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Buick
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1994
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Park Avenue Ultra V6-3.8L SC VIN 1
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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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Coast Downshift
Coast Downshift
With gear selector in overdrive, accelerate with
TCC
applied. Release accelerator pedal and lightly apply brakes. The TCC should release, then verify downshift shift points.