Quote:
Originally Posted by rick33b
Thanks MPE235. I cleaned the corrosion out of both rear hubs - they were both pretty bad. I also put an oscilloscope on each rear abs sensor and had clean pulses from each so I am reasonably sure the sensors are OK. I am going to install an actuator from a salvaged 04 Maxima (same model/ braking configuration). Will I need the dealer to perform any calibration or resetting of codes? I don't understand why a failure of the pulses from the ABS sensors due to hub corrosion cause the actuator to go bad. Is it because it over stresses the actuator?
Rick
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No programming required. Just install it and bleed the brakes. The actuator goes bad because the abs runs continuous when the sensor is misreading. It overheats the unit. I have seen some that come in with the pump running even when the car is turned off. The only way to shut them off was to disconnect the power to it.