Express 4500 V8-6.0L (2010)
9. Release the C-clamp.
10. Remove the nut from the stud.
11. Remove the J 26889.
12. Remove the accumulator (2) and O-ring seal (3).
Installation Procedure
1. Lubricate all seals and metal friction points with power steering fluid GM P/N 1052884 (Canadian P/N 993294) or equivalent.
2. Install the accumulator (2) and O-ring seal (3).