acura Workshop Repair Guides

Acura (Honda) Workshop Service and Repair Manuals

Power Steering Pump Speed Sensor|Description and Operation|Page 5560 > < Power Steering Pump Speed Sensor|Description and Operation|Page 5558
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RELIEF VALVE (IN POWER STEERING SPEED SENSOR)

When the vehicle is moving in reverse, the power steering speed sensor also turns backward and pumps fluid in the opposite direction. To avoid
building up pressure in the reaction chambers that would increase steering effort while driving in reverse, the inlet and outlet-ports are connected by a
second internal passage containing a relief valve that allows the fluid to recirculate.

Power Steering Pump Speed Sensor|Description and Operation|Page 5560 > < Power Steering Pump Speed Sensor|Description and Operation|Page 5558