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Home >> Hummer >> 2007 >> H2 4D Utility Wagon >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Hydraulic Brakes >> Repair Instructions >> Hydraulic Brake Booster Accumulator Replacement >> Installation Procedure

Installation Procedure

    Fig 1: Identifying Accumulator Components
    GM361385Courtesy of GENERAL MOTORS CORP.
  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 CORP.
  3. Place the J 26889  over the end of the accumulator. See Special Tools .
  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 CORP.
  6. Install the accumulator retainer ring (1).
    7. Fig 4: View Of Accumulator With C-Clamp
    GM361397Courtesy of GENERAL MOTORS CORP.
  7. Release the C-clamp.
  8. Remove the nut from the stud.
  9. Remove the J 26889  . See Special Tools .
  10. Install the master cylinder to the hydraulic booster. Refer to Master Cylinder Replacement .
  11. Release the park brake and unblock the wheels.
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