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Linda Taylor

Linda ... 5/4/2020

2006 Nissan Altima SL 6 Cyl 3.50L

Preventive Maintenance

why is my steering hard to turn if not leaking fluid from power steering pump?

2006 altima 3.5l is hard to steer but isnt leaking fluid that can be seen. replaced rack and pinion. havent had to refill fluid. it is also sluggish when accelerating

1 Answer


Jimm

Jimm 9/16/2020

Your vehicle has what is called Variable Assist Power Steering. This system uses a sensor in the steering column called the Hand Wheel Sensor and the Vehicle Speed Sensor. From the information from these sensors, the computer determines how much steering power assist is required. The computer then adjusts the pressure valve from the power steering pump to provide the steering power assist required for that condition.

If any of sensors is faulty, or if the pressure control valve is faulty, steering can be difficult at slow speeds.

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