The rear discs will be unvented, the fronts vented hence much thicker.
I do not have the data abouyt minimum brake disc thickness for a CRV, but as a general guide have a look see and feel of the wear ridges on the outer edge, and at the inner friction contact area, of each disc.
Usually you will feel a ridge with your finger nail, this ridge has to be very pronounced before the discs are worn enough to need changing, often enough the discs get changed because they are scored badly or have started to pit or even have chunks missing in extreme cases through corrosion, this is sometimes found on the rear facings of rear discs that have been on many years.
As a rough guide i expect to get through two sets of pads worn out with a single set of front discs, but often find the rear discs need changing by the time the first set of pads is worn out, often through time deterioration not wear on an average mileage vehicle.
I expect there is several years wear in both sets of discs on your car, and that really is a very thorough check list to include disc measuring, i'm impressed.
Nice car by the way, my son and DiL have one same year, very happy with it too.
Edited by gordonbennet on 13/12/2016 at 21:45
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