Defogger Problems of Chevrolet Suburban

The contact owns 2011 Chevrolet Suburban 1500. The contact stated that a mold and mildew odor was being emitted from the heating and cooling vents. The vehicle was taken to a dealer however, the mechanic could not diagnose the problem. The vehicle was not repaired. The manufacturer was made aware of the problem. The approximate failure mileage was 35,000.

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2003 Chevrolet Suburban hvac blower not fully functional on all blower speeds. . Service bulletin 11046, April 2010. . Chevrolet has known defect wiring connector and electrical terminals of relay resistor module as described in service bulletin which results in blower motor not functioning on certain or all blower speeds setting. Gm has issued special coverage adjustment for up to 10 yrs per bulletin but refuses coverage purportedly based on my vehicle not being in the special coverage VIN: two phone calls to customer service resulted in a hang up, put on hold and not returning to the call, and upon escalating the call to joy, the supervisor refusing to further assist. . . And refusing to escalate the call further explaining no manager is "likely" available, we've told you your answer. . . . Gm case #71-107-8244378 2nd issue with electrical; instrumentation cluster fails to work properly and digital display which indicates whether you are in park, reverse neutral drive (gear) dims or goes out completely. Same problem I had on 2005 Chevrolet Suburban 1500. Both vehicles they have refused to fix. 2003 had special coverage 07187 to repair this condition but the previous owner was not properly notified to fix this condition during the manufacture special coverage period. L they know it exist but once again are using any excuse to do the proper thing and fix the problem. Also reported under 71-107-8244378 request NHTSA and appropriate agencies further investigate these matters and hold gm accountable do not let gm continue to skirt recall repairs for known problems by narrow defining which vehicles they have to fix. Recalls should cover all vehicles that have identified safety issue and gm should facestiff punishment to encourage them to voluntarily fix problems rather than stonewall, stall, avoid, and make it more difficult than fixing the problem.

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Heating, ventilation, and air conditioning blower not fully functional on all blower speeds, runs continuously with the ignition off. Discharges battery with ignition keys removed, and has a burning smell.

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(during cold weather warm up) loading vehicle while running, with rear hatchback open, and having rear heater fan on higher blower settings: this allows exhaust from (right side of vehicle) to be pulled into the rear heat air intake vent (also on the right side, extreme rear of vehicle) and is distibuted to occupants in vehicle. We had an 11 month old placed in a car seat when this occurred (upper heat vents selected) which allowed carbon monoxide to be blown directly into his face. . I imagine this could occur during any cold weather idling situation with the rear heater fan setting on higher positions (such as loading groceries after shopping, while children sit inside). Thank you.

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The defroster does not adequately clear fog from the passengers side of the window causing poor visibility.

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