Operation CHARM
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Buick
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1990
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Regal V6-191 3.1L
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Repair and Diagnosis
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Tune-up and Engine Performance Checks
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Adjustments
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Original Factory Non-Adjustable Rocker Arm Stud
Original Factory Non-Adjustable Rocker Arm Stud
This vehicle is equipped from the factory with non adjustable rocker arm studs. Torque rocker arm studs to
18 ft lb.