Grooved discs query????
20 August 2012, 06:37 PM
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Grooved discs query????
Bit of a long story but I`ll shorten it. People may remember my "spongy brakes" queries from before, but basically ever since fitting my new grooved discs I`ve had issues.
Now, the garage I use told me that it`s an issue with the grooves, pushing the caliper pistons away from the discs while driving and that`s why I always get a better `bite` on the 2nd pedal press
Anyone heard this or is it just `pubtalk`
Ps. I had to slam on earlier today so obviously just had the one press on the pedal.......I didn`t think I was gonna avoid the coffin dodger who cut me up
Now, the garage I use told me that it`s an issue with the grooves, pushing the caliper pistons away from the discs while driving and that`s why I always get a better `bite` on the 2nd pedal press
Anyone heard this or is it just `pubtalk`
Ps. I had to slam on earlier today so obviously just had the one press on the pedal.......I didn`t think I was gonna avoid the coffin dodger who cut me up
20 August 2012, 06:56 PM
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20 August 2012, 07:05 PM
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Could be they are not bedded in yet, but if they are, and you are managing to "pump up" the brakes it's as Ian says, either some trapped air is being compressed, or the master cylinder could be passing fluid.
20 August 2012, 07:12 PM
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How long have the disks been on?, did you change pads at the same time?
Could be they are not bedded in yet, but if they are, and you are managing to "pump up" the brakes it's as Ian says, either some trapped air is being compressed, or the master cylinder could be passing fluid.
Could be they are not bedded in yet, but if they are, and you are managing to "pump up" the brakes it's as Ian says, either some trapped air is being compressed, or the master cylinder could be passing fluid.
20 August 2012, 07:33 PM
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Not necessarily, as it just returns to the low pressure/reservoir side of the seal, you don't actually lose fluid.
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