New Cayman brakes

[Motorhead]

Steve,

I'd get some proper brake cleaner to do the job on the pads and discs.

Jeff

 

[stephenbailey]

Hi guys
ive just picked up new discs & pads for my Cayman ready to replace at the weekend
On opening the box I expected they would be shiny on the outer disc but they are covered with what I presume is a protective coating ? ( grey colour the same as the centre section)
Will this come off when I first start using them ?
i know that I need to clean the clear protective grease off before I fit them- I was going to use methylated spirit- hope that should be ok ?
Sorry to sound a bit dumb- never fitted them before.
Any advise greatly accepted
many thanks steve

 

[stephenbailey]

Hi Jeff

Thanks for reply

Ive just been and bought a tin of brake cleaner, cheers

Job to do over the next few weeks when time- ive never tackled brakes before but ive done coil packs and few other jobs so with a bit of research should be ok

Looking forward to it: Ive got new discs & pads all round, new wear sensors (which i can return if not required), new wheel centre caps and currently looking to get new wheel bolts as the washers are about perished and the bolts are rusty. Should smarten the car up a bit.

Thanks again steve

 

[Buddy]

Steve, you don't say which model you have but Brakes are not difficult to do, the trickiest bit being adjustment of the handbrake to the new drums, if you search on you tube there are various examples of the tasks required but better to get the relevant pages of the workshop manual. The main thing is to clean everything so that all the new bits fit easily, use brake grease and Loctite in the right places.

 

[stephenbailey]

Hi Kevan

thanks for that

i have a 2006 Cayman S

i thought when I posted it showed details of my vehicle like other people's posts

i will look into the handbrake adjustment- thought it would be straightforward swap over so I need to investigate further

many thanks

steve

 

[Buddy]

Steve,

It's not difficult to adjust the handbrake but it is a bit fiddly, there is a crown wheel you have to turn through the wheel bolt hole in the drum it steps up notch by notch. It's a method unchanged since they had to have an extra hole when they used studs. The Austrian way ( the Porsche Family are based in Zell Am See ), "don't change what does just what is needed".

To edit the details of your location etc ( useful when someone is trying to advise of where to deal with in your area ) or your Avatar, go to your account on the PCGB site

 

[stephenbailey]

Thanks Kevan

I will have a look today at my account & try to get my details to show up

i did bit more research last night on the brakes so I think I'm ready to tackle them at the weekend- adjusting shoes looks straightforward ( caymans not my daily transport so will just take my time and keep the internet handy just in case). One thing I did notice from the YouTube videos was that none of the porsche ones mentioned removing the brake fluid filler cap for fluid expansion when opening the calliper Pistons. when talking to a mechanic friend of mine that was the first thing he mentioned. Also there was one video that showed when the pads were removed there was a thin metal plate between the calliper & pad that dropped out, I think it was an anti squeal plate. He left it out & fitted the pads without it, should this be ok or is it best to re fit ?

thanks for all your help

steve

 

[Buddy]

Steve,

The Cayman brakes have a damper behind them which many reuse, this locates into the pistons and may be stuck to the back of the pad or may not, press the pistons all the way back and grease the back of the pad using brake grease, always remove the filler cap and keep an eye on the level or you are likely to lose paint!!! Have a syringe or pipette to remove the excess before it overflows, as I say spilt brake fluid takes the paint off so be careful of this.

 

[Motorhead]

Steve,

Some info on the anti-squeal shims here:

[link=http://www.planet-9.com/987-cayman-boxster-problems-complaints/68214-brake-shim-plate-pot-corroded-stuck-caliper-piston.html]http://www.planet-9.com/987-cayman-boxster-problems-complaints/68214-brake-shim-plate-pot-corroded-stuck-caliper-piston.html[/link]

If you leave them out you run the risk of getting brake squeal and you'll then have to strip everything down again. Personally, I'd leave them in place but, as Kevan says, if you use copper grease on the pad backing plates this should also help reduce brake squeal.

Jeff

 

[stephenbailey]

Cheers guys, that's champion

i noticed on one of the videos the guy edged a very thin filling knife between pad and shim to break the adhesive and release the pad to leave the shim in place. i will try this method and see if it works, presumably when I put copper grease on the pad this will also act as an adhesive to the shim.

I will keep an eye on the fluid level also

cheers guys, thanks again

steve

(Do you know which is the correct brake fluid for the 2006 Cayman s- it may be worth having in case I need to top up after fitting)

 

[Motorhead]

Steve,

I've a feeling that it's DOT 4 but probably best to check with your PC service department to confirm what's recommended as you don't want to mix different specs. Since you're putting in new pads and forcing out the brake pistons, I doubt that you'll need any fluid if you're careful.

Hope it all goes smoothly.

Jeff

 

[stephenbailey]

Hi Jeff

hoping that if if I take my time & do the job properly I won't need any

but thanks for details- I'll check with porsche centre. I like to have everything to hand before starting a project

Cheers steve

 

[Motorhead]

Steve,

Just a thought but when you've completed the job it would be good if you were to share your experiences on here, particularly any snags you found compared with the well-published procedures.

Jeff

 

[Richard_Hamilton]

Steve - just a word of warning about the caliper bolts. Be careful when undoing them, and don't have a gung-ho approach. Start by turning the bolt 1/4 turn anticlockwise and then 1/8 turn clockwise. Repeat this several times until the bolts turn easily. If they start to tighten as you unscrew then, then screw them back in a bit and repeat the process. The bolts go into a through hole in the hub, and water can get in the bottom of the thread and rust the tip of the bolt. This can cause pick-up of the aluminium hub thread on the bolts and tear them out. If that happens then the hub has ho be repaired with a thread insert, such as a TimeSert.

 

[stephenbailey]

Hi Richard

good advise, I will look at doing that

always interested in views & knowledge from people who have undertaken these jobs before, I'd rather get it right 1st time than create more issues

cheers steve

 

[stephenbailey]

This Jeff

i will post when finished job & give details of any problematic issues that arise- if any

( just found out got family coming to stay for weekend so that's extended time for doing job- bloody typical !!)

thanks steve