Yukon/Denali 4WD V8-6.0L VIN U (2004)
7. Remove the servo cover ring.
8. Remove the J 29714-A.
9. Remove the servo cover and O-ring seal. If the cover is hung up on the seal, use a pick (2) in order to pull and stretch the seal (1) out of the
groove. Cut and remove the O-ring seal before removing the cover.
10. Remove the 2-4 servo.
11. Inspect the 4th apply piston, 2-4 servo converter, 2nd apply piston, and the servo piston inner housing for the following defects:
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Cracks
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Scoring
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Burrs and nicks
Installation Procedure
