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Chevrolet
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1997
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Lumina V6-3100 3.1L VIN M SFI
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Repair and Diagnosis
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Transmission and Drivetrain
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Automatic Transmission/Transaxle
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Shift Modulator
Shift Modulator
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Testing and Inspection
Atmospheric Leak Check
Causes of Improper Vacuum at Modulator
Load Check
Preliminary Information
Sleeve Alignment Check
Vacuum Diaphragm Check
Service and Repair
Accumulator (1-2 and/or 2-3) and 2-1 Manual Servo
Vacuum Modulator System
Vacuum Modulator and/or O-Ring
