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Buick
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1991
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Regal V6-191 3.1L
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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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Testing and Inspection
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Initial Inspection and Diagnostic Overview
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Road Test Procedure
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Testing
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Overrun Braking
Overrun Braking
Overrun braking can be checked by manual downshifting to the next lower range.Engine RPM should increase and an engine braking effect should be noticed.