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the edge of the disc often has min size stamped on it.

3mm is quite a lot is there a visible wear ridge on the discs if so as they are not that expensive I would replace them
 

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I was advised by my friendly mechanic that the disks can be almost paper thin and still pass an MOT... As long as the breaks function as they should on the day of testing, then it'll get a pass (but perhaps an advisory). Not advisable, obviously - I have just had all disks and pads changed for £320 (genuine peugeot parts).
 

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when i bought my 207 it was MOT'd the day i bought it. passed fine.

went to look at the brakes; they were corroded on the inside, worn unevenly and very little pad material left. they dont take the wheels off for an MOT so if they look okay through the wheel and pass the braking test then it will pass an MOT no problem.

doesnt necessarily mean its safe though....

i replaced all 4 discs and pads (including rear bearings) for ~£150 in parts (pagid parts so fairly reputable). for that price its not really worth messing around :)
 

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I would definitely change them.As you know the front discs do the brunt of the work when braking,and for some reason they seem to wear down pretty quick on the pugs.They are not expensive and fairly easy to change,plus the fact with new discs on there will be a nice even surface for the new pads to bed into.
 

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when i bought my 207 it was MOT'd the day i bought it. passed fine.

went to look at the brakes; they were corroded on the inside, worn unevenly and very little pad material left. they dont take the wheels off for an MOT so if they look okay through the wheel and pass the braking test then it will pass an MOT no problem.

doesnt necessarily mean its safe though....
ABSOLUTELY. An mot pass means a car met certain MINIMUM standards ON THE DAY OF THE TEST.
Sorry for shouting, but all an mot really means if you buy a car with a fresh mot is you won't have to pay for a test for a year.
One of the mechanics I work with looked at a car for his son last week. The clutch was slipping but when he pointed this out the seller said it couldn't be because it had just passed its mot and "The garage would have failed it if it was". They didn't buy it.:lol:
A car will pass with cracked brake discs that can't bee seen without removing wheels. Or a loose battery hidden by an engine cover. Or rusty structural body parts hidden by plastic covers.
To be sure a car is in good shape it needs to be properly examined by a competent mechanic, if you are capable of doing this it will save you a lot of money, if not then you need to pay someone who is.
I have said a few times on this and other forums, a thorough service with all shortcomings addressed means a car will breeze through an mot. Also it will be fuel efficient and less likely to give unexpected trouble.

OK, rant over.:)

Roger.
 

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Not got my 307 manual to hand but the 308 manual states front disc thickness New - 26mm, minimum 24mm meaning a maximum of 2mm wear on the contact surface so yours are likely less than the specified minimum and need replacing.
 

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Discussion Starter #9
Yes,I went to the repair shop today and on Tuesday next week they are going to change them.:)
 

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They also changed the mot fail criteria on brakes a few years ago because of dodgy garages failing brakes for a bit of extra work.

To all intent now as long as the disks and pads are not in a dangerous state and pass the brake test they can now only pass and advise

Sent from my SM-G900FD using Tapatalk
 

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the other thing to consider is as the disc material gets thinner It will become less efficient at heat dispersal

Which could lead to brakes fading out at speed
 
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