I went through this same problem last year with my Bounder. I personally talked to oldusedbear on the cell. Get it fitted. He's a genius. There's a bleeder screw at the back of the autopark block, you have to reach up. Bled the system a few times and it was as good as new, saved $$$$$ aleast. Oldusedbear really knew what he was talking about. Thanks again oldusedbear where ever you are.
PS
You got to bleed the system, got to. Everything from turning the wheel to going from Park to Drive. If you don't you'll never get the air out and the reservoir will just keep overflowing when stooped.
The PS is bled by raising the front wheels, filing the reservoir then slowly and gently turning the wheels from stop to stop 7 or 8 times. Don't bump the stops hard. Be sure to maintain the fluid level or you'll have to start over again.
Pump the Brake slowly a few time to bleed the HydroBoost system, as well.
Pulling it out of Park while the fluid is low can pump air into the AutoPark Acuator. I is not self bleeding. As ktjakeandme said, there is a bleeder high on the actuator that does it. After lowering the vehicle, setting the footbrake, and firmly chocking it on level ground, fill the reservoir to its indicated level while in Park with engine running. Pull it out of park then bleed the Actuator which is on the right frame rail aft of the tranny. Keep in mind that the reservoir will have only about 2" of fluid in it with the Actuator pressurized. Don't let it go dry while bleeding, but resist the urge to fill it to the full mark while out of Park, because when you place it back into Park, the actuator will push its contents back and you'll have a messy overflow on your hands.
Place it back in Park and verify the fluid level as full. any foam remaining willwork itself out of the PS and HydroBoost sytem, but may cause a small amount of air to accumulate in the Actuator. You can re-bleed it after day of settling to be sure it's gone.
Remember, the PS, HydroBoost and AutoPark Actuator use PS fluid. The Master cylinder uses Brake Fluid!
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