2016 Ram 3500 Is Overheating

Common Causes of Overheating in Your 2016 Ram 3500 and How to Prevent Engine Damage

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Reviewed by
Andrew Hajjar
Written by RepairPal Car Genius
Updated January 14, 2025
0%
24% chance it's the
Thermostat
0%
41% chance it's the
Coolant leak (water pump, radiator, hose etc.)
0%
32% chance it's the
Radiator Fan
0%
3% chance it's
Something else
The most common reasons a 2016 Ram 3500 is overheating are a coolant leak (water pump, radiator, hose etc.), the radiator fan, or a failed thermostat.
  • Thermostat: A faulty thermostat can cause the engine to overheat or run too cool by failing to regulate the flow of coolant properly.
  • Coolant leak (water pump, radiator, hose etc.): A coolant leak can occur due to a damaged hose, a failing water pump, or a compromised radiator, leading to loss of coolant and potential engine overheating.
  • Radiator Fan: A faulty radiator fan can lead to engine overheating due to insufficient airflow over the radiator.
Proper diagnosis will determine the exact cause of your symptom, saving you money on unnecessary repairs. The diagnostic experts at RepairPal Certified shops have the right tools and experience to solve any symptom.

What are the initial diagnostic steps to take for an overheating 2016 Ram 3500?

When tackling an overheating issue in your 2016 Ram 3500, it's essential to adopt a methodical diagnostic approach that prioritizes simpler checks before delving into more complex repairs. Start by checking the coolant level in the radiator, as low levels can significantly contribute to overheating. If the coolant is low, refill it and monitor for any leaks, which can often be identified by puddles or wet spots around hoses and connections. Next, inspect the radiator cap for any signs of wear or damage, as a faulty cap can disrupt the cooling system's pressure. Ensure that the radiator fan is operational, as a malfunctioning fan can lead to insufficient cooling. Additionally, test the thermostat to confirm it opens and closes properly; a stuck thermostat can prevent coolant circulation, causing the engine to overheat. Don't overlook the water pump, which should be checked for leaks or damage, as it plays a crucial role in coolant circulation. Finally, inspect the radiator and cooling system for any clogs that could impede coolant flow. By following these steps, you can effectively diagnose and address the overheating issue in your Ram 3500, ensuring a smoother and safer driving experience.

What are the common causes of overheating in a 2016 Ram 3500?

When diagnosing overheating issues in a 2016 Ram 3500, it's crucial to understand the common problems that can arise within the cooling system. One of the primary culprits is low coolant levels, which can occur due to evaporation or leaks, preventing the engine from receiving adequate cooling. Additionally, leaks in the cooling system, whether from the radiator, hoses, or connections, can lead to significant coolant loss, exacerbating overheating. A faulty thermostat is another frequent issue; if it fails to open or close properly, it disrupts the flow of coolant, causing the engine to overheat. Clogged radiators can also impede cooling efficiency, as debris and sediment build-up restrict coolant flow. Furthermore, issues with the cooling fan, such as a malfunctioning motor or relay, can hinder airflow, while a failing water pump may not circulate coolant effectively. By regularly inspecting these components and addressing any signs of wear or damage, DIY enthusiasts can help maintain optimal engine temperatures and prevent overheating in their Ram 3500.

How urgent is it to address the overheating issue in a 2016 Ram 3500?

Addressing the overheating issue in a 2016 Ram 3500 is of utmost urgency, as neglecting this problem can lead to severe engine damage and costly repairs. Overheating is often a symptom of underlying issues within the cooling system, such as a malfunctioning thermostat, a failing water pump, or a clogged radiator. If these symptoms are ignored, they can escalate into catastrophic engine failure, leaving you with a hefty repair bill and a vehicle that may be out of commission for an extended period. Moreover, regular maintenance and prompt repairs not only help in preventing overheating but also enhance the overall performance and longevity of your vehicle. Therefore, if you notice any signs of overheating, it is crucial to take immediate action to diagnose and resolve the issue, ensuring the reliability and safety of your Ram 3500 on the road.

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2016 Ram 3500 Overheating Causes & Solutions | RepairPal