Colorado 4WD V8-5.3L (2010)
10. Remove the servo cover retaining ring.
11. Remove the J 29714-A.
12. Remove the servo cover and the 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.
13. Remove the 2-4 servo from the transmission.
14. 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
15. Disassemble the 2-4 servo if necessary. Refer to 2-4 Band Servo 2nd Apply Piston Disassemble (See: Service and Repair/Overhaul/82. 2-4 Band
Servo 2nd Apply Piston Disassemble).
16. Clean and inspect the 2-4 servo. Refer to 2-4 Band Servo Piston Pin Length Check (See: Service and Repair/Overhaul/6. 2-4 Band Servo Piston
Pin Length Check).
Installation Procedure
1. Assemble the 2-4 servo if previously disassembled. Refer to 2-4 Servo Assembly Installation (See: Service and Repair/Overhaul/83. 2-4 Servo
Assembly Installation).
2. Lightly lubricate the seals with clean transmission fluid.
3. Install new seals on the servo pistons and the servo cover.