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August 1, 1999 Service bulletin

Conditions with whistling noise at highway speeds with heater / ventilation / air condition (HVAC) system...

Saturn technical service bulletin 99T33 for 1997-1999 Saturn S-Series.

Bulletin number
99T33
Component
Visibility: defroster/defogger/HVAC system
Summary
Conditions with whistling noise at highway speeds with heater / ventilation / air condition (HVAC) system in recirculation mode. Tt

Owners of these vehicles have filed 2 complaints in the visibility category.

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