Brake discs need replaced?
#1
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Join Date: Apr 2006
Location: Glasgow
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Brake discs need replaced?
Hi all,
looking for some advice. Our S2000 was booked in for service and MOT (3 years old) and the technician has advised before the MOT that it would fail because of the rear brake discs and pads.
The car isn't used much and the discs get a film of rust quite often, however, its only done around 7500 miles since new - never been driven very hard either. I'd normally expect a set of discs to last a lot longer than this? and am a bit worried that the dealer is trying to con us.
The pads too have about 8mm left.
I know it depends on driving style but roughly how long should these last?
I asked their "service desk" who said that "3 years out of one set is very good going" - I'm no brake expert but I can't see how age and wear are closely related.
They want
looking for some advice. Our S2000 was booked in for service and MOT (3 years old) and the technician has advised before the MOT that it would fail because of the rear brake discs and pads.
The car isn't used much and the discs get a film of rust quite often, however, its only done around 7500 miles since new - never been driven very hard either. I'd normally expect a set of discs to last a lot longer than this? and am a bit worried that the dealer is trying to con us.
The pads too have about 8mm left.
I know it depends on driving style but roughly how long should these last?
I asked their "service desk" who said that "3 years out of one set is very good going" - I'm no brake expert but I can't see how age and wear are closely related.
They want
#3
Registered User
I would have to ask the "technician " on what grounds they would fail the MOT
8mm left on the pads , .
The disks shouldnt be worn .
Must be something else , but i cant think what
8mm left on the pads , .
The disks shouldnt be worn .
Must be something else , but i cant think what
#5
sounds like a bit of a con but depends how bad the corrosion is. If the corrosion is on the wearing surface and more than just minor surface rust, the pads won't be able to wear off the rust and the rust will rip the pads to dust in no time flat. However, if this is the case, they can just be skimmed on the car which will not cost much.
My rear discs had done 54k miles in 6 years and didn't need replacing.
My rear discs had done 54k miles in 6 years and didn't need replacing.
#7
2nd opinion called for AND trading standards if it's BS.
horrendous if it is a lie..
horrendous if it is a lie..
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#8
AFAIK the main MOT criteria on brakes is efficiency and as long as the brakes still work ok it should pass even with corroded, worn, scored discs etc. I have had many "beaters" over the years with serious rust and grooves in the discs and these have all passed MOT's as the brakes still actually worked ok.
They are trying it on IMO - take your business somewhere else (getting to know a local MOT place with a good reputation and giving them a reaonable tip everytime is also good for things like a small tweak on the emmissions and "number plate issues" etc )
They are trying it on IMO - take your business somewhere else (getting to know a local MOT place with a good reputation and giving them a reaonable tip everytime is also good for things like a small tweak on the emmissions and "number plate issues" etc )
#9
Originally Posted by mikdys,Apr 4 2006, 03:48 AM
AFAIK the main MOT criteria on brakes is efficiency and as long as the brakes still work ok it should pass even with corroded, worn, scored discs etc. I have had many "beaters" over the years with serious rust and grooves in the discs and these have all passed MOT's as the brakes still actually worked ok.
They are trying it on IMO - take your business somewhere else (getting to know a local MOT place with a good reputation and giving them a reaonable tip everytime is also good for things like a small tweak on the emmissions and "number plate issues" etc )
They are trying it on IMO - take your business somewhere else (getting to know a local MOT place with a good reputation and giving them a reaonable tip everytime is also good for things like a small tweak on the emmissions and "number plate issues" etc )
Options are to replace, to skim or post some pics up. Of course you can always go somewhere else for an MOT.
#10
there has to be a certain 'minimum' thickness of the friction surface of the disc and pad, excessive scoring/corrossion can fail an MOT. ask them to point out exactly what they thought was the problem and then see if someone else says the same.