Peugeot 107 - Front brakes

Honest John Back Room » Technical matters
What is life like with your car? Let us know and win £500 in John Lewis vouchers | No thanks
View Threaded
Tue 15 Jan 2019 17:04
Peugeot 107 - Front brakes - paul 1963

I've volunteered to change the front disks and pads on my son's 107 Saturday, never worked on one before.....any potential pit fall's ?

grateful for any advice!

Reply | Report as offensive | Link
Tue 15 Jan 2019 18:01
Peugeot 107 - Front brakes - gordonbennet

No pit falls that i can recall, doddle of a job.

Don't ask me what head the disc securing screws have, can't remember, nothing that the typical home mechanic won't have lurking about though.

Have you got the correct brake grease for lubing the sliders and pistons?

Reply | Report as offensive | Link
Tue 15 Jan 2019 18:27
Peugeot 107 - Front brakes - paul 1963

I've got some "copaslip ", I remember changing disks on a Volvo (or a bmw??!!) and that had a 7mm hex holding the disc on, thanks for the advice ...think I'll have a quick Google to save getting caught out.

Reply | Report as offensive | Link
Tue 15 Jan 2019 18:50
Peugeot 107 - Front brakes - paul 1963

Just noticed it appears I have trouble spelling "disc " sorry about that :)

Reply | Report as offensive | Link
Wed 16 Jan 2019 01:38
Peugeot 107 - Front brakes - edlithgow

I've got some "copaslip "

Copaslip is oil-base, so you shouldn't use it on any rubber-contacting components. This would usually include the slider pins on the calipers, and the pistons, if you get that far into it.

On an old system it might be a good idea to get that far in to it. Mine was seized in the caliper ear bushings, needing jacked up under a shipping container to free, seized in one piston, and just generally in a state, Newer or maintained system might be OK.

I used Japanese silicon grease, and wrapped the slider pins in PTFE thread seal tape, The latter is my own improvisation and probably wont meet with universal approval. I also have some Japanerse "red rubber grease", and some Australian Bendix Ceramlube, which I'll probably use next time. I used Japanese aluminium anti-seize on the caliper ears and sliders, and your Copaslip should be OK there.

That said, you can't buy any of this stuff here in Taiwan, yet cars still stop. I suspect they don't maintain brakes much (cars are mostly newish) but I bet when they do mechanics just use general purpose lithium grease, which suggsts modern brake rubber stands up to this, at least for a while.

Reply | Report as offensive | Link
Wed 16 Jan 2019 12:08
Peugeot 107 - Front brakes - edlithgow

"I used Japanese aluminium anti-seize on the caliper ears and sliders, and your Copaslip should be OK there."

should read

"I used Japanese aluminium anti-seize on the pad ears and sliders, and your Copaslip should be OK there."

i.e, the wee hooked lugs on the pad back plate, that engage in and slide along the front of the caliper.

At least I THINK that's the correct term

Reply | Report as offensive | Link
Wed 16 Jan 2019 13:40
Peugeot 107 - Front brakes - madf

That said, you can't buy any of this stuff here in Taiwan, yet cars still stop. I suspect they don't maintain brakes much (cars are mostly newish) but I bet when they do mechanics just use general purpose lithium grease, which suggsts modern brake rubber stands up to this, at least for a while.

I expect Taiwan has little road salt in winter,,

Makes a huge difference to corrosion.

Reply | Report as offensive | Link
Wed 16 Jan 2019 15:36
Peugeot 107 - Front brakes - edlithgow

That said, you can't buy any of this stuff here in Taiwan, yet cars still stop. I suspect they don't maintain brakes much (cars are mostly newish) but I bet when they do mechanics just use general purpose lithium grease, which suggsts modern brake rubber stands up to this, at least for a while.

I expect Taiwan has little road salt in winter,,

Makes a huge difference to corrosion.

This is true, though I'd think these components would still need lubricated if there was no corrosion at all, and there is some, since its very wet in the summer and humid all the time.

Reply | Report as offensive | Link
Wed 16 Jan 2019 16:07
Peugeot 107 - Front brakes - gordonbennet

Yes, Coppaslip is not the ideal lubricant for brake parts, i prefer the correct red brake grease, a smallish pot of which for a tenner will more than likely see you out.

Reply | Report as offensive | Link
Wed 16 Jan 2019 23:11
Peugeot 107 - Front brakes - Andrew-T

I've volunteered to change the front disks and pads on my son's 107 Saturday, never worked on one before.....any potential pitfalls ?

Pads should be a doddle if it's a Bendix system, which is common on Peugeots. Discs may need a bit more dismantling - it may be secured with a couple of countersunk screws needing a cross-head driver. I use a smear of coppaslip on the back of the pad against the piston, and another on the pad guides, but make sure it doesn't get anywhere else, for obvious reasons.

There may well be a help video on YouTube.

Edited by Andrew-T on 16/01/2019 at 23:12

Reply | Report as offensive | Link
Thu 17 Jan 2019 01:02
Peugeot 107 - Front brakes - edlithgow

I recall needing many whacks with a BFH to get my rusted Renault 5 disks off, so you might locate one of those too, just in case.

Reply | Report as offensive | Link
Thu 17 Jan 2019 09:21
Peugeot 107 - Front brakes - gordonbennet

If the car still wears the OE set, chances are they haven't been on long enough to rust solid to the hub, fastest wearing discs i've seen to date.

The family Aygo is now fitted with Brembo discs and pads, which are wearing much better.

Reply | Report as offensive | Link

Looking for a garage you can trust? Honest John's Good Garage Guide has thousands of reader recommended garages, plus how-to guides and tips on servicing.

The Good Garage Guide