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December 1, 1999 Service bulletin

Experiencing a lack of expected performance of the air conditioning system in hot humid weather

Chevrolet technical service bulletin 990138005 for 2000 Chevrolet Impala, 1998-2000 Pontiac Grand Prix and 1997-2000 Buick Regal and others.

Bulletin number
990138005
Component
Equipment: appliance: air conditioner
Summary
Experiencing a lack of expected performance of the air conditioning system in hot humid weather. Tt

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