Quote:
Originally Posted by admranger
Activate traction control and abs a couple times (find some loose dirt in a parking lot). Sometimes that will free up any air in the system. Re-bleed with a pressure bleeder.
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Definitely worth a try. The factory method is to open up the ABS system valves using an appropriate scan tool during the bleeding process. If you don't you are leaving old fluid stuck in the system.
At a tech session at the local Ferrari dealer they showed bottles of brake fluid removed from cars. One had been serviced the previous 10 or 12 years at an independent shop that did not have the proper scan tool. When they performed a brake bleed, all the fluid that was trapped behind the ABS was contaminated with water and discolored. The rest was pretty clean and only a year or two old. They said one way to do it if you don't have the tool (wastes a lot of brake fluid) is to bleed the brakes. Go for a drive and activate the ABS several times, then go back and bleed again.