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roybelding, ASE Certified Technician
Category: Cadillac
Satisfied Customers: 5719
Experience:  35 years of retail operations working on all vehicles.
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No heat on drivers side,heat on passenger side,ac works

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no heat on drivers side,heat on passenger side,ac works well-97 cadillac
JA: Have you checked to make sure the thermostat is working? What about the coolant level?
Customer: full of coolant,temp. gauge reads normal
JA: What is the model/year of your Cadillac?
Customer: 97,sls
JA: Are you fixing your vehicle yourself? What have you tried so far?
Customer: damaged vacuum hoses replaced on passenger,side,rodent damage,defrost now works,was stuck on defrost
JA: Anything else you want the mechanic to know before I connect you?
Customer: happened all at once,no heat,on driver side

hello, my name is ***** ***** I will be glad to assist you. please allow me a couple of minutes to gather some basic info.


it sounds like the blend door actuator. I attached a procedure and picture for you. I would replace both actuators if I were you.


Remove or Disconnect
1. Glove box.
2. Unsnap rod from the plastic retainer on the actuator arm.
3. Two screws from actuator.
4. Electrical connector.
5. Actuator.
6. Check the air mix door for free travel.

Install or Connect
1. Actuator.
2. Electrical connector.
3. Two screws to actuator.
4. Snap rod to plastic retainer on actuator arm.
5. Glove box.

^ After the actuator(s) has been replaced, the actuator needs to be recalibrated for proper travel. The ignition must be cycled "ON" for three minutes to allow the programmer and the actuator(s) to recalibrate for proper travel.

Customer: replied 11 days ago.
are you there roy
Customer: replied 11 days ago.
I can reach it through the glove box opening,is the passenger side door there too
Customer: replied 11 days ago.
is the passenger side flow door there too

just got home

let me check


better picture. yes, through the glove box.

as I suggested, I would replace both


any update??

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