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Why does my Chevy Tahoe rear AC not blow?

Why does my Chevy Tahoe rear AC not blow?

So, my rear AC does not blow at all on my 99 Tahoe LS. I’ve replaced the fuse with no luck. I turn the switches and nothing happens. The front works fine. Any thoughts are appreciated.

What to do if your rear AC is not blowing?

What you can do is get a short finder so you dont have to keep replacing 30A fuses, but unplug the relay in the back for the blower motor & see if the short is before the rear HVac or inside the rear HVAC. If it doesnt blow then insert the relay & unplug the blower itself & see if it is the problem.

Where are the relays for the rear blower?

For the rear blower those relays are in the rear housing. You may be hearing the compressor cycling or another unrelated module at work. OK. Nearly three years later, I finally got around to this. I opened up the rear panel and took out the motor only to find the basket completely covered in thick black hair.

So, my rear AC does not blow at all on my 99 Tahoe LS. I’ve replaced the fuse with no luck. I turn the switches and nothing happens. The front works fine. Any thoughts are appreciated.

Why is my Chevy Tahoe heater not working?

The only thing that the air conditioning system has in common with the heater is that they both use the climate controls and the blower motor. It is entirely possible for your Tahoe’s heater to work just fine even when the air conditioner is not blowing cold at all.

What to do if your rear blower stops working?

Chevy tahoe suburban rear blower stops working. How to fix. – YouTube Chevy tahoe suburban rear blower stops working. How to fix.

For the rear blower those relays are in the rear housing. You may be hearing the compressor cycling or another unrelated module at work. OK. Nearly three years later, I finally got around to this. I opened up the rear panel and took out the motor only to find the basket completely covered in thick black hair.

What are the fuses on a Chevy Tahoe?

Secondary Injection Reaction Pump Relay ATC Fuse #27 20A Automatic Transfer Case (ATC) Control Module. Encoder Motor SEO 1 Fuse #43 15A Roof Beacon Switch. Cellular Phone Wiring Provisions IGN C Fuse #53 20A Ignition Switch. Crank. IGN 0 Fuses 4WD Fuse #7 15A. Auxillary Battery Relay, Front Axle Actuator/Switch.

What you can do is get a short finder so you dont have to keep replacing 30A fuses, but unplug the relay in the back for the blower motor & see if the short is before the rear HVac or inside the rear HVAC. If it doesnt blow then insert the relay & unplug the blower itself & see if it is the problem.

Why is the rear AC warmer than the front?

When the rear ac is turned on only, the air isn’t that cold. But when the front ac is turned on, the rear ac is blowing colder air out the vents. That’s because the rear AC by itself can’t turn the compressor on… The front AC has to be on for the compressor to turn on….

Is the a / C on in my GM Truck?

After two cans of R134a and 3 days later a can of Stop Leak, everything is cool and holding its pressure. We are getting some very humid 95 degree days so the A/C is being used frequently. Its 10:12am and its already 91 degrees outside…

What to do if your air conditioner is not working?

Replacement of most air conditioning components requires complete evacuation of the air conditioning system with a refrigerant recovery machine. Once components are re-installed, the technician will remove all air from the system in preparation for recharging the system with new refrigerant.

What happens when the air conditioner compressor fails?

When the compressor fails, the most common symptom is warm air from the vents. A squealing or grinding noise may also be heard from the compressor in the event of mechanical fai… Read More When the condenser fails, the air conditioner will fail along with it.

How to recalibrate the HVAC system in a Chevy Tahoe?

When it’s time to reconnect it, touch it to the negative battery terminal to make sure any residual electricity is discharged. Start the engine and DO NOT TOUCH THE HVAC CONTROLS FOR 5-10 MINUTES! The system will go through a calibration procedure, all the actuators ( mode, blend, recirc) will calibrate also.

Why does my Chevy Tahoe Keep blinking snowflakes?

The blinking snowflake can be many things, it just means that something is keeping the A/C from turning on. If the controls are in the wrong position (A/C won’t work if it’s turned to defrost position, etc.) or if the compressor won’t turn on for some reason like if it’s too cold outside or the compressor is bad or you’re low on freon.

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Ruth Doyle