Dodge Ram Thermostat Problems

Dodge Ram thermostat problems are common and can be caused by a variety of factors. The most common cause is when the thermostat becomes stuck in the closed position, preventing coolant from circulating through the engine. This can lead to overheating, as well as decreased fuel efficiency and performance due to reduced engine temperature control.

Furthermore, blocked or faulty cooling fans can also contribute to thermostat failure. To diagnose these issues, it’s important that you check your vehicle’s cooling system for blockages or obstructions. Additionally, if the issue persists after removing any possible blockages then replacing the old thermostat with a new one may be necessary in order to restore proper function to your Dodge Ram’s cooling system.

Dodge Ram owners may find themselves facing thermostat problems, which can cause the engine to overheat. This is usually due to a faulty thermostat or a clogged radiator that isn’t allowing enough coolant flow. It’s important to take your vehicle to a mechanic right away if you suspect this problem so they can inspect and replace parts as necessary.

In some cases, simply replacing the thermostat is all it takes; however, other underlying issues such as low coolant levels or dirty coolant can also contribute to overheating and must be addressed before driving again.

Signs of a Faulty Thermostat in your Ram.

How Do I Know If My Dodge Ram Thermostat is Bad?

If you’re wondering whether or not your Dodge Ram has a bad thermostat, there are several ways to check. The most common symptom of a bad thermostat is an engine that runs too hot. You may also notice that the temperature gauge shows temperatures above normal when driving, or it takes longer than usual for the engine to warm up after starting it.

Other signs can include reduced fuel economy and problems with the heater and air conditioner in your vehicle. To confirm if your thermostat is indeed faulty, you should use an OBD-II scanner tool to connect directly to the car’s computer system and look at any error codes displayed on screen. If one appears related to the thermostat, then this confirms that it needs replacing.

What are the Symptoms of a Bad Thermostat?

A bad thermostat can cause a wide range of symptoms, which can vary depending on the severity of the issue. The most common symptom is when your furnace or air conditioning unit cycles frequently, running for short periods and then shutting off again before it’s had time to reach its target temperature. This can be caused by an inaccurate reading from the thermostat that always shows temperatures are higher or lower than they actually are.

Other signs include unusually high energy bills due to inefficient heating/cooling, loud noises coming from your HVAC system as it starts up and shuts down repeatedly without reaching its desired setting, inconsistent room temperatures throughout your home due to uneven distribution of hot/cold air in different areas, and strange odors like burning smells when you turn on the heat or air conditioning. If you experience any of these symptoms, contact a professional technician right away!

How Can You Tell If a Thermostat is Bad Without Removing It?

If you suspect that your thermostat is bad, there are a few steps you can take to determine if it needs to be replaced without removing it. First, check the thermostat’s power supply; make sure the batteries are not dead and that the circuit breaker has not been tripped. Next, ensure that all vents in your home are open and unobstructed so air can flow freely throughout the house.

Additionally, try adjusting the temperature on your thermostat up or down by several degrees to see if it responds properly. If these actions don’t work or if you have an older model of thermostat with no digital display screen, then you may need to remove it and replace it with a new one.

How Do You Know If Your Thermostat is Stuck Open?

If you suspect that your thermostat is stuck open, there are a few telltale signs to look out for. One of the most obvious indicators is if your engine continues to overheat even when driving at normal speeds and temperatures. This issue can be caused by the thermostat not opening up enough to allow the coolant to flow through it, resulting in an overheated engine.

Another possible sign of a stuck open thermostat is if your vehicle’s temperature gauge reads too low for an extended period of time, which could indicate that coolant isn’t being circulated as efficiently as it should be due to a malfunctioning thermostat. Finally, if you hear any strange noises coming from under your hood or notice steam exiting from underneath the radiator cap, then this may also point towards a faulty thermostat which requires attention.

Dodge Ram Thermostat Problems


Dodge Ram 1500 Thermostat Replacement

Replacing the thermostat in a Dodge Ram 1500 is an easy job that requires basic tools and only simple mechanical knowledge. The replacement process involves draining the cooling system, disconnecting several coolant hoses from the engine, removing the old thermostat housing and replacing it with a new one. It is important to use genuine OEM parts for this job as aftermarket parts may not be compatible or of sufficient quality.

Dodge Ram 1500 Thermostat Location

The thermostat on the Dodge Ram 1500 is located in the engine, near the top of the engine block. It can be accessed by removing a few bolts and then replacing them after installation of a new part. Depending on your model, you may need to remove additional components like air intakes or coolant lines to access it.

Be sure to consult your owner’s manual for instructions specific to your vehicle before attempting any repairs.

2013 Dodge Ram 1500 4.7 Thermostat Replacement

If your 2013 Dodge Ram 1500 4.7 is running hotter than normal, it may be time to replace the thermostat. Replacing the thermostat is a relatively easy job and can be done in just a few steps with basic hand tools. First, you’ll need to locate the thermostat housing which should be found near the front of the engine block on most Rams from this year.

Once located, remove any hoses or wiring connected to it before unbolting and removing the old unit. Next, install a new OE-specified thermostat into its place in reverse order of removal and reconnect all components that were removed earlier before refilling coolant levels as needed and starting up your vehicle for testing purposes.


In conclusion, it is clear that Dodge Rams can have thermostat problems. Although the cause of these issues may vary from vehicle to vehicle, common causes include low coolant levels and defective thermostats. It is important to check your coolant level regularly and get any suspicious noises checked out by a mechanic as soon as possible in order to avoid further damage.

Taking preventative measures now can help you save time and money down the road when dealing with Dodge Ram thermostat problems.


  • Zayn

    John Zayn Smith is a renowned truck enthusiast, automotive industry expert, and author. Beginning his career as a mechanic, Zayn's curiosity led him to explore all facets of the trucking world, sharing his insights through in-depth articles on His knowledge spans truck mechanics, trends, and aftermarket modifications, making him a trusted resource for both professionals and hobbyists. Outside writing and mechanics, Zayn enjoys off-roading, truck shows, and family time. Follow his work for the latest in truck-related news and tips.

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