Although Edmunds.com contends that Chevrolet is a force in terms of affordability and inventiveness, their trucks are not exempt from problems. In particular, the 2005 Chevrolet Silverado, a full-size pickup truck, suffers from heater related problems.
Chevrolet technical service bulletins (TSBs) report that the 2005 Silverado suffers from multiple heater blower motor problems. TSBs indicate that at times the blower motor is "inoperative," while at other times it "stays running."
The likeliest cause for heater blower motor failure is a leaking heater core. The heating core, which provides heat to the passenger compartment, usually leaks if it is of sub-par quality. A primary warning sign of a poor heater blower motor is its failure to operate at lower speeds.
Heater blower motor replacement costs approximately $221 for parts and labor, according to Repair Pal. Repair Pal indicates that a new blower motor should run normally at all speeds and not make any noise or vibration.
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