C 2500 Yukon XL 2WD V8-8.1L VIN G (2002)
Band Apply Servo: Service and Repair
4L80-E
Reverse Servo Replacement
Reverse Servo Replacement
Removal Procedure
1. Raise the vehicle. Refer to Vehicle Lifting.
2. Remove the transmission oil pan and filter.
3. Remove the rear servo assembly from the transmission case as follows:
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Cover bolts (6)
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Cover (5)
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Cover gasket (4)
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Bottom retaining clip (3)
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Servo piston (2)
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Outer ring oil seal (1)
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Inner ring oil seal (7)
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Accumulator piston (8)
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Piston seal (9)
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Washer (10)
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Servo spring (11)
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Servo spring retainer (12)
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Selective pin (13)
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Accumulator spring (14)
Installation Procedure
1. Install the rear servo assembly to the transmission case as follows:
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Accumulator spring (14)
