Savana 3500 V8-4.8L (2009)
Band Apply Servo: Service and Repair
4L80-E/4L85-E - Automatic Transmission
Reverse Servo Replacement
Reverse Servo Replacement
Removal Procedure
1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle (See: Maintenance/Vehicle Lifting/Service and Repair).
2. Remove the transmission oil pan and filter. Refer to Automatic Transmission Fluid and Filter Replacement (See: Service and Repair/Removal
and Replacement).
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)
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Selective pin (13)
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Servo spring retainer (12)
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Servo spring (11)
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Washer (10)