LS 460 V8-4.6L (1UR-FSE) (2007)
3. When fluid/air bubbles stop coming out tighten the bleeder screw and then release the brake pedal.
4. Repeat steps 2 and 3 until all air is removed from the FR line.
5. Connect a vinyl tube to the FL (Front Left) bleeder screw.
6. Repeat steps 2 and 3 until all air is removed from the FL line.
7. Press the "Engine Start/Stop" button to the ignition OFF position.
8. Connect the accumulator pump electrical connectors.
9. Press the "Engine Start/Stop" button to the ignition ON position.
IMPORTANT
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Accumulator pressure must be approximately 0.5 volts before starting the rear brake bleed procedure.
^
You should NOT hear the accumulator pump motor run after the ignition is turned ON. If the accumulator pump runs after ignition is turned
ON, return to "Section 1: Zero Down Accumulator Pressure".
10. Check and adjust the brake fluid level to MAX.
Section 4: Rear Brake Bleed