Blazer 2WD V6-4.3L VIN X (2004)
13. Remove the servo cover and O-ring seal. If the cover is hung up on the seal, use a pick (2) to pull and stretch the seal (1) out of the groove. Cut
and remove the O-ring seal before removing the cover.
14. Remove the 2-4 servo assembly from the transmission.
15. Inspect the 4th apply piston, the 2-4 servo converter, 2nd apply piston, and the 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
1. Install the new seals on the pistons and the servo cover.
2. Lubricate the seals with clean transmission fluid.
