Chrysler 300 Engine Cooling Fan Assembly Guide (2005-2015)
Keep your Chrysler 300's engine from overheating by understanding and replacing a faulty cooling fan assembly.
- Overheating at idle is the #1 sign of a bad cooling fan on a Chrysler 300.
- A faulty fan will also cause your A/C to blow warm air when you're not moving.
- Check fuses and relays first, but the entire assembly often needs replacement, especially if the low-speed function fails.
- Quality aftermarket brands like Dorman and Four Seasons offer a reliable fix for much less than OEM parts.
Is Your Chrysler 300 Overheating at Idle?
One of the most common signs of a failing cooling fan in a Chrysler 300 is the temperature gauge climbing high when you're stopped in traffic, but returning to normal once you start moving at speed. This happens because the fan isn't pulling enough air through the radiator when there's no natural airflow from driving. Other clear symptoms include the air conditioning not blowing cold air (especially at a standstill), a loud whining or grinding noise from the engine bay, or the fan not turning on at all when the engine is hot. In some cases, you might even smell burning plastic if a fan motor has seized and is smoking.
🎬 Watch a breakdown of the top symptoms of a bad fan.Known Issues & Recalls
While no major recalls specifically target the 2005-2015 Chrysler 300's cooling fan assembly itself, Chrysler has issued recalls for other models due to overheating electrical circuits for the radiator fan. Some owners of 2011-2014 models with the 3.6L engine have also experienced alternator failures, which can affect the entire electrical system, including the fan. Additionally, a common failure point on these fans is the integrated resistor for the low-speed setting; when it burns out, the fan will only run on high speed, which is often loud and a sign of impending failure. Unfortunately, this resistor is typically not replaceable on its own, requiring a full assembly replacement.
Choosing the Right Aftermarket Fan Assembly
When replacing the cooling fan assembly on your Chrysler 300, you don't need to pay high dealership prices for an OEM part. Quality aftermarket brands offer reliable performance at a much better value. Aftermarket assemblies are designed to be direct-fit replacements, making installation straightforward.
- Value Tier (Good): Brands like Global Parts or Skyward offer a budget-friendly solution. These are a good choice if you need to get your car back on the road without a large investment. They meet basic requirements and are a significant step up from a non-functioning fan.
- Mid-Tier (Better): Four Seasons is a well-known brand in the cooling and HVAC space. Their assemblies are built to be dependable for daily driving conditions and are a popular choice for a balance of price and quality.
- Quality Tier (Best Value): Dorman is a reputable brand known for producing parts that fit and function like the original. While some online forums show mixed reviews on long-term durability for certain parts, Dorman products for the Chrysler 300 are generally considered a solid choice and often come with a good warranty.
Pro Tip: Before you buy, confirm your engine size (2.7L, 3.5L, 3.6L, 5.7L, 6.1L, or 6.4L) and check if your vehicle has a single or dual fan setup. While many parts fit a wide range of years, there can be differences, especially between the first generation (2005-2010) 🎬 See how to replace the dual fan assembly on older models. and the second generation (2011-2015). Always match the part to your specific vehicle.
Cost of Replacing a Chrysler 300 Cooling Fan Assembly
The cost can vary based on the brand you choose and labor rates in your area. Doing the replacement yourself can save a significant amount on labor.
| Part/Service | Estimated Cost |
|---|---|
| New OEM Part | $450 - $775 |
| New Aftermarket Part | $112.95 - $674.61 |
| Shop Labor | $61 - $141 |
| Total Professional Replacement (Aftermarket) | $174 - $816 |
Frequently Asked Questions
Can I just replace the fan motor instead of the whole assembly?
While it's sometimes possible, it is generally not recommended. The fan blades, motor, and shroud are designed to work together. Often, the cost of a single motor is not much less than a complete aftermarket assembly, and replacing the whole unit ensures all components are new and balanced, preventing vibration and premature wear.
How difficult is it to replace the fan assembly myself?
For a DIYer with basic tools, this is a manageable job. The process typically involves draining some coolant, disconnecting the upper radiator hose, unplugging the electrical connector, removing a few bolts, and lifting the assembly out. It usually takes about 1-2 hours. 🎬 Follow this step-by-step guide for 2011-2015 Chrysler 300 fan replacement. However, always be careful when working with the cooling system, as hot coolant can cause severe burns.
How do I test my current cooling fan?
A simple test is to start your car and turn the air conditioning on high. The cooling fan should kick on within a few seconds. If it doesn't, the next step is to check the fuses and relays associated with the cooling fan, which are located in the fuse box in the engine bay. If the fuses and relays are good, the problem is likely the fan motor or the wiring to it.
Will a bad cooling fan trigger a Check Engine Light?
Yes, a malfunctioning cooling fan can trigger the Check Engine Light. Your vehicle's computer (PCM) monitors the fan circuit. If it detects a problem, such as an open or shorted circuit, it will store a diagnostic trouble code (DTC). Common codes for this issue include P0480 (Fan 1 Control Circuit) and P0481 (Fan 2 Control Circuit).
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Technical Specifications
OEM Part Numbers: 5137733AD 68050280AA 68050280AB 5170744AB CH3115135
The assembly includes the fan motor(s), fan blade(s), and shroud. Most 2005-2015 Chrysler 300 models use a dual fan setup, but always verify the specific configuration for your vehicle's engine and year. The electrical connection is a key point of verification.
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The information in this article is provided for general reference and educational purposes only. Vehicle specifications, procedures, and part compatibility can vary by production date, trim level, and region. Always consult your vehicle's factory service manual and verify part numbers before purchasing or performing repairs. Safety-critical components such as airbags, seat belts, and braking systems should be installed by a qualified professional.
- Chrysler 300: