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2007
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HHR L4-2.2L
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Engine, Cooling and Exhaust
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Exhaust System
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Technical Service Bulletins
Exhaust System: Technical Service Bulletins
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Exhaust System - Sulfur Odor Explanation
All Technical Service Bulletins
Exhaust System - Sulfur Odor Explanation
Exhaust System - Catalytic Converter Precautions