08-03-2015, 01:22 PM
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#1
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Registered User
Join Date: Jun 2012
Location: Hernando Beach, Florida
Posts: 444
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Quote:
Originally Posted by Porsche9
Nice work and explanation of this DIY job.
Did you check the the disc to ensure they are still within spec to last through your next set of pads?
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I did not check the thickness with anything other than feel and eyes. This is the first set of pads that the car has gone through and they looked good. When I was young and stupid (16), I ate through a set of rotors so bad they almost fell apart when the brake guy did them. My dad was PISSED. Since then I keep a pretty good eye on them and feel for wear pretty regularly.
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2003 Boxster S, 6-spd, Seal Grey/Grey top
Ka is a wheel, and everything is 19
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08-03-2015, 03:56 PM
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#2
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On the slippery slope
Join Date: Mar 2014
Location: Austin and Palm Springs
Posts: 3,799
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Quote:
Originally Posted by Coffinhunter
I did not check the thickness with anything other than feel and eyes. This is the first set of pads that the car has gone through and they looked good. When I was young and stupid (16), I ate through a set of rotors so bad they almost fell apart when the brake guy did them. My dad was PISSED. Since then I keep a pretty good eye on them and feel for wear pretty regularly.
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You muct have some really well calibrated fingers and eyes. Getting a micrometer or calipers to measure the rotors is probably a good idea as it is only 2 mm between new and worn out
You can get a decent digital caliper from harbor freight for around $10-$15 when they are on sale which is nearly always.
I put a washer on both sides of the rotor as I had a little lip and then subtracted the washers thickness to get the correct measurement. In my case, 65k miles and just under 1mm of wear IIRC
__________________
2004 Boxster S 6 speed - DRL relay hack, Polaris AutoTop DIY
2004 996 Targa Tip
Instructor - San Diego region
2014 Porsche Performance Driving School
2020 BMW X3, 2013 Ram 1500, 2016 Cmax, 2004 F-150 "Big Red"
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08-04-2015, 04:33 AM
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#3
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Registered User
Join Date: Jun 2012
Location: Hernando Beach, Florida
Posts: 444
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Quote:
Originally Posted by JayG
You muct have some really well calibrated fingers and eyes. Getting a micrometer or calipers to measure the rotors is probably a good idea as it is only 2 mm between new and worn out
You can get a decent digital caliper from harbor freight for around $10-$15 when they are on sale which is nearly always.
I put a washer on both sides of the rotor as I had a little lip and then subtracted the washers thickness to get the correct measurement. In my case, 65k miles and just under 1mm of wear IIRC
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No I don't, lol. I will get one of those. I have 80,000 miles on the car, mostly highway as it is my DD, so I wasn't overly concerned. There was very little lip on the rotors, and this was the first brake change on the car. I figured next brake job would need rotors too. Now you have me all panicked.
__________________
2003 Boxster S, 6-spd, Seal Grey/Grey top
Ka is a wheel, and everything is 19
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08-04-2015, 06:49 AM
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#4
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X GI
Join Date: Nov 2014
Location: Pa
Posts: 80
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One step I would have performed. While everything is disassembled spray all with brake cleaner!! Amazing what a difference it makes...
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Daily Drivers:
2013 Passat SE
2001 RX300
1999 Boxster
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08-04-2015, 06:50 AM
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#5
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On the slippery slope
Join Date: Mar 2014
Location: Austin and Palm Springs
Posts: 3,799
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Quote:
Originally Posted by Coffinhunter
No I don't, lol. I will get one of those. I have 80,000 miles on the car, mostly highway as it is my DD, so I wasn't overly concerned. There was very little lip on the rotors, and this was the first brake change on the car. I figured next brake job would need rotors too. Now you have me all panicked.
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Didn't want to panic you, you are probably fine, its just swag measurements for things like brakes and clearances don't cut it
Get them measured and worst case, you will need to replace them.
__________________
2004 Boxster S 6 speed - DRL relay hack, Polaris AutoTop DIY
2004 996 Targa Tip
Instructor - San Diego region
2014 Porsche Performance Driving School
2020 BMW X3, 2013 Ram 1500, 2016 Cmax, 2004 F-150 "Big Red"
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08-05-2015, 04:36 PM
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#6
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Registered User
Join Date: Nov 2013
Location: Colorado
Posts: 442
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Quote:
Originally Posted by Coffinhunter
No I don't, lol. I will get one of those. I have 80,000 miles on the car, mostly highway as it is my DD, so I wasn't overly concerned. There was very little lip on the rotors, and this was the first brake change on the car. I figured next brake job would need rotors too. Now you have me all panicked.
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I did have to replace my rotors around 80k. I put the caliper on them and they were just under the allotted thickness. Don't panic and remember those wear numbers have some safety built into them. It's a good idea to replace if they are under the minimum spec but I wouldn't stop driving mine just because of that.
j
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