Savana 2500 2WD V6-4.3L VIN X (2004)
Band Apply Servo: Service and Repair
Automatic Transmission - 4L80-E/4L85-E
Reverse Servo Replacement
Reverse Servo Replacement
Removal Procedure
1. Raise the vehicle.
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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Serv-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 sevro assembly to the transmission case as follows:
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Accumulator spring (14)
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Selective pin (13)
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Serv-spring retainer (12)
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Serv-spring (11)
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Washer (10)
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Piston seal (9)
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Accumulator piston (8)
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Inner ring oil seal (7)
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Outer ring oil seal (1)
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Servo piston (2)