Brakes needed?

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Brakes needed?

Post by Araf on Mon 25 May 2015 - 20:58

After being told in November that my rear brakes 'needed' changing (only 20% of the discs left), I figured that was good for at least 5000 miles, as the other 80% had lasted 26,000 so hadn't done anything about it before now.

BTW, the quote for rear discs, pads, and fitting from Renault was just under £330


Checking online, new front discs are 24mm thick, and minimum thickness is 21.8mm  
New rear discs are 8mm thick, but minimum thickness is 7mm - only giving 1mm for wear, so no wonder they were showing as thin.

My front discs are 22.4 and 22.2mm thick, so they will need replacing pretty soon.

My rear discs are 7.1 and 7.2mm thick, so after 28,000 miles, I still have 10% of the wear remaining.

All pads look to have 4-5mm of friction material left, but should be changed at the same time as discs.

I figured that I should get discs and pads all round, so have ordered them from Eurocarparts.  They should take under 2 hours to fit, but I'll report back here, once they are done......


Oh, and the price?  £220 for Pagid discs and pads, front and back.

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Re: Brakes needed?

Post by LukeC on Mon 25 May 2015 - 21:23

Didn't go for an upgraded set up then? I'd go for ebc yellow stuff and brembo HC discs, for a cheap fast road set up, the brakes seem to fade so easy when pushed.

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Re: Brakes needed?

Post by Araf on Mon 25 May 2015 - 21:31

I've never had a problem with the standard brakes on track.

I also have a very strong aversion to EBC. I had some bad pads about 20 years ago, so won't go back to them. Just over a year ago, a friend had problems, and EBC weren't even interested in investigating, let alone helping.

How many club racers use EBC, that have to pay for their pads and discs? Very few, even though they are cheap, for very good reason. Most will use Pagid race compounds or Mintex.

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Re: Brakes needed?

Post by LukeC on Mon 25 May 2015 - 21:49

Ferodo are my pads of choice but quite expensive, EBC are better than standard in my opinion enough to stop a hot hatch sized motor which I don't want to blow the bank on; do need running in though, I will get mine checked soon, pretty sure they haven't been replaced in 23000 odd miles so are pretty awful. I am looking at 197 disks and calipers but I'd probably need to change the wheels which I don't really want to do

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Re: Brakes needed?

Post by Araf on Mon 25 May 2015 - 21:58

We had Wortec brakes put on one of our vehicles.  Fantastic brakes, but not cheap.


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Re: Brakes needed?

Post by Araf on Wed 27 May 2015 - 12:35

Looking through various posts on forums around the internet (because that's what it's for), and the rear discs do indeed incorporate a bearing, so the discs will need a hub puller to remove them.

Just purchased one of these from Halfords for the princely sum of £12.99



Total cost of the job is now £233. Even though I could leave it for a couple of months more, I may do them this weekend, if the weather's good, and nothing else comes up.

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Re: Brakes needed?

Post by Araf on Sun 31 May 2015 - 11:16

Back on topic, and the one piece of information that I was missing was the torque setting for the rear stub axle, when the new discs are fitted.
A general search of the internet yielded nothing, but as the Wind and Twingo share so many parts, I had a look through twingo133.net and it yielded the required information. Smile

Credit to Oscar on Twingo133.net for the following

BRAKE DISC / PAD DIMENSIONS AND TORQUES
Front brakes:-
Front disc diameter 280mm
Minimum Disc Thickness For Replacement / Ventilated Front : 21,8 mm
Disc Runout Front : 0,03mm
Minimum Pad Thickness Front : 8,2 mm (measurements include lining and pad backing plate)
Front disc bolts : 14N.m
Front guide pin bolts : 35 N.m
Front caliper support bolts : 100 N.m

Rear Brakes:-
Rear disc diameter 240mm
Minimum Disc Thickness For Replacement Rear : 7,0 mm
Disc Runout Rear : 0,06mm
Minimum Pad Thickness Rear : 6,0 mm (measurements include lining and pad backing plate)
Rear disc nut : 175 N.m
Rear guide pin bolts : 32 N.m
Rear caliper support bolts : 105 N.m

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Re: Brakes needed?

Post by knebby on Mon 1 Jun 2015 - 0:19

I'd love you to be my next door neighbour! My head translated your last post to 'Take it to a garage....'
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Re: Brakes needed?

Post by Araf on Mon 1 Jun 2015 - 19:53

Laughing

I haven't fitted them yet, so I could end up at a garage. Wink


BTW, for anyone interested, the oe pads are made by TRW. When I get them out, I'll let you have a manufacturers part number - if there is one.

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Re: Brakes needed?

Post by Barbs on Tue 2 Jun 2015 - 21:29

knebby wrote:I'd love you to be my next door neighbour! My head translated your last post to 'Take it to a garage....'

Funny that's how I feel lol
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Re: Brakes needed?

Post by Araf on Tue 2 Jun 2015 - 22:16

You'd both get fed up with the noise of a petrolhead living next door. The houses either side of us have changed hands 3 and 4 times respectively, since we've been here. We think it's a nice neighbourhood though. Laughing

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Re: Brakes needed?

Post by Barbs on Tue 2 Jun 2015 - 22:24

Araf wrote:You'd both get fed up with the noise of a petrolhead living next door.  The houses either side of us have changed hands 3 and 4 times respectively, since we've been here.  We think it's a nice neighbourhood though. Laughing

I could cope with that car advice (repair) swop beer, red wine, bbq.
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Re: Brakes needed?

Post by Araf on Sat 6 Jun 2015 - 14:54

Brakes all fitted.  Current mileage 29465. Rears took 45 minutes for the first, then 20 minutes for the second.  Fronts took 35, and 25 minutes - so just over 2 hours to get the tools out and do the job including taking pictures.

I'll write them up separately later in the 'how to' section to help others that want to tackle the job.

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Re: Brakes needed?

Post by Barbs on Sat 6 Jun 2015 - 19:57

Excellent job.... I so need a petrol head next door!
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Re: Brakes needed?

Post by Araf on Sat 6 Jun 2015 - 20:21

I usually get other people to work on my cars, but am doing this more to help others to have a go.

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Re: Brakes needed?

Post by Barbs on Sat 6 Jun 2015 - 20:29

I'll stick with lamps although I haven't changed them yet......

But  as with the parking  sensors I will give them the details .. Body shop garage


If they get stuck when brakes need doing. To be fair think the garage I use for mechanical issues is good. Old fashioned only does the work if it needs it.
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Re: Brakes needed?

Post by MovingShadow on Sat 31 Oct 2015 - 8:42

My brakes need changing too (front brakes). I've hit the 90 000 km mark too.

Brakes get noisy though when the disc starts to wear out. Problem is the brake pads are a pretty hard compound so they barely seem to wear off. To try and reduce the sound I've grinded off the edge of the brake pads.

I'll have to change everything though soon but I'll do it at my car mechanics school. Alot cheaper than the 350€ Renault asks for replacing them.
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