Installation Procedure

Fig 1: Identifying Accumulator Components

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Lubricate all of the seals and the metal friction points with power steering fluid.
Install the accumulator (2) and the O-ring seal (3).

Fig 2: View Of Accumulator With C-Clamp

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Place the J-26889 accumulator piston compressor over the end of the accumulator.
Install the nut on the stud.
Depress the accumulator with a C-clamp.

Fig 3: Identifying Brake Booster Retaining Ring & Access Hole

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Fig 4: View Of Accumulator With C-Clamp

Courtesy of GENERAL MOTORS COMPANY

Release the C-clamp.
Remove the nut from the stud.
Remove the J-26889 accumulator piston compressor.
Install the master cylinder to the hydraulic booster. Refer to Master Cylinder Replacement (JD9) , Master Cylinder Replacement (JH6) , Master Cylinder Replacement (Two-mode Hybrid) .
Release the park brake and unblock the wheels.