How to Properly Maintain and Service a Supercharger on a Dodge Charger SRT Hellcat?

As owners of the Dodge Charger SRT Hellcat, you might be basking in the glory of possessing a vehicle that represents the pinnacle of performance in the Dodge lineup. No doubt, the raw power and monstrous speed that your Charger delivers can leave many automotive enthusiasts green with envy. However, to ensure that your Hellcat continues to purr with the same intensity, it is vital to understand the maintenance needs of its heart – the supercharger.

Understanding the Importance of the Supercharger

A supercharger, similar to a city’s powerhouse, is the heart of your Dodge Charger SRT Hellcat’s engine’s performance. The supercharger is a specialized type of air compressor that significantly increases the pressure or density of air supplied to the internal combustion engine. This surge of air into the engine’s combustion chamber results in more fuel being combusted per cycle, thus boosting the power output of the engine.

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Just as the city won’t function efficiently without a properly maintained powerhouse, a Hellcat can’t deliver its renowned performance without a well-serviced supercharger. Thus, maintaining and servicing the supercharger is crucial for the long-term health and performance of your vehicle.

Regular Supercharger Oil Changes

Just like a country depends on its oil reserves, your Hellcat’s supercharger depends on its oil for smooth, efficient performance. The oil in the supercharger lubricates the gear system and the bearings, reducing friction and helping to maintain the supercharger’s optimal function.

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The vehicle manufacturer recommends changing the supercharger oil every 36,000 miles or as advised by your service center. Failing to change the oil can lead to increased friction, heat, and potential damage to the supercharger. Regular oil changes will keep your Hellcat roaring with power and continue to be the showstopper on the open road that it was designed to be.

Checking the Supercharger Belt

Like a member of a thread tightly interwoven and functioning harmoniously, the supercharger belt plays a critical role in the overall performance of the Hellcat. The belt is responsible for driving the supercharger, and any damage or wear to the belt can result in a loss of engine performance.

Regularly inspect the supercharger belt for signs of wear, cracks, or fraying. If you notice the belt is loose, it is necessary to tighten it. A loose belt can lead to slippage, affecting the performance of the supercharger and, consequently, the vehicle.

Inspecting the Supercharger for Leaks

Just as a ship will sink if its hull is compromised, a supercharger will fail if it develops leaks. A supercharger leak can result in decreased performance and increased fuel consumption. You must inspect the supercharger periodically for any signs of oil or air leaks.

If you notice oil leaks or hear a whining noise from the supercharger, it’s time to visit your service center. Remember, catching leaks early can save you from more severe problems down the road.

Regular Performance Checks

The Dodge Charger SRT Hellcat is a performance-oriented vehicle, and the supercharger is a significant contributor to that. Regular performance checks will help identify any potential problems with the supercharger before they escalate.

Listen for any unusual noises from the supercharger. A whining sound is normal, but if you hear rattling or grinding noises, it indicates a problem. Also, if you notice a decrease in acceleration, fuel efficiency, or power, it may be time to have your supercharger inspected by a professional.

Using Quality Fuel

The type of fuel used in your vehicle plays a crucial role in the performance and durability of your supercharger. High-quality fuel will maintain the overall health of your engine and supercharger, ensuring they function efficiently.

While it may be tempting to save a few pennies at the pump, using low-quality fuel can lead to engine knocking, reduced performance, and potential damage to your supercharger. Therefore, always opt for high-octane fuel for your Hellcat to ensure its engine and supercharger perform optimally.

In conclusion, owning a high-performance vehicle such as the Dodge Charger SRT Hellcat requires a commitment not only to driving but also to maintenance. Proper upkeep of the supercharger, which is the heart of the Hellcat’s engine, is crucial to maintaining the vehicle’s performance and longevity. Regular oil changes, supercharger belt checks, leak inspections, performance checks, and using quality fuel are all essential aspects of supercharger maintenance. By following these steps, you’ll ensure that your Hellcat remains the king of the road for years to come.

Never Ignore the Warning Lights

Always pay attention to your vehicle’s warning lights. They’re designed to alert you promptly about potential issues with your vehicle’s supercharger or other vital components. Just as a city wouldn’t ignore warning signs of impending disaster, neither should you when it comes to your Hellcat.

One common warning light you might see is the "Check Engine" light. This light doesn’t necessarily mean there’s a problem with the supercharger. It could signify a myriad of issues like a loose gas cap, a failing oxygen sensor, or a malfunctioning spark plug. However, if this light comes on and stays on, make sure you take your vehicle to your service center immediately.

Another warning light to be aware of is the "Low Oil Pressure" light. This could be a sign that your supercharger is not getting the lubrication it needs to function correctly. This could lead to severe damage to the supercharger, and it should be addressed immediately.

In the same vein, if the vehicle ever goes into "Limp Mode," where the vehicle limits its speed or power output, it is a clear sign that something is seriously wrong. This can be triggered by various issues, including a malfunctioning supercharger. Similarly, if you notice a sudden drop in your vehicle’s power, it could be a sign that the supercharger is not functioning properly.

In any of these cases, take your vehicle to a professional for a thorough checkup. Ignoring these warning signs could lead to more significant problems down the road. Always remember, prevention is better than cure.

Regular Professional Inspections

Regular maintenance and care of your supercharger at home are crucial, but there is also a need for professional inspections. These inspections should take place at least once a year or as recommended by your Dodge Charger SRT Hellcat service center.

Certified technicians will thoroughly inspect your supercharger and the related components for any signs of damage or wear and tear. They have the technical know-how, specialized tools, and experience to diagnose any potential problems that you may overlook. They can also use advanced diagnostic equipment to detect any issues before they become significant problems.

Moreover, professional technicians have access to the latest information and updates from the vehicle manufacturer. They can make any necessary adjustments or replacements to ensure your supercharger continues to perform at its best.

Just like a country depends on its experts to keep its infrastructure in check, your Hellcat depends on professional inspections to ensure the supercharger’s longevity and performance.


Maintaining a high-performance vehicle like the Dodge Charger SRT Hellcat is not just a responsibility; it’s a commitment to ensuring your vehicle continues to perform at its peak. Just as a city relies on its infrastructure, or a country depends on its oil reserves, your Hellcat relies on a well-maintained supercharger.

To keep your vehicle in the best shape possible, make sure to follow the manufacturer’s guidelines for oil changes and belt checks. Watch out for any signs of leaks and attend to them promptly. Regularly listen for any unusual sounds that could indicate a problem. Always use high-quality fuel for optimum performance and longevity.

Remember to pay heed to your vehicle’s warning lights and take your vehicle in for regular professional inspections. With these tips, your supercharger, and therefore your Hellcat, will continue to deliver the exceptional performance that leaves others in the dust.

When you keep an open window to your vehicle’s needs and maintain it diligently, you will be rewarded with many years of exhilarating rides across the United States or any other state or country you find yourselves in. Those who see you passing by will be left with only their reactions and likes of envy, while you enjoy the purr of your well-maintained Hellcat’s supercharger.

As a founding member of the Hellcat owners club, share these tips and wisdom with other members. Let’s keep the roads filled with the roar of healthy Hellcats. Remember, the maintenance and care of your supercharger is not a chore; it’s a labor of love for those who truly appreciate the power and performance this vehicle delivers.