Pinpoint Test A: Steering Has Lack Of Assist Or Inconsistent Assist
- A1 CHECK FOR POWER STEERING FLUID CONTAMINATION
- Check the power steering fluid for contamination.
- Is the power steering fluid contaminated?
- Yes : FLUSH the power steering system. REFER to POWER STEERING SYSTEM FLUSHING . CHECK the system for normal operation. If assist concern still exists, GO to A2.
- No : GO to A2.
- A2 CHECK THE STEERING ASSIST WITH THE ENGINE RPM RAISED
- 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?
NOTE: Do not hold the steering wheel at the stops for an extended amount of time. Damage to the power steering pump may occur.- Yes : INSTALL a new power steering pump. REFER to POWER STEERING .
- No : GO to A3.
- A3 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 POWER STEERING PRESSURE TEST .