Yukon 2WD V8-5.3L (2007)
12. Remove the spacer plate to valve body gasket, the spacer plate and the spacer plate to transmission case gasket.
13. Remove the 3-4 accumulator piston (2).
14. Inspect the 3-4 accumulator spring for cracks.
15. Remove the 3-4 accumulator piston seal (1) from the 3-4 accumulator piston.
16. Inspect the 3-4 accumulator piston for the following conditions:
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Porosity
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Cracks
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Scoring
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Nicks and scratches
Installation Procedure
