My rear vents just stop blowing air out of it.. front vents work.
May 4, 2020 at 6:59 AM
Rear A/C stopped blowing air
1999 CADILLAC DEVILLE
MROULET1
- MEMBER
- 79 POSTS
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ASEMASTER6371
- ✓ASE Certified Mechanic
- 52,796 POSTS
Good afternoon,
The rear blower motor may be the fault.
I attached a picture and the procedure for you to view. I will also attach a wiring diagram so we can do some testing to be sure it is the blower motor.
https://www.2carpros.com/articles/how-to-check-a-car-fuse
https://www.2carpros.com/articles/how-to-check-wiring
Roy
REMOVAL PROCEDURE
1. Remove the console assembly.
2. Disconnect the electrical connectors from the blower motor.
3. Remove the three retaining screws.
4. Remove the blower motor assembly.
INSTALLATION PROCEDURE
1. Install the blower motor into the console.
NOTE: Refer to Fastener Notice in Service Precautions.
2. Install the three retaining screws.
Tighten
Tighten the screws to 10 N.m (88 lb in).
3. Connect the electrical connectors.
4. Install the console assembly.
The rear blower motor may be the fault.
I attached a picture and the procedure for you to view. I will also attach a wiring diagram so we can do some testing to be sure it is the blower motor.
https://www.2carpros.com/articles/how-to-check-a-car-fuse
https://www.2carpros.com/articles/how-to-check-wiring
Roy
REMOVAL PROCEDURE
1. Remove the console assembly.
2. Disconnect the electrical connectors from the blower motor.
3. Remove the three retaining screws.
4. Remove the blower motor assembly.
INSTALLATION PROCEDURE
1. Install the blower motor into the console.
NOTE: Refer to Fastener Notice in Service Precautions.
2. Install the three retaining screws.
Tighten
Tighten the screws to 10 N.m (88 lb in).
3. Connect the electrical connectors.
4. Install the console assembly.
Images (Click to enlarge)
Professional Diagram for 2CarPros Members
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Click here to log in and view diagram.
Professional Diagram for 2CarPros Members
Click here to log in and view diagram.
Click here to log in and view diagram.
Professional Diagram for 2CarPros Members
Click here to log in and view diagram.
Click here to log in and view diagram.
Professional Diagram for 2CarPros Members
Click here to log in and view diagram.
Click here to log in and view diagram.
May 4, 2020 at 11:21 AM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.