Why does my Dakota only blow out the defrost vents?

Just picked up a 99 dakota r/t and i’m only getting the heat/ac to blow out the defrost vents up on the dash for the windshield. Can’t get anything out of any other vent.

Why is the radiator fan on my Dodge Pu not working?

I have had my 2004 Dodge PU now for 4 days. Radiator fan went out and had to replace. Then the wipers quit. After much troubleshooting found that the fuse for the electric locks (Which I don’t have) caused the wipers to not work. While trouble shooting the wiper problem I disconnected the battery.

Why are the vents on my heater blowing out?

From the rear of the engine, through a reducer that brings it down to a small plastic line (could be mistaken for a wire), that passes through the firewall where the heater hoses pass through. Because of multiple connections, it’s relatively hidden position, and prolonged exposure to heat and becoming brittle, this little guy falls off easily.

Why is my Dodge Dakota air not working?

2004 dodge Dakota air or heat not blowing?My air just stopped blowing it truck. It will not blow when I switch it to heat either. I noticed I was low on coolant so I added some, it started working just fine and worked for about an hour then stopped again.

Why does my Dodge Dakota only blow out defrost vents?

97 Dakota all of a sudden started only blowing out the defrost vents on all position settings. Anyone have a vacuum diagram or suggestions on how to track this down?

Where can I get new HVAC hoses for my Dodge Dakota?

You can get a new set of hoses for HVAC from dealer (will be color coded). I have a 2002 Dodge Dakota – 3.9 L and in June of 2007 I had only air coming out of my defrost vents, so I had the vent control motor replaced and it was working great, until about a week ago now the air is only coming out of my defrost vents again.

Why does my AC blow out the defrost vents?

If cruise is on and ac is on any setting, and the engine is working hard, the ac blows only out the defrost. Was much worse before I checked and plugged in fittings tighter at the unit close to firewall, so I still have a little vacuum leak or my engines just getting loose.

Is the Dodge Dakota air conditioner factory affiliated?

IT MIGHT NOT BE THE WAY THE FACTORY WOULD ADVISE YOU TO FIX IT, BUT TI’S VERY INEXPENSIVE AND IT DOES WORK This site is in no way affiliated with Chrysler or any of its subsidiaries.

Why does AC stop blowing out the defrost vents?

After installing a new blower fan motor the ac would only come out the defrost vents. The factory vacuum check valve is very hard to get to. So i bypassed it. Now it is working like it should and ac comes out the dash vents. I do not have a vacuum reservoir installed i will have to see if i will need to add it later.

IT MIGHT NOT BE THE WAY THE FACTORY WOULD ADVISE YOU TO FIX IT, BUT TI’S VERY INEXPENSIVE AND IT DOES WORK This site is in no way affiliated with Chrysler or any of its subsidiaries.

Where does vacumn go in a defrost heater?

Where are the actuators for the defrost vents?

There are three actuators. All three appear to be dual action i.e. have two vacuum hoses going to each. The Yellow/Blue one is located near the accelerator pedal. It is for the Floor/Defrost. There is one near the passenger door.

Is there any room in the defrost vent?

There is not much room even after removing the plastic floor extension and pulling down the cloth hose that goes up to the defrost accessible after removing three knob heater control panel….

What causes air vents to stay in defrost position?

If you have an older car then the defroster system is controlled by using vacuum supplied by the engine. Lift the hood and inspect the vacuum hose or tube that leads from the intake manifold to the passenger’s side firewall. The image below shows a typical line break which causes the vents to stay in the defrost position.

Why is my heat vent blowing out air?

The third, and of course hardest to get at, is above the First one, has Red and Brown hoses going to it and is for the panel/defrost. This is the one causing pains if your not getting main panel air, I believe.

Where does vacumn go in a 2000 Dakota?

The vacumn connectors go to the heater/defrost/a/c controls on the panel. mode selector on the dash is not supplying vacumn to the door actuator. Not on mine. Does not come out anywhere but the defrost vents. Same situation. I have obtained a vacuum diagram for a 2000 dakota. There are three actuators.

Just picked up a 99 dakota r/t and i’m only getting the heat/ac to blow out the defrost vents up on the dash for the windshield. Can’t get anything out of any other vent.

What to do if your Dodge Dakota heater stops working?

If the heater has stopped working in your Dakota, this process has failed in one way or another. A word of caution: If there is no coolant in your overflow, you can refill it by adding more to the overflow reservoir.

What does the thermostat on a Dodge Dakota do?

Some vehicles only have full hot. Never touch the radiator cap unless the vehicle is ICE COLD. The job of your Dakota’s thermostat is to regulate the temperature of the engine. It does this by allowing water to enter the engine when it is getting hot, and by keeping coolant from entering while the vehicle warms up.

Why is my Acura MDX heater not working?

At the simplest level, there are two main reasons why the heater is not working. If it’s not coming on at all, it’s usually either the blower motor or some other wiring issue. If the heat is blowing, but blowing cold, it has something to do with the coolant getting to the heater core, or the heater core itself.

