A/C blower fan fluctuated back and forth from top vents to floor vents
KAREN KLECKNER
MEMBER
2001 CHEVROLET LUMINA
3.6L
6 CYL
AUTOMATIC
174,000 MILES
Okay, I just had the fan and resister replaced, now the fan fluctuates on its own from top vents to floor vents. It also changes when I am driving uphill.
Do you
have the same problem?
Yes
No
Saturday, September 21st, 2019 AT 9:00 AM
1 Reply
SCGRANTURISMO
MECHANIC
4,897 POSTS
Hello,
This sounds like you could have a problem with your vehicle's blend door actuator. These are little plastic motors that control the doors that make your vehicle's Heating, Ventilation, and Air Conditioning (HVAC) work properly. Here is a link below explaining about replacing them: