Diesel Data
: Automotive Repair
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Buick
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1985
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Riviera V8-307 5.0L
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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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Transmission Position Sensor/Switch
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Description and Operation
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3RD and/or 4TH Gear Switch
3RD and/or 4TH Gear Switch
Switches--mounted in the transmission--are closed unless the transmission is shifted into the relative gear.