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Nine9six Nine9six is offline
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Join Date: Jun 2004
Location: So Cal
Posts: 2,795
For brake and clutch slave fluid flushes, if you don't have a Bosch hammer, PST2, PIWIS diagnostics tool; or physically exercise the ABD and/or ABS systems as mentioned above by the OP, you will eventually end up with a non-functioning, gummed up system.

I would recommend exercising the abs/abd systems AFTER brake fluid flush to purge those components of the old brake fluid, and in the process refilling the system with the fresh brake fluid.

I would then, re-bleed the brakes to purge the system of the old brake fluid that was just exhausted by the ABS ABD systems components.

Here is an old Rennlist thread on the subject...

Just my $.02
If it flows, it goes. If its smooth, it moves. Any questions?
96 993 C2 (Current)
87 911 Factory Turbo-Look Cab (Sold)
85 911 Factory Turbo-Look Targa (Gone)

Last edited by Nine9six; 01-26-2018 at 07:37 PM..
Old 01-26-2018, 07:24 PM
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