K Yukon/Denali 4WD V8-5.7L VIN R (2000)
Band Apply Servo: Service and Repair
4L80-E Automatic Transmission
Reverse Servo Replacement
Removal Procedure
1. Remove the transmission oil pan and filter. Refer to Automatic Transmission Fluid/Filter Changing.
2. 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)
Checking Procedure
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Tools Required
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J21370- 10 Gage Pin
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J38737 Band Apply Pin Checking Tool
