Operation CHARM
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Buick
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1988
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Century Estate Wagon L4-151 2.5L
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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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Shift Check
Shift Check
Start engine, depress brake pedal, then move gear selector from Park to Reverse and Reverse to Neutral to Drive. Gear selections should be immediate and not harsh.