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Tech: Z07 Brake Burnishing

 
Old 07-17-2018, 11:52 AM
  #81  
Sean Tex
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Sorry I responded with the wrong name ..... not thebishman, it should be addressed to hemmerman!
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Old 09-09-2018, 10:58 AM
  #82  
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if some of you are experiencing brake slip at odd random times, and assume your burnishing process was not performed properly...

You may want to consider another option for the root of your problem.

We are finding that a lot of people have experienced "ice mode" on our vehicles. We are over here,

https://www.corvetteforum.com/forums...ienced-it.html

please chime in if you have experienced this.
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Old 09-15-2018, 12:40 AM
  #83  
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Got this done a week ago prior to my first track event and it made a huge difference for sure, car stops like crazy, need to get 5-point harness soon
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Old 09-30-2018, 04:04 AM
  #84  
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Default brake burnish

Originally Posted by JanosNFS View Post
Got this done a week ago prior to my first track event and it made a huge difference for sure, car stops like crazy, need to get 5-point harness soon
right out of the manual
BRAKE BURNISH PROCEDURE Models: Stingray with Z51 Performance Package, Grand Sport without Z07 Performance Package, Z06 without Z07 Performance Package and Z06 without J57 Ceramic Brakes 1. Apply the brakes 25 times starting at 60 mph (100 km/h) to 30 mph (50 km/h) while decelerating at 0.4 g. This is a medium brake application. Drive for at least 0.6 miles (1 km) between applying the brakes. This first step may be skipped if there are more than 200 miles (320 km) on the brake pads. 2. Repeatedly apply the brakes from 60 mph (100 km/h) to 15 mph (25 km/h) while decelerating at 0.8 g. This is a hard brake application, without activating the Antilock Brake System (ABS). Drive for at least 0.6 miles (1 km) between stops. Repeat until the brake pedal travel starts to increase. Depending on conditions, this should take no longer than 25 brake applications. 3. Cool down: Drive at 60 mph (100 km/h) for approximately 10 miles (15 km) without using the brakes. 4. Apply the brakes 25 times from 60 mph (100 km/h) to 30 mph (50 km/h) while decelerating at 0.4 g. This is a medium brake application. Drive for at least 0.6 miles (1 km) between applications.
2. SEASON THE BRAKES CONTINUED STREET HIGH-PERFORMANCE BRAKE BURNISHING PROCEDURE Models: Grand Sport with Z07 Performance Package, Z06 with Z07 Performance Package, Z06 with J57 Ceramic Brakes This procedure should only be run on a track or other non-public area, and only on dry pavement. 1. From a stop, accelerate as rapidly as possible without activating traction control to a speed of 60 mph (100 km/h). 2. Use enough pedal force to completely stop the vehicle in four to five seconds. If ABS activates, braking is too hard. 3. Repeat Steps 1 and 2 Ė 50 times. This should take about 10 minutes. 4. After completing the 50 stops, cool the brakes by driving for 5 miles (8 km) at 60 mph (100 km/h). As with all highperformance brake systems, some amount of brake squeal is normal. RACING/TRACK BRAKE BURNISHING PROCEDURE Models: Grand Sport with Z07 Performance Package, Z06 with Z07 Performance Package, Z06 with J57 Ceramic Brakes This procedure should only be run on a track and only on dry pavement. Brake pedal fade will occur during this track burnish procedure and can cause brake pedal travel and force to increase. This could extend stopping distance until the brakes are fully burnished. 1. Drive a normal first lap, not too aggressively. 2. Laps 2 and 3 should be gradually driven faster and more aggressively, while allowing for reduced brake output and increased stopping distance due to brake fade. 3. Drive Lap 4 near full speed, while allowing for reduced brake output and increased stopping distance due to brake fade. 4. Laps 5 and 6 should be cool-down laps. 5. Lap 7 should be normal driving or an easy out lap.
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Old 10-28-2018, 11:49 AM
  #85  
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Originally Posted by hootowlc7 View Post
Straight from the manual... Page 9-9

Street High Performance Brake
Burnishing Procedure (Z06 with
Z07 Performance Package)
1. From a stop, accelerate as
rapidly as possible without
activating traction control to a
speed of 100 km/h (60 mph).
2. Use enough pedal force to
completely stop the vehicle in
four to five seconds. If ABS
activates, braking is too hard.
3. Repeat Steps 1 and 2 Ė 50
times. This should take about
10 minutes.
4. After completing the 50 stops,
cool the brakes by driving for km
(5 mi) at 100 km/h (60 mph)

Here it is online..
http://www.chevrolet.com/content/dam...ers-manual.pdf
This has changed at some time perhaps due to experience or a different pad. My just delivered 2019 Z06 says 5 times 60-0 then drive to cool off. (short version of text)
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Old 12-08-2018, 09:50 AM
  #86  
Old Guys Rule
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Default Burnishing with miles

I am just purchasing a 2015 ZO6 /ZO7 with 11,000 miles. I am pretty sure that the previous three owners did not race or street burnish the pads. Question: is it too late to burnish with milage? In which case, I will change out pads and burnish. I plan to track this on a monthly basis.
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Old 12-08-2018, 11:30 AM
  #87  
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Originally Posted by Old Guys Rule View Post
I am just purchasing a 2015 ZO6 /ZO7 with 11,000 miles. I am pretty sure that the previous three owners did not race or street burnish the pads. Question: is it too late to burnish with milage? In which case, I will change out pads and burnish. I plan to track this on a monthly basis.
iím sure youíve already looked at the photo one member posted and if you get a chance you might see if there is some remainder of that white line. Although I did mine about three weeks ago I havenít had it on the hoist yet but probably will next week to see if I got the same white line after burnishing mine a couple hundred miles ago. In your case, if the pads are original and have 11,000 miles on them I would think, Iím not an expert here, that know burnishing would be necessary or of any benefit. Your pads have probably already gone through enough heat cycles to accomplish the same thing even if the ďall at onceď burnishing process wasnít utilized. Again not an expert but someone who has burnished a few pads in the past. that
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Old 12-18-2018, 01:54 AM
  #88  
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I bought my car used with 10k miles. I donít think the burnishing procedure was done as there were no white lines visible on the pads. I did the burnishing procedure a few days ago. Did 40 or so 0-60-0 stops until the brakes basically stopped working. The pedal went to the floor and the only way to stop the car was to press really hard on the brakes until it came to a stop very slowly. I did 6-7 more stops like this before stopping the procedure and driving to cool the brakes down. I took some pictures of the pads - do these look okay? Also the fronts were the only pads that got white. I didnít see any change in the appearance of the rear pads.




Last edited by Gev; 12-18-2018 at 01:59 AM.
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Old 12-19-2018, 02:47 PM
  #89  
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You are good to go!
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Old 12-21-2018, 10:55 PM
  #90  
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anyone catch their rotors on fire or generate smoke from this? think that would be cool to catch on camera. maybe a bit expensive too.
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Old 12-21-2018, 11:16 PM
  #91  
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Originally Posted by trevor90 View Post
anyone catch their rotors on fire or generate smoke from this? think that would be cool to catch on camera. maybe a bit expensive too.
Not fire, but I do get smoke from the fronts when I do my burnishing process. Have done a few sets and almost always get them smoking... and really sickening smell too.
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