Disco 5 brakes

hally

Member
Livestock Farmer
Location
cumbria
Just had disco mot done and it says front brakes/discs worn but not excessively is there any way of knowing when to change them like a warning light or do them now as service is probably 6k miles away?
 

hally

Member
Livestock Farmer
Location
cumbria
How many miles has it done?
I've been driving 42 yrs, never needed discs on a vehicle yet. pads every 70.000 miles ish. garages nowadays scam customers selling brakes when not needed.
I did suspect that. 40k miles, main dealer wants £680 so rang LR specialist but he wants nearly £600. Surely it is no more technical than any other vehicle and the local garage can do it or does it need a specialist LR garage?
 
Generally a set of discs should last 2 to 3 sets of pads. There will be a guide minimum thickness for the discs somewhere in maintenance data. Simply not worth getting the last couple of thousand miles out of pads and risk scoring the discs.

Some discs, if worn too thin, will part company from the hub - that must be scary. Ventilated discs will suffer from blueing patches if the get too thin.

Main dealers see brake servicing as a cash cow so get to know a local established motor engineer who will certainly be far less expensive.
A fluid change every 100,000 miles or 3 years is also a good idea ‘cos it gets rid of moisture in the fluid which can under serious braking situations turn to water vapour and cause a spongy pedal.
 
40k for front pads isn't bad, but discs should last 2-3 sets of pads. As I don't think they remove wheels for MOT I'm not sure how they actually inspected pads & discs! Normally just the brake efficiency is tested on their rollers.

Not quite such a DIY job to change front discs as it used to be because of all the ABS gubbins.

I did have a 406 Estate some years ago that ate front discs once the first set had been changed- all changed under warranty as I suspected that the dealer was not using genuine PSA discs, and I could demonstrate by the wobbling on braking and the colour change on the discs that they were actually warping. Lots of red faces in the Service Manager's office when I took him to task. Fortunately I got on well with him [and the dealer principal due to a mutual interest in traction engines!]
 

hally

Member
Livestock Farmer
Location
cumbria
40k for front pads isn't bad, but discs should last 2-3 sets of pads. As I don't think they remove wheels for MOT I'm not sure how they actually inspected pads & discs! Normally just the brake efficiency is tested on their rollers.

Not quite such a DIY job to change front discs as it used to be because of all the ABS gubbins.

I did have a 406 Estate some years ago that ate front discs once the first set had been changed- all changed under warranty as I suspected that the dealer was not using genuine PSA discs, and I could demonstrate by the wobbling on braking and the colour change on the discs that they were actually warping. Lots of red faces in the Service Manager's office when I took him to task. Fortunately I got on well with him [and the dealer principal due to a mutual interest in traction engines!]
mot was done with the service that’s how they would know but said they weren’t quite ready for replacement just yet when I asked. Will a warning light come on before the worn pads damage the discs ?
 
40k for front pads isn't bad, but discs should last 2-3 sets of pads. As I don't think they remove wheels for MOT I'm not sure how they actually inspected pads & discs! Normally just the brake efficiency is tested on their rollers.

Not quite such a DIY job to change front discs as it used to be because of all the ABS gubbins.

I did have a 406 Estate some years ago that ate front discs once the first set had been changed- all changed under warranty as I suspected that the dealer was not using genuine PSA discs, and I could demonstrate by the wobbling on braking and the colour change on the discs that they were actually warping. Lots of red faces in the Service Manager's office when I took him to task. Fortunately I got on well with him [and the dealer principal due to a mutual interest in traction engines!]
Its not that difficult to inspect discs on a lot of vehicles these days, large number have alloys you can nearly get your head in between the spokes to see.
 
40k for front pads isn't bad, but discs should last 2-3 sets of pads. As I don't think they remove wheels for MOT I'm not sure how they actually inspected pads & discs! Normally just the brake efficiency is tested on their rollers.

Not quite such a DIY job to change front discs as it used to be because of all the ABS gubbins.

I did have a 406 Estate some years ago that ate front discs once the first set had been changed- all changed under warranty as I suspected that the dealer was not using genuine PSA discs, and I could demonstrate by the wobbling on braking and the colour change on the discs that they were actually warping. Lots of red faces in the Service Manager's office when I took him to task. Fortunately I got on well with him [and the dealer principal due to a mutual interest in traction engines!]
MOT is only valid on the day it is done - a cursory glance though the spokes of an alloy wheel is no substitute for regular wheel removal and brake inspection every 6 which is what our working vans get.
 
MOT is only valid on the day it is done - a cursory glance though the spokes of an alloy wheel is no substitute for regular wheel removal and brake inspection every 6 which is what our working vans get.
That's the whole reason for the advisories on mot's, covers the tester of any liability as they have proven that they have seen a possible defect which on the test day was not a fail but may well be before next test or even sooner.
 
mot was done with the service that’s how they would know but said they weren’t quite ready for replacement just yet when I asked. Will a warning light come on before the worn pads damage the discs ?
Depends…. Not all replacement pads come with wear sensors. A motor engineer worth his salt will make sure he uses ones with sensors which may not be the ultra cheapest.
 

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