Rusty CCM brake disk bolt solution

[belfry]

Back in 2023, @Fonzy and @skwdenyer we’re being incredibly helpful to Ferrari owning community by hunting for a solution to Rusty brake disc bolts, which can expand and crack the very expensive carbon brake discs.

I would like to do some preventative maintenance this year by replacing the bolts on my brake discs with 30,000 miles on them.

The original post around page 13 or 14 mentioned some success in finding the correct replacement bolts, but I cannot see any reference to any suppliers for the correct replacement bolts and fasteners.

Did we ever find a solution to this problem?

[PRO5T]

Rebrake offer a service to simply rebuild with new hardware, I understand wanting to do it yourself but when torque specs are so critical (and order and balance I’ve heard) perhaps using a paid for service provides more peace of mind?

[belfry]

Thanks for that suggestion.

But you’re right, I’d want to do the work myself. It’s the sort of job that I’d be happy to take plenty of time over. Also, it’s an excuse to finally buy an electronic torque wrench.

Working on my cars is part of the fun of ownership for me.

Surely someone must have sourced some replacement fixings?

[F355GTS]

I found a supplier in the States for the bolts but they were expensive at around $35 ea IIRC. It's also quite likely the the bolts won't simply come out, they are in sleeves which rust to the bolts and these sleeves expand cracking the discs

A number of 458 people are replacing their discs/ pads with those for a company called Stopflex which are significantly cheaper than Ferrari originals and overcome the weak brakes on 458s

[PRO5T]

belfry said:

Thanks for that suggestion.

But you re right, I d want to do the work myself. It s the sort of job that I d be happy to take plenty of time over. Also, it s an excuse to finally buy an electronic torque wrench.

Working on my cars is part of the fun of ownership for me.

Surely someone must have sourced some replacement fixings?

Very much understood, I did indeed by a (none electronic) very nice torque wrench to keep a check on mine! In that case, why not email Wolfgang at Rebrake and see if he'll sell you the hardware to do it yourself-he replies very quickly and it's worth an email if it gets you a supply.

[belfry]

F355GTS said:

I found a supplier in the States for the bolts but they were expensive at around $35 ea IIRC. It's also quite likely the the bolts won't simply come out, they are in sleeves which rust to the bolts and these sleeves expand cracking the discs

Nice to hear from you. Thanks for this information about the bolts. I did not know about the sleeves. I naively thought that it'd be a nice preventative piece of work to keep me occupied once Winter arrives.

Did you end up buying the bolts from the US? Which of your cars were you considering this for?

Robert

[cake eater]

There's a possibility of a group buy. You'll need to contact Hughesie on this forum. He's been looking at getting a titanium set made.

Wolfgang is an option but he wouldn't sell me just the mounting hardware. I did buy a refurbished set of fronts from him. My old set of brakes cracked when he was drilling out the bolts making them useless, so even someone with experience gets caught out.

The make up TQ for the bolts is 8nm for Wolfgang's hardwear. Some say 10nm for OEM. Torque up pattern is star.

[belfry]

Many thanks for your reply Cake. My plan is to remove the front disks this weekend to check the condition and weigh the disks.

I will contact Hughsie to see what progress he’s been able to make on titanium bolts.