Why is there no air coming out of the vents?

If this filter becomes clogged due to lack maintenance it will stop or slow the flow of air exiting the vents. To check this filter locate the filter housing which can be either under the dash on the passenger side or under the hood of the car, near the base of the windshield on the passenger side, remove the cabin air filter and inspect.

How do I stop no air from dashboard vents?

This door is controlled by a thumb wheel that when activated will open and close the vent air flow door. Work the thumb wheel from one side to the other while checking the airflow. The flow should stop and start again, if the thumb wheel does not make a difference the problem is somewhere else.

Where are the actuators on a 2000 Dakota?

I have obtained a vacuum diagram for a 2000 dakota. There are three actuators. All three appear to be dual action i.e. have two vacuum hoses going to each. The Yellow/Blue one is located near the accelerator pedal. It is for the Floor/Defrost.

What to do when your defrost vents blow out?

1. Get yerself a AC recharge kit with a refridgerant pressure guage. 2. Find the low pressure valve on the refrigerant suction line 3. Snap on the quick connect and run the AC. 4. Read the pressure guage..if under 35 to 40 psi….get a can or two

There is not much room even after removing the plastic floor extension and pulling down the cloth hose that goes up to the defrost accessible after removing three knob heater control panel….

How long does it take to troubleshoot a Dakota brake problem?

Troubleshooting a Dakota brake problem can take the average backyard mechanic about a half hour to complete. Check the fluid for color and level by uncapping the master cylinder on the driver’s side firewall, inside the engine compartment.

How does the climate system control the defroster?

The climate system is responsible for controlling the position of the defroster actuator which is connected to the air position door in the heater plenum. This actuator controls defrost, middle and lower air vents. When it fails it can do so in the defrost position and must be replaced.

How does the air vent work on a defroster?

The vent control system for the defroster in integrated into the operation of all temperature controls and uses forced air provided by the blower motor. On newer cars the vent direction and temperature controls are operated by a series of 3 or 4 electrical actuator motors which are adjusted by the climate control module.

Where is the AC controler on a Dodge Dakota?

PULL THE AC.CONTROLER OUT OF THE DASH ON THE BACK YOU’LL FIND A BUNCH OF COLORED VAC. LINES.

Where does the hot air from the AC come from?

Hot air comes from the vents when the AC is off due to ducting “gains” (heat we are talking about). Your HVAC ducts are likely a big snake across warm components, around a heat exchanger and very close to it.

Why does my car AC vent blow hot air when driving even?

Hot water is always present when the motor is running. There will always be some heat in the radiator/heat exchanger. When the heat is on there is hot water flowing but even off there will be some conduction in the water. If you are feel a significant amount of heat and it outside vent is closed, you might have a leaky heating valve.

How to remove the musty smell from the air vents of a Dodge?

Turn the engine off. Move to the bucket of soapy water and thoroughly clean the air vents with a clean rag. Use an old tooth brush to clean the corners of the vents and to remove any hard to remove stains. Also clean the vent brackets inside of the cab with a soapy rag. Dry the vents and the vent brackets off with a clean rag.

Why do I Smell exhaust inside the cabin of my car?

The smoke will lead you right to the leak. The exhaust should exit only out of the tail pipe, far away from the fresh air intake and the interior of the car. xpda has a very good answer. I would augment it with an additional caution: carbon monoxide effects are cumulative, they don’t go away very quickly once you are in fresh air…

What are the symptoms of a bad cabin air filter?

Usually a dirty cabin air filter will produce a few symptoms that can notify the driver that attention may be required. The most common symptom associated with a bad cabin air filter is poor air flow from the vehicle’s interior vents.

Why does my a / C switch from Defrost to vent mode?

The A/C system switches from vent to defrost mode under engine load (going uphill or overtaking another car). It is caused by a vacuum leak and as far as I’ve seen most of us had the same problem a loose red hose, here are some pictures of where to start looking first.

Why does my car have no air in the vents?

Step 3 – A fan blower motor is controlled by either a switch in the passenger compartment or by a computer. If this fan motor is starting to fail it will cause the fan motor to run at a lower speed resulting in low air flow. To test this condition an amp meter is needed, connect the meter lead to the power wire of the fan motor.

Why does my HVAC only blow air through the defrost vents?

I can only get my HVAC to blow air through the defrost vents no matter what setting I put it on (the heat and a/c work, just only comes out the top of the dash). From my searches I have found that it is probably due to a defective mode door actuator.

What to do if your HVAC mode door actuator is disconnected?

Check the small vacuum line that runs through the firewall directly under the heater core hoses. If it is disconnected you will only get air through the defrost vents Click to expand…

Why is my defroster not working on my car?

A control switch on the dash can fall apart allowing the vacuum to escape and not reach the servos. A defroster can also fade when traveling up a hill but then return once the grade is overcome which is a signal the vacuum check valve has failed.

Why does my Dakota only blow out the defrost vents?