Posts Tagged: Air only blows through defrost vents

Air only blows through defrost vents

Air only blows through defrost vents Air only blows through defrost vents, cannot change heater settings, Escalade, Avalanche, Silverado, Suburban, Tahoe, Yukon, TSB, #04-01-38-008 GM has issued a technical service bulletin (TSB) #04-01-38-008 to address problems with the heating system, blower control, and airflow on the following models: 2003-2005 Cadillac Escalade, Escalade ESV, Escalade EXT 2003-2005 Chevrolet Avalanche, Silverado, Suburban, Tahoe 2003-2005 GMC Sierra, Yukon, Yukon XL If you find that you cannot control any of the heater controls, heating, air conditioning, or airflow, or the air only blows through … Read More