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January 1, 1997 Service bulletin

A/c system flutter and/or moan noise with HVAC in a/c modes

Buick technical service bulletin 631218 for 1996-1997 Buick Lesabre, 1996-1997 Pontiac Bonneville and 1996 Buick Park Avenue and others.

Bulletin number
631218
Component
Equipment: appliance: air conditioner
Summary
A/c system flutter and/or moan noise with HVAC in A/C modes. Tw

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