NC_Taycan
Well-Known Member
- First Name
- Lewis
- Joined
- Oct 13, 2020
- Threads
- 12
- Messages
- 810
- Reaction score
- 713
- Location
- Wake Forest, NC
- Vehicles
- '12 Tesla Model S P85, '17 Cayenne S, '20 Taycan Turbo
- Thread starter
- #16
Yes - bleeding brakes or flushing the fluid is totally a DIY-possible process (provided you don't get air in). This adventure did not need to happen.
Porsche does use DOT 4 fluid. One DIY note - if you are hoping to completely flush out old fluid, you will not be able to flush it all. Some will remain in the various ABS pump and valve assemblies. I don't consider this a problem. The reason to flush the fluid is to ensure the older fluid that has absorbed some moisture is removed from the hottest parts of the system (hoses, calipers). Brake fluid does not circulate so even old fluid in the ABS pump and chambers will not boil. If you have some other reason to need to flush all the fluid including what's in the ABS pump/chambers, this is a dealer process as the PIWIS tester is needed to actuate the ABS valves.
Porsche does use DOT 4 fluid. One DIY note - if you are hoping to completely flush out old fluid, you will not be able to flush it all. Some will remain in the various ABS pump and valve assemblies. I don't consider this a problem. The reason to flush the fluid is to ensure the older fluid that has absorbed some moisture is removed from the hottest parts of the system (hoses, calipers). Brake fluid does not circulate so even old fluid in the ABS pump and chambers will not boil. If you have some other reason to need to flush all the fluid including what's in the ABS pump/chambers, this is a dealer process as the PIWIS tester is needed to actuate the ABS valves.
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