Pinpoint Test B: Steering Has Lack Of Assist Or Inconsistent Assist - Vehicles With Hydro-Boost®

WARNING: This page is about a different car, the 2009 Ford Econoline and 2009 Ford E450 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.

B1 CHECK THE STEERING ASSIST WITH THE ENGINE RPM RAISED
- NOTE: Do not hold the steering wheel at the stops for an extended amount of time. Damage to the power steering pump can occur.
- Set the engine at 2,100 RPM and turn the steering wheel fully to the left and right.
- Is steering assist normal with the engine RPM raised?
- Yes: INSTALL a new power steering pump.
  REFER to POWER STEERING .
- No: GO to B2 .
B2 CHECK FOR A CHANGE OF ASSIST ON LEFT AND RIGHT TURNS
- With the engine at idle, turn the steering wheel fully to the left and to the right.
- Does the steering assist change when turning from right to left?
- Yes: INSTALL a new steering gear. REFER to POWER STEERING .
- No: CARRY OUT the Pump Flow and Pressure Component Test.