Exploded View: Inspection

WARNING: This page is about a different car, the 2006 Acura MDX, 2005 Acura MDX, 2004 Acura MDX, and 2003 Acura MDX. However, it is still accessible from the selected car via links, so may be relevant.

10. 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.
11. Inspect the bore of the flow control valve on the pump housing for scratches and wear.
12. Slip the flow control valve into the pump housing, and check that it moves in and out smoothly. If OK, go to step 13; if not, replace the pump as an assembly. The flow control valve (A) is not available separately.

Fig 2: Inspecting Flow Control Valve
Courtesy of AMERICAN HONDA MOTOR CO., INC.
13. 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 or solvent (C), and blow in the hose.
- If air bubbles leak through the valve at less than 98 kPa (1.0 kgf/cm² , 14.2 psi), replace the pump as an assembly. The flow control valve is not available separately.
- If the flow control valve tests OK, set it aside for reassembly later.
  
  Fig 3: Attaching Hose To End Of Flow Control Valve
  Courtesy of AMERICAN HONDA MOTOR CO., INC.
14. 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 one (B).

Fig 4: Installing Ball Bearing
Courtesy of AMERICAN HONDA MOTOR CO., INC.
15. Inspect each part shown with an asterisk in the Exploded View; if any of them are worn or damaged, replace the pump as an assembly.