A Guide to the 2016-2020 Chevrolet Corvette Transmission Filter Kit
Keep your C7 Corvette's 8-speed automatic transmission shifting smoothly with the right filter.
- If you feel a shudder, reference TSB 18-NA-355; the fix involves a fluid flush and a new filter.
- Using the correct, updated Mobil 1 synthetic transmission fluid is critical for the 8L90 transmission's health.
- A quality aftermarket filter like Premium Guard is a viable option, but OEM (ACDelco) is the safest bet due to known transmission sensitivities.
- Replacement is a moderately difficult DIY job; it requires dropping the transmission pan and a specific fluid level check procedure.
Understanding Your Corvette's Transmission Filter
The automatic transmission in your 2016-2020 C7 Corvette is a complex and high-performance piece of machinery. The transmission filter's job is simple but vital: keep the fluid clean. As the transmission operates, small particles of metal and clutch material can break off. The filter catches this debris, preventing it from circulating and damaging the transmission's delicate internal components. A clean filter ensures proper fluid flow, which is necessary for smooth shifting and proper cooling.
Known Issue: The 'Corvette Shudder'
Many 2016-2019 Corvettes with the 8L90 8-speed automatic transmission have a known issue that causes a shake or shudder during light acceleration. This can feel like driving over rumble strips. GM has issued Technical Service Bulletin (TSB) 18-NA-355 to address this. The fix typically involves a multi-step fluid flush and replacement with an updated Mobil 1 Synthetic LV ATF HP fluid. A transmission filter replacement is a required part of this service to ensure all old, contaminated fluid and debris are removed from the system.
🎬 See how a professional technician services the 8L90 transmission.Choosing the Right Aftermarket Filter
When it's time to service your transmission, you have a choice between Original Equipment Manufacturer (OEM) and aftermarket parts.
- OEM (ACDelco): This is the part your Corvette was built with. Given the sensitivity of the 8L90 transmission and the known shudder issue, many owners and mechanics prefer the OEM filter to ensure compatibility and avoid potential warranty concerns.
- Aftermarket (Premium Guard): A quality aftermarket brand like Premium Guard designs its filters to meet or exceed OEM specifications. These kits can offer a better value and often come complete with the necessary pan gasket for installation. For a Corvette, ensure the aftermarket filter is from a reputable brand that guarantees its performance and fit.
Pro Tip: Regardless of which filter you choose, the most important factor for the 8L90 transmission is using the correct, updated transmission fluid recommended by GM to prevent shudder issues.
| Part Type | Estimated Cost |
|---|---|
| New OEM (ACDelco) | $100 - $300 |
| New Aftermarket (Premium Guard) | $104.10 |
| Shop Labor | $191 - $311 |
Frequently Asked Questions (FAQ)
How often should I change my Corvette's transmission filter?
General Motors recommends changing the transmission fluid and filter based on mileage or time. For the C7 generation, a transmission service is often recommended around 45,000 miles for severe service conditions. However, if you experience any shudder or shifting problems, it should be inspected and likely replaced immediately, regardless of mileage.
Can I change the transmission filter myself?
For an experienced DIY mechanic, this is a feasible job. It requires safely lifting the vehicle, removing the transmission pan, replacing the filter and gasket, and refilling with fluid to the correct level at a specific temperature. It can be messy and requires specific tools, including a scan tool to monitor transmission fluid temperature. For many, professional installation is the preferred route.
🎬 Watch a step-by-step 8L90 fluid and filter change tutorial.What are the signs of a clogged transmission filter?
Common symptoms include delayed or harsh shifting, a whining or rattling noise from the transmission, a burning smell, or visible fluid leaks under the car. You might also notice the car struggling to accelerate or shifting gears erratically.
🎬 Learn more about the main signs of a clogged filter.Will an aftermarket filter void my Corvette's warranty?
No. By law (Magnuson-Moss Warranty Act), a manufacturer cannot void your warranty simply because you used an aftermarket part. They must prove that the aftermarket part caused the failure. However, to be safe, use high-quality aftermarket parts that meet or exceed OEM specifications and keep detailed service records.
Helpful Videos
Technical Specifications
OEM Part Numbers: 24282258 24279458
Fits 2016-2020 Chevrolet Corvette models with the 8L90 8-speed automatic transmission. Kit typically includes the filter and pan gasket.
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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.
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