1999 Chevrolet Silverado 1500 Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 1999 Chevrolet Silverado 1500
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1999 Chevrolet Silverado 1500 ProblemsHeating and AC Temperature and Air Delivery Mode Door Actuators May Fail
One or more heater & AC (HVAC) air delivery and/or temperature mode door actuator may fail. This can result in incorrect air delivery or temperature. If this occurs, fault code(s) stored in the HVAC control module should be available to assist with diagnoses.
The speedometer or other instrument panel gauge may begin to work erratically at times. Our technicians tell us that the instrument cluster must be sent to a repair facility to correct this fault. The warranty has been extended on some of these units to 7 years or 70,000 miles.
1999 Chevrolet Silverado 1500 QuestionsI replaced the ICM now I keep blowing fuses everytime I start my vehicle (1 answer)
The new ICM had an orange wire installed with it as the old one did not