Operation CHARM
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1991
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Lumina APV V6-191 3.1L
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Heating and Air Conditioning
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Air Door
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Technical Service Bulletins
Air Door: Technical Service Bulletins
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A/C - Noise At Highway Speeds/Certain Heater Positions
Overview
Correction # 1. Noises From the Cowl Panel Area
Correction # 2. Heater System Noises In Defrost or MIX
Correction # 3. Heater System Noises In Heat, MIX or Defrost Modes
All Technical Service Bulletins
A/C - Noise At Highway Speeds/Certain Heater Positions
Overview
Correction # 1. Noises From the Cowl Panel Area
Correction # 2. Heater System Noises In Defrost or MIX
Correction # 3. Heater System Noises In Heat, MIX or Defrost Modes