My heater does not blow hot
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1 Answer
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CVO 11/17/2012See this A/C Heater Blend Door Actuator
For your 1999 Oldsmobile Cutlass 3.1L SFI OHV 6cyl
http://www.autozone.com/.../N-jdagxZ9pelb
The blend door actuator is a servo responsible for controlling the mix of warm air from the heater core and cool air from the A/C and outside. If it malfunctions, your climate control system may not respond properly when you change the temperature on the climate control system.