Yukon/Denali XL 1500 4WD V8-6.0L VIN U (2004)
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7. Remove the 1-2 accumulator piston seal (1) from the 1-2 accumulator piston.
8. Inspect the 1-2 accumulator piston for the following defects:
^
Porosity
^
Cracks
^
Scoring
^
Nicks and scratches
9. Inspect the 1-2 accumulator cover for the following defects:
^
Porosity
^
Cracks
^
Scoring
^
Nicks and scratches
10. Remove the spacer plate support bolts.