Exploded View: Inspection

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11. Check the flow control valve for wear, burrs, and other damage to the edges of the grooves in the valve.

Fig 1: Identifying Flow Control Valve
Courtesy of AMERICAN HONDA MOTOR CO., INC.
12. Inspect the bore of the flow control valve on the pump housing for scratches and wear.
13. Slip the flow control valve back in the pump housing, and check that it moves in and out smoothly. If OK, go to step 14, if not/replace the pump as an assembly. The flow control valve (A) is not available separately.

Fig 2: Inserting Flow Control Valve Into Housing
Courtesy of AMERICAN HONDA MOTOR CO., INC.
14. Attach a hose (A) to the end of the flow control valve (B) as shown. Then submerge the flow control valve in a container of power steering fluid (C), and apply compressed air in the hose.
- If air bubbles leak through the valve at less than 98 kPa (1.00 kgf/cm² , 14.2 psi), replace the pump as an assembly. The flow control valve is not available separately.
- If the flow control valve is OK, set it aside for reassembly later.
  
  Fig 3: Applying Compressed Air Into Attached Hose Of Flow Control Valve
  Courtesy of AMERICAN HONDA MOTOR CO., INC.
15. Inspect the ball bearing by rotating the outer race slowly. If you feel any play (axial or radial) or roughness, remove the faulty ball bearing (A), and install a new ball bearing (B).

Fig 4: Installing Drive Shaft
Courtesy of AMERICAN HONDA MOTOR CO., INC.
16. Inspect the driveshaft by rotating the inner race slowly. If you feel any play (axial or radial), remove the worn driveshaft (C), and install a new driveshaft (D).