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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 477 (Hydraulic Brake System) >> Repair Instructions >> Power Brake Booster Pump Fluid Accumulator Replacement (JH6) >> Installation Procedure

Installation Procedure

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    Fig 1: Identifying Accumulator Components
    GM361385Courtesy of GENERAL MOTORS COMPANY
  1. Lubricate all of the seals and the metal friction points with power steering fluid.
  2. Install the accumulator (2) and the O-ring seal (3).
    3. Fig 2: View Of Accumulator With C-Clamp
    GM361397Courtesy of GENERAL MOTORS COMPANY
  3. Place the J-26889  accumulator piston compressor over the end of the accumulator.
  4. Install the nut on the stud.
  5. Depress the accumulator with a C-clamp.
    6. Fig 3: Identifying Brake Booster Retaining Ring & Access Hole
    GM360991Courtesy of GENERAL MOTORS COMPANY
  6. Install the accumulator retainer ring (1).
    7. Fig 4: View Of Accumulator With C-Clamp
    GM361397Courtesy of GENERAL MOTORS COMPANY
  7. Release the C-clamp.
  8. Remove the nut from the stud.
  9. Remove the J-26889  accumulator piston compressor.
  10. Install the master cylinder to the hydraulic booster. Refer to Master Cylinder Replacement (JD9) , Master Cylinder Replacement (JH6) , Master Cylinder Replacement (Two-mode Hybrid) .
  11. Release the park brake and unblock the wheels.
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