How to Replace the Thermostat in a 2017 Dodge Journey


In this article, we will discuss the step-by-step process of replacing the thermostat in a 2017 Dodge Journey. The thermostat is an essential component of the vehicle’s cooling system, helping to regulate the engine’s temperature. If you notice issues such as the engine overheating or inconsistent temperature readings on the dashboard, it may be time to replace the thermostat. We will guide you through the process, providing clear instructions to help you successfully replace the thermostat in your Dodge Journey.

What tools and materials do I need for the job?

Before you begin the replacement process, you will need to gather the necessary tools and materials. Here’s what you will need:

  • Socket set
  • Ratchet
  • New thermostat
  • Gasket sealant
  • Coolant

Having these tools and materials on hand will ensure that you can complete the replacement job smoothly and efficiently.

How do I locate the thermostat in my Dodge Journey?

The thermostat in the 2017 Dodge Journey is located on the engine, underneath the housing. To access it, you will need to remove the air intake assembly and various other components to reach the thermostat housing. Once you have located the housing, you can begin the process of replacing the thermostat.

It is important to follow the manufacturer’s guidelines and consult the vehicle’s manual to ensure that you are working in the correct area and removing the necessary components safely.

What are the steps for replacing the thermostat?

Here are the step-by-step instructions for replacing the thermostat in your 2017 Dodge Journey:

  1. Begin by disconnecting the negative battery cable to ensure safety while working on the vehicle’s cooling system.
  2. Remove the air intake assembly to access the thermostat housing.
  3. Drain the coolant from the radiator to prevent any spills or leaks during the replacement process.
  4. Remove the thermostat housing and old thermostat from the engine.
  5. Clean the mating surfaces and apply gasket sealant to the new thermostat before securing it in place.
  6. Reassemble the thermostat housing and air intake assembly, then refill the radiator with coolant.
  7. Finally, reconnect the negative battery cable and start the engine to ensure that the new thermostat is functioning properly.

How can I tell if the thermostat needs to be replaced?

There are several signs that may indicate the need for a thermostat replacement in your Dodge Journey. These include:

  • Engine overheating
  • Inconsistent temperature readings on the dashboard
  • Low or erratic heat output from the vehicle’s heater
  • An illuminated check engine light on the dashboard

If you notice any of these symptoms, it is recommended to have your thermostat inspected and replaced if necessary to prevent further damage to the engine.


Replacing the thermostat in a 2017 Dodge Journey is a straightforward process that can be completed with the right tools and a basic understanding of the vehicle’s cooling system. By following the step-by-step instructions provided in this article, you can ensure that your Dodge Journey’s engine maintains optimal temperature levels and operates efficiently.


Q: Can I use any type of coolant for the replacement?

A: It is important to use the recommended type of coolant for your vehicle, as specified in the owner’s manual. Using the wrong type of coolant can lead to engine damage and overheating issues.

Q: How often should the thermostat be replaced in a Dodge Journey?

A: The thermostat should be inspected during regular maintenance intervals, typically every 30,000 to 50,000 miles. If any issues are detected, such as inconsistent engine temperature or overheating, the thermostat may need to be replaced sooner.

Q: Do I need to bleed the cooling system after replacing the thermostat?

A: Yes, it is important to remove any air pockets from the cooling system after replacing the thermostat. This can be done by using the bleeder valve on the radiator or following the specific bleeding procedure outlined in the vehicle’s manual.

Q: Can I replace the thermostat myself, or should I seek professional help?

A: While replacing the thermostat is a relatively simple job, if you are not comfortable working on your vehicle’s cooling system, it is best to seek professional help to ensure the replacement is done correctly.

Q: What are the risks of driving with a faulty thermostat?

A: Driving with a faulty thermostat can lead to engine overheating, potential damage to engine components, reduced fuel efficiency, and compromised performance of the vehicle’s heating system. It is important to address thermostat issues promptly to prevent further damage to the engine.


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