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HOMESERVICE MANUALSACURA2009MDXREPAIR AND DIAGNOSISSTEERINGMANUAL STEERINGPOWER STEERING SYSTEMPOWER STEERINGPUMP REPLACEMENT
2009 Acura MDX

Pump Replacement

2009 Acura MDXSECTION Pump Replacement
  1. Place a suitable container under the vehicle.
  2. Drain the power steering fluid from the reservoir (see FLUID REPLACEMENT  ).
  3. Remove the engine cover (see step 8 ENGINE REMOVAL ).
  4. Remove the drive belt (A) from the pump pulley (see DRIVE BELT INSPECTION ).
    Fig 1: Drive Belt, Pump Pulley, Pump Inlet Hose With Pump Outlet Hose With Torque Specifications
    G05486398Courtesy of AMERICAN HONDA MOTOR CO., INC.
  5. Cover the auto-tensioner, alternator, and A/C compressor with several shop towels to protect them from spilled power steering fluid. Disconnect the pump inlet hose (B) and pump outlet hose (C) from the pump (D), and plug them. Take care not to spill the fluid on the body or parts. Wipe off any spilled fluid at once. Do not turn the steering wheel with the pump removed.
  6. Remove the pump mounting bolts (E).
  7. Cover the opening of the pump with a piece of tape to prevent foreign material from entering the pump.
  8. Connect the pump inlet hose and pump outlet hose onto the new pump with the new O-ring (F).
  9. Loosely install the pump in the pump bracket with the mounting bolts, then tighten the pump fittings securely.
  10. Tighten the pump mounting bolts to the specified torque.
  11. Install the drive belt (A).

    Note these items during drive belt installation:

    • Make sure that the belt is properly positioned on the pulleys (B).
    • Do not get power steering fluid or grease on the auto-tensioner, alternator, A/C compressor, and drive belt or pulley faces. Clean off any fluid or grease before installation.
      Fig 2: Identifying Drive Belt Installation Position
      G05486399Courtesy of AMERICAN HONDA MOTOR CO., INC.
  12. Fill the reservoir to the upper level line (see FLUID REPLACEMENT  ).
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.