Power Steering Pump Bleeding & Replacing For Mercedes Benz?

Bleeding Power steering pump is required while replacing power steering pump.
If the Air is still there in the steering pump,then power steering problems and issues will be noticed.If the Power steering Fluid is added more then required then also such problems occurs.In that case additional power steering fluid needs to be bleed.

The Procedure to Bleed Power steering Pump is as follows:----

  1. Inspect the power steering fluid level and top up as needed.
  2. Raise the vehicle until the front wheels are off the ground.
  3. Turn the steering wheel from stop to stop about 30 times. During this process continue to top off the fluid as needed.
  4. Start the engine and check the fluid level, top off if necessary. Allow to idle for 1 minute.
  5. Turn the steering wheel slowly from stop to stop several times at idle speed.
  6. The system has been bled when air bubbles no longer rise to the surface in the fluid reservoir and the fluid level no longer drops.

Now the Power steering Pump replacing Procedure:---

Removal & Installation

  1. Before servicing the vehicle, refer to the Precautions section.
  2. Disconnect the negative battery cable.
  3. Drain the power steering fluid.
  4. Remove or disconnect the following:

    Fan clutch, fan and shroud
    Accessory drive belt
    Power steering lines at pump
    Oil cooler lines if equipped
    Power steering pump
To install:
  1. Install or connect the following:

    Power steering pump. Torque the mounting bolts to 18 ft. lbs. (25 Nm)
    Power steering lines
    Oil cooler lines if equipped
    Accessory drive belt
    Fan clutch, fan and shroud
  2. Refill the reservoir with fresh fluid. Start the engine and turn the steering wheel from lock-to-lock several times. The system will bleed automatically. Check for leaks.

These details will help.


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