Acura RL. Manual - part 815

Fig. 8: Identifying Shut-Off Valve And Pressure Control Valve 
Courtesy of AMERICAN HONDA MOTOR CO., INC. 

7. Fully open the pressure control valve (B).  

8. Start the engine and let it idle.  

9. Turn the steering wheel from lock-to-lock several times to warm the fluid to operating temperature.  

10. Measure steady-state fluid pressure while the engine is idling. If the pump is in good condition, the 

gauge should read no more than 1,470 kPa (15 kgf/cm

2

 , 213 psi). 

If it reads high, check for: 



Clogged or deformed feed or return line between the pump and steering gearbox.  



Clogged valve body unit.  

11. Close the shut-off valve, then close the pressure control valve gradually until the pressure gauge 

needle is stable. Read the pressure. 

12. Immediately open the shut-off valve fully. If the pump is in good condition, the gauge should read at 

least 9,604-9,996 kPa (98-102 kgf/cm

2

 , 1,392-1,448 psi). A low reading means pump output is too 

low for full assist. Repair or replace the pump.  

PUMP PRESSURE TEST WITH T/N 07406-001000A OR T/N 07406-001A101 

Special Tools Required  



P/S joint adapter (pump) 07VAK-P8A011A  



P/S joint adapter plate (pump) 07VAK-P8A012B  



P/S joint adapter (hose) 07RAK-S040122  



P/S pressure gauge 07406-001000A or 07406-001A101  

Check the fluid pressure as follows to determine whether the trouble is in the pump or steering gearbox.

NOTE:

Do not keep the shut-off valve closed more than 5 seconds or the pump 
could be damaged by over-heating.

 

2007 Acura RL 

2005-08 STEERING Steering - RL

  

me 

 

Friday, June 05, 2009 2:20:15 PM

Page 11 

© 2005 Mitchell Repair Information Company, LLC. 

1. Remove the right front fender trim (A). 

Fig. 9: Identifying Right Front Fender Trim 
Courtesy of AMERICAN HONDA MOTOR CO., INC. 

2. Check the power steering fluid level (see FLUID CHECK/REPLACEMENT ).  

3. Disconnect the pump outlet hose (A) from the pump outlet with care so as not to spill the power 

steering fluid on the frame and other parts, then install the P/S joint adapter (pump) on the pump 
outlet (B) with the P/S joint outlet plate. 

Fig. 10: Installing P/S Pressure Gauge To P/S Joint Adapter (Pump) With Torque Specifications
Courtesy of AMERICAN HONDA MOTOR CO., INC. 

4. Connect the P/S joint adapter (hose) to the P/S pressure gauge, then connect the pump outlet hose to 

the P/S joint adapter (hose).  

5. Install the P/S pressure gauge to the P/S joint adapter (pump).  

6. Open the shut-off valve (A) fully. 

 

2007 Acura RL 

2005-08 STEERING Steering - RL

  

me 

 

Friday, June 05, 2009 2:20:15 PM

Page 12 

© 2005 Mitchell Repair Information Company, LLC. 

Fig. 11: Identifying Shut-Off Valve 
Courtesy of AMERICAN HONDA MOTOR CO., INC. 

7. Start the engine and let it idle.  

8. Turn the steering wheel from lock-to-lock several times to warm the fluid to operating temperature.  

9. Measure steady-state fluid pressure while the engine is idling. If the pump is in good condition, the 

gauge should read no more than 1,500 kPa (15 kgf/cm

2

 , 213 psi). 

If it reads high, check for: 



Clogged or deformed feed or return line between the pump and gearbox.  



Clogged valve body unit.  

10. Let the engine idle, and gradually close the shut-off valve and immediately read the pressure. 

11. Immediately open the shut-off valve fully. If the pump is in good condition, the gauge should read at 

least 9,604-9,996 kPa (98-102 kgf/cm

2

 , 1,392-1,448 psi). A low reading means pump output is too 

low for full assist. Repair or replace the pump.  

FLUID LEAKAGE INSPECTION 

NOTE:

Do not keep the shut-off valve closed more than 5 seconds or the pump 
could be damaged by over-heating.

 

2007 Acura RL 

2005-08 STEERING Steering - RL

  

me 

 

Friday, June 05, 2009 2:20:15 PM

Page 13 

© 2005 Mitchell Repair Information Company, LLC. 

Fig. 12: Inspecting For Fluid Leakage 
Courtesy of AMERICAN HONDA MOTOR CO., INC. 

FLUID CHECK/REPLACEMENT 

1. Remove the right upper fender trim (A) (see UPPER FENDER TRIM REPLACEMENT ). 

Fig. 13: Identifying Right Upper Fender Trim 
Courtesy of AMERICAN HONDA MOTOR CO., INC. 

2. Check the reservoir (A) at regular intervals, and add the recommended fluid as necessary to fill the 

reservoir to the upper level line (B). Always use Acura Power Steering Fluid. Using any other type of 
power steering fluid or automatic transmission fluid can cause increased wear and poor steering in 
cold weather. 

 

2007 Acura RL 

2005-08 STEERING Steering - RL

  

me 

 

Friday, June 05, 2009 2:20:15 PM

Page 14 

© 2005 Mitchell Repair Information Company, LLC.