Operation CHARM
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Chevy Truck
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1988
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R 10 P/U 2WD V8-454 7.4L
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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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Description and Operation
Service and Repair
THM 400/475 Transmission
Turbo Hydra-Matic 3L80 & 3L80HD (400 & 475)
