Acura TSX / Honda Accord CL. Manual - part 188

10. Tighten the pump mounting bolts to the specified torque.  

11. Fill the reservoir to the upper level line (see FLUID REPLACEMENT ).  

PUMP OVERHAUL 

EXPLODED VIEW 

Replace the pump as an assembly if the parts indicated with asterisk (

*

 ) are worn or damaged.

 

Fig. 18: Exploded View Of Pump 

 

2004 Acura TSX 

2004 STEERING Power Steering System - TSX

  

 

Special Tools Required:  

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Attachment, 32 x 35 mm 07746-0010100  

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Driver 07749-0010000  

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Pulley holder 07ZAB-S5A0100  

DISASSEMBLY 

1. Remove the power steering pump (see PUMP REPLACEMENT ).  

2. Drain the fluid from the pump (see step 1 on FLUID REPLACEMENT ).  

3. Hold the power steering pump (A) in a vise with soft jaws (B), hold the pulley (C) with the special tool 

(D), and remove the pulley nut (E) and pulley. Be careful not to damage the pump housing with the jaws 
of the vise. 

Fig. 19: Removing Pulley 

4. Remove the inlet joint and O-ring.  

NOTE:

Refer to the Exploded View as needed during the following procedure.

 

2004 Acura TSX 

2004 STEERING Power Steering System - TSX

  

 

5. Remove the pressure control valve cap, O-ring, valve spring, and pressure control valve.  

6. Remove the pump housing cap, O-ring, and pump preload spring.  

7. Remove the pump cover and pump cover seals.  

8. Pull out the roll pin.  

9. Remove the outer case, cam ring, rotor, vanes, and side plate.  

10. Remove the rubber seal and slipper seal from the outer case.  

11. Remove the O-rings from the bottom of the housing.  

12. Remove the snap ring, then remove the drive shaft by tapping the shaft end with the plastic hammer.  

13. Remove the seal from the pump housing. 

Inspection 

14. Check the pressure control valve for wear, burrs, and other damage to the edges of the edges of the 

grooves in the valve. 

Fig. 20: Checking The Pressure Control Valve 

15. Inspect the bore of the pressure control valve on the pump housing for scratches and wear.  

16. Slip the pressure control valve back in the pump housing, and check that it moves in and out smoothly. If 

OK, go to step 17; if not, replace the pump as an assembly. The pressure control valve is not available 
separately. 

 

2004 Acura TSX 

2004 STEERING Power Steering System - TSX

  

 

Fig. 21: Slipping The Pressure Control Valve Back In The Pump Housing 

17. Attach a hose (A) to the end of the pressure control valve (B) as shown. Then submerge the pressure 

control valve in a container of power steering fluid or solvent (C), and blow in the hose. 

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If air bubbles leak through the valve at less than 98 kPa (1.0 kgf/cm

2

 , 14.2 psi), replace the pump 

as an assembly. The pressure control valve is not available separately.  

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If the pressure control valve is OK, set it aside for reassembly later. 

 

2004 Acura TSX 

2004 STEERING Power Steering System - TSX