the price is very reasonable.
Yeah I understood the steel option is much cheaper. I was really wondering whether retrofitting from ceramic to steel was actually possible and a way of saving significant costs. I don't know if anyone has done it yet...
From: Located in Heerlen, near Maastricht in the very south of NL, living in the Dutch „mountains „
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Try the carbon steel replacement
Originally Posted by Mark C
In an effort to save cost is it possible to economically replace the carbon ceramic rotors on a 2007 Bentley Continental GT with standard iron rotors or must one always utilise the carbon ceramic rotors?
Hi guys !!
I've now owned my Continental GT Speed for six weeks, and my only complaint with it is how the ceramic brakes squeal whenever I slow down or come to a complete stop when in traffic.
Is there any way to stop/fix this ?
If and when they ever all need replacing, I'll probably change the whole ceramic set up to steel but as my current pads and discs look brand new, I wouldn't mind rectifying the horrible noise they are making.
I bought the car with only 49K miles on the clock with a full Bentley service history, and I'm wondering that as the car was only driven about 2K miles a year, if that could have anything to do with this problem ??
Bringing this post back from last year but i was curious what you ended up doing. I recently bought a 2008 Bentley GT sight unseen and until after i bought it, i decided to pull the options list from the original dealer and discovered that it had carbon ceramic brakes. I dont track the car or normally speed often. I primarily just like to cruise.
From looking online, it looks like replacing the front rotors alone could cost $12k so just looking to see what options make the most sense. Not necessarily looking for "cheap", just a most cost-effective soluiton.
Bringing this post back from last year but i was curious what you ended up doing. I recently bought a 2008 Bentley GT sight unseen and until after i bought it, i decided to pull the options list from the original dealer and discovered that it had carbon ceramic brakes. I dont track the car or normally speed often. I primarily just like to cruise.
From looking online, it looks like replacing the front rotors alone could cost $12k so just looking to see what options make the most sense. Not necessarily looking for "cheap", just a most cost-effective soluiton.
The best option is to leave the rotors in place. They should last the life of the vehicle, especially the way you're driving it. The pads are pricey but they should last at least 60k miles.
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