AHG Auto Service » Make » Dodge » Why does my Dodge Journey have no heat?

Why does my Dodge Journey have no heat?

Possible Causes of No Heat in Dodge Journey
There can be several reasons why your Dodge Journey is not producing heat. Here are some possible causes based on the search results:
1. Coolant System Issues: A failing auxiliary water pump or a clogged hose going from the reservoir to the radiator can affect the circulation of coolant, which is necessary for heat production in the vehicle .
2. Heater Core Problems: Issues with the heater core, such as a clog or malfunction, can prevent the proper transfer of heat to the cabin .
3. Blend Door Actuator Failure: The Dodge Journey has multiple blend door actuators, and if one of them malfunctions, it can result in heat distribution issues, such as heat only working on the driver’s side and not the passenger side .
4. Climate Control System Malfunction: Problems with the climate control system, such as faulty controls or sensors, can lead to inconsistent heat output.
5. Low Coolant Level: Insufficient coolant in the system can prevent the proper functioning of the heater core and result in a lack of heat.
6. Other Factors: Other factors, such as electrical issues, faulty components, or wiring problems, could also contribute to the lack of heat in your Dodge Journey.
Steps to Diagnose and Resolve the Issue
Since there can be multiple causes for the lack of heat in your Dodge Journey, it is recommended to follow these steps to diagnose and resolve the issue:
1. Check Coolant Level: Ensure that the coolant level in your vehicle is sufficient. If it is low, refill it to the appropriate level.
2. Inspect Coolant System: Check for any signs of leaks, clogs, or other issues in the coolant system. If you notice any problems, it is advisable to have a professional mechanic inspect and repair the system.
3. Verify Heater Core Functionality: If the coolant system is functioning properly, but you still have insufficient heat, it may be necessary to inspect the heater core for any clogs or malfunctions. A professional mechanic can perform a thorough inspection and repair if needed.
4. Check Blend Door Actuators: If the heat is only working on one side of the cabin, it is possible that a blend door actuator has failed. A mechanic can diagnose the issue and replace the faulty actuator if necessary.
5. Inspect Climate Control System: If the above steps do not resolve the issue, it may be necessary to have the climate control system inspected. A professional mechanic can diagnose any faults in the system and repair or replace the necessary components.
It is important to note that these steps are general recommendations, and it is always best to consult with a qualified mechanic or dealership for an accurate diagnosis and appropriate repairs for your specific Dodge Journey model.
I hope this information helps you diagnose and resolve the issue with your Dodge Journey’s lack of heat.

Why is my heat on but the vents blowing cold air?

It could be as simple as making sure that your filters and fan blades are cleaned properly or making sure that there is no improper duct sizing or high static pressure. In the end, you might have to have your limit switch replaced. The third reason could be due to a faulty fan or motor.

Why is my heat blowing cold air?

Common Reasons For Furnaces Blowing Cold Air:
Your Thermostat is Set Incorrectly. The Furnace Filter is Dirty. Your Furnace Has Overheated. The Condensate Line is Clogged.

Why isn t heat coming out of my car vents when heat is on?

If the heater isn’t blowing hot air at you when you turn the system on, the blower fan might have a problem. Either it’s not getting electrical power or, more likely, the motor itself has simply burned out. A blower motor in an older vehicle is likely to burn out over time, and may need replacement.

Why is my heating not coming on in my car?

If the heating system isn’t working at all (no hot or cold air is being blown into the car), this is likely due to a faulty blower motor or an issue stopping power from reaching the blower motor, but that’s not the only possible reason. In general, car heater issues can be caused by the following: Low antifreeze.

Is there a fuse for the heater in my car?

This is normally in the main fusebox although it may be an in-line fuse wired into the feed of the motor itself. Check in your workshop manual to find the exact position of the fuse. If it protects other circuits and these have stopped working too, then the problem should be solved by fitting a new fuse.

Why is cold air blowing out of my vents when the heat is on?

The heat exchanger uses coils to transfer heat from the ignited gas to the air. When cold air blows from a furnace the heat exchanger, furnace burner, or exhaust are likely the cause. This may be due to dirty components, broken parts, or the many safety mechanisms within the gas system.

What would cause heat to stop working in car?

In 90% of the cases, car heater problems are the result of one of the following reasons: The heater switching system might be faulty. The cabin air filter might be choked, restricting the airflow through the heater core. The thermostat valve might not be working right.

How do you fix your heater when it’s blowing out cold air?

Check Furnace Air Filter
A dirty air filter hinders air movement through the furnace. This raises temperatures inside the furnace, and the limit switch shuts heating cycles down if the unit becomes too hot. If you have a dirty filter, replacing the filter typically stops cold air from blowing.

Why is my car not blowing hot air on heat?

Low coolant: Whether caused by a leak or water evaporation, low coolant is the most common source of poor heater output. Thermostat: A stuck-open thermostat prevents the engine (and coolant) from heating up. Heater core: A clogged heater core restricts coolant flow, giving up little or no heat.

Why is my heater blowing cold air?

Common Reasons For Furnaces Blowing Cold Air:
Your Thermostat is Set Incorrectly. The Furnace Filter is Dirty. Your Furnace Has Overheated. The Condensate Line is Clogged.

AHG Auto Service

At AHG, we are committed to always providing our Perth customers with the best service and benefits when it comes to their vehicle servicing and repair needs. We have over 30 passenger and commercial vehicle dealerships in WA and can handle all of your car servicing needs no matter the make or model.

Leave a Comment