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Home >> Mazda >> 1976 >> Cosmo Automatic Trans >> Repair and Diagnosis >> Steering >> Manual Steering >> Power Steering - Power-Assisted Recirculating Ball >> General Service >> Hydraulic System Bleeding

Hydraulic System Bleeding

  1. Fill the reservoir to the "FULL" mark and raise the front end of vehicle. To avoid foaming of the fluid during filling and testing, fabricate a stick, using the dimensions shown in Fig 1 . 
  2. Install the fabricated stick in the reservoir with the short end down into the fluid return port on the bottom of the reservoir. With the stick in position, turn the steering wheel lock to lock at least ten times. Check the fluid level and add if necessary
    NOTE: Do not let the reservoir run dry.
    Fig 1: Fabricated Tool
    G09356248Courtesy of MAZDA MOTORS CORP.
  3. Attach a tube to the bleeder screw on the power steering gear. Insert open end of tube into a container partially filled with fluid.
  4. Start engine and turn steering wheel to left lock position and open bleeder screw. Run engine until air bubbles cease to appear. Repeat operation with the steering wheel in the right lock position.
    NOTE: Do not let the reservoir run dry.
  5. Close the bleeder screw and fill reservoir to between the "FULL" and "LOW" level marks.
    NOTE: Do not overfill.