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Brake Pads and Disc - Changeout


magic8080

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Folks,

i'm just planning to do my front brake pads and discs

 

I've ordered all the parts 

SEBRO discs, Textar pads, new sensors, mounting bolts (mostly sourced from Eurocarparts)

 

Will I need to use anti squel paste?

 

Any advice would be greatly welcome

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Hi magic 8080, just the front brakes? Rears OK?

 

Personally I'd use a thin coat, sparingly, of Mintex CeraTec on all contact points. Ensure you get the discs installed in the correct orientation with the vented vanes in the corect direction of travel ;) break them in correctly after change out and all will be ok. Oh...and pump that pedal prior to the first drive up the road :wind14:

 

Good luck

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The manual says specifically not to add any paste, most online forums say its ok. I replaced the rear disks and pads and just the front pads last year. Very easy job. Apparently the countersunk screws that retain the disks can sieze (they locate and hold them on really, the wheel bolts take the loads) i put an dab of Castro alu grease on those to make sure they don't have an issue next time. The manual says to smear paste over the mounding face of the disk, presumably to make sure they don't stick for future removal. 

 

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6 minutes ago, Porker said:

The manual says specifically not to add any paste, most online forums say its ok. I replaced the rear disks and pads and just the front pads last year. Very easy job. Apparently the countersunk screws that retain the disks can sieze (they locate and hold them on really, the wheel bolts take the loads) i put an dab of Castro alu grease on those to make sure they don't have an issue next time. The manual says to smear paste over the mounding face of the disk, presumably to make sure they don't stick for future removal. 

 

 

 

This stuff, found it on a well known auction site for far less. You only need a tiny amount so could buy half a tube off there. http://www.design911.co.uk//fu/prod126346/Castrol-Optimol-Paste-TA-for-screw-connections---100g-00004302000/?imt=1&utm_campaign=uk+shopping&utm_source=adrac&utm_medium=cpc&utm_content=

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I personally wouldn't use any metal based medium, but then it's all subjective and down to personal preference. There will be lots of differeing views upon this aubjest. But, this is worth a look - https://www.youtube.com/watch?v=sAGWc_gI-X0

 

In addition to the advice in the above link you could add dissimilar metal corrosion from introducing a differing metal based compound, whether copper or aluminium based; ceramic based is ok but then is very expensive and in my experience not as durable if exposed to the elements.

 

The Mintex CeraTec (can't tell the difference between this as my uber expensive Brembo compound) will also save you 20 odd quid as well over other products, one small tube will last you a decade or more B| - http://www.ebay.co.uk/itm/MINTEX-CERATEC-ANTI-BRAKE-SQUEAL-GREASE-like-Bremtech-Pad-Goo-Not-Copper-Ease-/222024869528?hash=item33b1b6a698:g:yGAAAOSwzgRWwfkK

 

Either way good luck, it's a straight forward job and if there's any probs then you've got this forum to assist :).

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Thanks guys

 

I've taken the plunge and I've changed the front discs and pads and decided not to use paste.

 

A bit of fiddle but all done now and I know how to do them. Thanks to my mates for helping out.

 

Old discs had quite a lip on them and the sensor was wearing through. So I've now got all new front :) The rears look fine but I'll  keep an eye on them.

 

Got a bit of squeel at low speed but that should go, hopefully.

 

Just a note on costs, CarParts4less are cheaper than eurocarparts for the same items. Rather strange as there the same company?

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55 minutes ago, magic8080 said:

Thanks guys

 

I've taken the plunge and I've changed the front discs and pads and decided not to use paste.

 

A bit of fiddle but all done now and I know how to do them. Thanks to my mates for helping out.

 

Old discs had quite a lip on them and the sensor was wearing through. So I've now got all new front :) The rears look fine but I'll  keep an eye on them.

 

Got a bit of squeel at low speed but that should go, hopefully.

 

Just a note on costs, CarParts4less are cheaper than eurocarparts for the same items. Rather strange as there the same company?

Yes, i had some squealing that died down after a couple of hundreds miles

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  • 2 weeks later...

Still got a bit of squeel at low speeds, but braking is much improved

 

Talking about braking, I had the pleasure of brake testing a 718 Cayman on Monday at the PEC at Silverstone. The brakes were immense

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2 hours ago, magic8080 said:

Still got a bit of squeel at low speeds, but braking is much improved

 

Talking about braking, I had the pleasure of brake testing a 718 Cayman on Monday at the PEC at Silverstone. The brakes were immense

 

You shouldn't really be experiencing any squeel (sic), assuming you installed the shims etc and have correctly bedded in the pads/discs? Is the squeal emanating from the front or the rear?

I think the last time I experienced any type of brake squeal from my brakes (or the then GF) would have been on my Mk 1 Escort, early eighties, whilst shouting "Dude, I almost had you!" waaay before the Fast 'N Furious franchise robbed it off me...

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Ive always used a copper based assembly paste on braking systems and never has a squealing issue or experienced a galvanic corrosion problem. As I have said on other forum posts, I use it on exhausts, engines and suspension bolts too. we have proven at work ( high tech military and aerospace) that you get more accurate and repeatable  torque figures using copper assembly paste over dry or Loctited assemblies.

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1 hour ago, Porker said:

Quick note, porsche say to use the Castrol Optimol (think its aluminium based)  antisieze on the wheel bolts (on the thread but not on the face of the spherical mating do dah), that's specified so not an issue. Agree, torque and lubricartion do need to be approached properly though, don't just slap it around.

 

Sound advice on this subject from several members, thanks.

 

Over the years I've trialled pretty much everything on the market, some of it I've even had to pay for! In my humble opinion the best to date, and my go-to favourite, has been Chesterton 785. This is labled as a 'Parting Lubricant', works in a broad range of -30 to 1200DegC, is micro-fine, approx 5 microns and is therefore excellent for press fit applications, you'll find it applied to the correct areas of my brake systems, wheel studs, mating surfaces, engine builds, etc, etc, and best of all....there's no need for any torque tension recalculations. Win, win.

 

If you can track it down it's worth investing in, a 500g tin will last a lifetime and I can assure you that you won't be disappointed.

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