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Buick
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1989
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Regal V6-173 2.8L
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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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Lo Range
Lo Range
1. At road speed and selector lever in "D2," shift selector lever to "Lo" range.
2. Accelerate vehicle, transaxle should not perform a 1-2 upshift.