Rear Air Conditioner Not Working: No Air Is Coming Out Of The Rear

Don't be afraid to use real professional help on AC problems. You can ignore the sensors for a while, and concentrate on the freon and expansion valves. Sometimes, the car's airflow system may be blocked, preventing proper air circulation. Kindly contact an expert auto technician to do the replacement. It should be attended to as soon as possible. Rear ac not blowing cold air intermittently. If equipped, repeat for third row safety belts. Has anyone experienced the issue of rear AC being not as cold as the front main one?

1. Rear ac not blowing cold air intermittently
2. Rear ac not blowing cold air sometimes
3. Rear ac not blowing cold air in vehicle
4. Rear ac not blowing cold air and won t shut off
5. Rear ac not blowing cold air through vents

Rear Ac Not Blowing Cold Air Intermittently

In this case, replace the fuse or repair electrical wirings. The relay provides the blower motor to work. Yes, a dirty air filter can alter your car's air conditioner from cooling properly. With the system running, there should be maybe a few gas bubbles in the liquid stream visible through that window. If the air coming out inst cold, or is intermittently cold, there is a good chance your expansion valve needs to be replaced. The front A/C is blowing cold just great, and the rear A/C isn't blowing cold at all. This occurs when there is a faulty relay. The car's air conditioning system is vulnerable to failure and malfunction over time. Rear ac not blowing cold air and won t shut off. AC blows cold in the back but not in the front! If the resistor goes bad, you can only operate the blower motor at high speed or it will stick with one fan speed. This enables the air conditioner to produce cold air. I decided to look at the in dash controls.

Rear Ac Not Blowing Cold Air Sometimes

When it was disconnected the default was for the air or heat to be directed to the windshield/defrosters. Courtesy Cuda_Jim) It gives color codes for the vacuum hoses. The air filter helps to trap dirt, dust, and other contaminants from accessing the HVAC system. Obviously I had a leak somewhere in the line that feeds the rear actuators. Front AC not working but back is! Before starting this workflow, make sure you disconnect the battery to ensure safety. Front a/c cold, rear a/c not. Q: Can a blown fuse cause AC not to work? What Does A Compressor Do? Had a similar issue, no cold air and diagnosed the problem to the rear expansion valve being clogged with some small debris and fine metal shavings. It does the circulation of refrigerant throughout the system. 4th UPDATE: They found a leak at the expansion values caused by a busted O ring. Assuming that the hot water valve, setting motor, flap valves and control.

Rear Ac Not Blowing Cold Air In Vehicle

What is likely culprit? In this case, you should spend between $114 to $125 including the part and the labor cost. Test it in the winter. Checked out the in-dash control unit per the shop manual and it checks. Actually, the HVAC actuators are small motors that work in harmony with sensors attached to the climate control system.

Rear Ac Not Blowing Cold Air And Won T Shut Off

However, if your car has already malfunctioned the compressor, replace it with a new one. I just replaced the front evaporator in my '04 5. Proper diagnosis is the first step to fixing any of the problems above. Rear aircon blowing hot/ambient but not cold. Even on low the air is warm. My problem is I have no cold air from my rear top vents in my 1998 astro van. It could have problems too. Clean the ducts using a foam paintbrush. When your car's air conditioner stops working, it has a low refrigerant level.

Rear Ac Not Blowing Cold Air Through Vents

What should I check? The blower resistor regulates the flow of the air. I started her up and pulled a vacuum line near the intake manifold, and found that I had 17 inches of vacuum at idle. Remove the rear door opening weather seal. As it passes through the valve, the liquid flashes to gas thanks to the lower pressure, and also (hopefully) due to the heat in. Rear A/C not as cold. On the right side of the dash there is a switch that controls the fan speed, and whether one will get AC or heat in the rear. The air compressor is the heart of your car's air conditioning system.

Remove second row safety belt lower nuts. I'm doing the GM equivalent right now to my wife's Enclave, replacing the expansion valve, cleaning orifice tubes, and replacing the dessicant. You still have enough gas in the system to run at least the rear system, and some of that should be going through the front... So I took the cover off the rear unit (bottom right-hand side when standing at the rear) and see that the white control/actuator rod moves up and down when I adjust the temperature control. Rear ac not blowing cold air through vents. During your diagnosis, if you have found leaks into the hose, seal it. Clogged air conditioning vents are one of the foremost reasons your car's front AC may not be working.

The front controls all work good, hot and cold, defrost etc. A friend's Pilot behaved the same way. What I haven't done: >- - I just saw an earlier post with resistance values across the outside. However, if the cooling fan is the real issue, kindly get a new replacement in order to rectify the problem immediately. The condenser receives proper cooling from the fan to convert the high-pressure gas it receives from the compressor into liquid. However, let's consider one aspect of the problem, which is the common reason why a car's front AC fails to work. Just connect the blower motor to a 12V battery with the help of an alligator clip test cable. Lift trim covers off of second row safety belt anchors on B pillars. If you work on other areas like cleaning the vents, topping off the refrigerants, etc., and you have a blown fuse, the AC will not work. So, be attentive to these possible causes, which are listed below: Low Refrigerant.

UPDATE UPDATE: Took it in and they did an "A/C refrigerant recovery and charging" in the summary they state that the ac system was empty of Freon. The cost of fixing the problem with a car's HVAC system where the front AC is not working is estimated to be around $100 – $900. In this Car AC troubleshooting guide, we will break down each of the problems to let the front AC work properly. One of such malfunction is the impact it has on the air conditioner's ability to cool properly. It can be turned on all the time while driving your Dodge Durango. Probably the dealership was in a rush to get us the car since it just came off the truck and forgot about it. IF one wants a free bypass, I temporarily stripped about 3/4 inch of plastic insulation off of some 16 or 18 guage wire.

This year it is blowing out the roof vents, but the air is ambient. They regulate the vent door and provide the desired temperature you need by mixing the hot air with the cold air. When I held my thumb over the opening to the black hose, the front vents worked properly again. The expansion valve is a little metering valve that bleeds liquid into the evaporator. So, we hope you can fix that issue by following those troubleshooting steps. Big assumption but let's go with it for a minute. The front system works fine across cold, ambient and hot. He recharged the system and its been working fine. Generally, you can find the blower motor under the glovebox.