Silverado Classic SS V8-6.0L (2007)
13. Remove the spacer plate to valve body gasket, the spacer plate and the spacer plate to transmission case gasket.
14. Remove the 3-4 accumulator piston (2).
15. Inspect the 3-4 accumulator spring for cracks.
16. Remove the 3-4 accumulator piston seal (1) from the 3-4 accumulator piston.
17. 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
