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Buick
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1989
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Century L4-151 2.5L
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Repair and Diagnosis
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Engine, Cooling and Exhaust
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Engine
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Cylinder Head Assembly
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Rocker Arm Assembly
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Service and Repair
Rocker Arm Assembly: Service and Repair
Rocker arm studs that are cracked or have damaged threads can be removed from the cylinder head using a deep well socket. Install and torque new rocker arm stud to specifications.