How to replace the fuel filter on a 1970 Chevrolet Chevelle SS 454?

Content verified by Michael G.
July 18, 2025
Discover how to swap out the fuel filter on your 1970 Chevrolet Chevelle SS 454 with our easy-to-follow guide. Keep your classic ride in top shape with our expert tips.

Replacing the fuel filter on a 1970 Chevrolet Chevelle SS 454 is a crucial maintenance task that ensures your classic muscle car continues to run smoothly and efficiently. A clogged fuel filter can restrict fuel flow to the engine, causing poor performance, stalling, or even damaging the engine over time. If you notice your Chevelle running roughly or losing power, it might be time to replace the fuel filter. Here is how to solve this issue:

Step 1: Ensure Safety First

Before you start, make sure the engine is cool to avoid burns or injuries. Park the car on a flat surface, engage the parking brake, and disconnect the negative battery terminal to prevent any electrical shorts or sparks. Have a fire extinguisher nearby as a precaution.

Step 2: Locate the Fuel Filter

On a 1970 Chevrolet Chevelle SS 454, the fuel filter is typically found along the fuel line between the fuel pump and the carburetor. Open the hood and look at the passenger side, near the front of the engine bay. You'll find the fuel line running to the carburetor, which sits atop the engine.

Step 3: Relieve Fuel Pressure

To avoid fuel spills, relieve the pressure in the fuel system. Loosen the gas cap to release any built-up pressure in the tank.

Step 4: Disconnect the Fuel Lines

Using a wrench, carefully loosen the fittings that connect the fuel filter to the fuel lines. Have a rag or small container ready to catch any fuel that may spill out when you disconnect the lines.

Step 5: Remove the Old Fuel Filter

Once the fuel lines are disconnected, take note of the filter’s direction. Most filters have an arrow indicating the direction of fuel flow. Remove the old fuel filter from its bracket or mounting location.

Step 6: Install the New Fuel Filter

Position the new fuel filter in the same orientation as the old one, ensuring the arrow is pointing in the direction of the fuel flow (from the fuel pump towards the carburetor). Attach and tighten the fuel lines to the new filter using the wrench.

Step 7: Check for Leaks

After installing the new filter, double-check all connections to ensure they are secure. Reconnect the negative battery terminal. Start the engine and let it idle for a few minutes while you visually inspect the fuel filter and lines for any signs of leakage.

Step 8: Reassemble and Test Drive

Once you confirm there are no leaks, close the hood and take your Chevelle for a short test drive. Pay attention to how the car runs, and you should notice an improvement in performance if the old filter was clogged.

Replacing the fuel filter on your 1970 Chevrolet Chevelle SS 454 is a straightforward task that can greatly enhance your vehicle's performance and longevity. By following these detailed steps, you can ensure that your classic car receives a steady, clean supply of fuel.

Still Struggling? Sign Up to Ask a Car Expert and Get a Consultation—For Free!

Join Our Community & Get Instant Access to Expert-Verified Repair Guides

What our members say

Discover how AutoFame.com has empowered fellow car enthusiasts—from weekend DIY mechanics to seasoned collectors—to document, restore, and celebrate their automotive stories like never before.

Stars - Elements Webflow Library - BRIX Templates

"AutoFame.com took my collection’s documentation to the next level. Before, I had scattered notes and old photos in boxes—now everything’s organized and accessible in one place. The AI-driven narratives also helped me craft a fascinating story around my ‘67 Mustang’s history that I proudly share at shows!"

Mark R., Classic Car Collector

Member since Dec'24
Stars - Elements Webflow Library - BRIX Templates

"I’m not a professional mechanic, but I love working on my car. AutoFame.com’s step-by-step guides and community forums gave me the confidence to tackle issues on my own. Last month, I fixed a stubborn headlight alignment problem in minutes. It’s like having a trusted car expert on speed dial."

Martin K., Weekend DIY Mechanic

Member since Sep'24
Stars - Elements Webflow Library - BRIX Templates

"AutoFame.com’s AI-driven insights blew me away. It automatically pulled up detailed specs and historical data on my BMW M3, and even composed a compelling narrative for my show board. When I shared it at a local event, everyone wanted to know how I put it together. AutoFame.com made me look like a pro!"

Alex M., Performance Enthusiast

Member since Sep'24
Stars - Elements Webflow Library - BRIX Templates

"I’ve been restoring my grandfather’s old Chevy pickup, and AutoFame.com has been a lifesaver. The vast data access helped me confirm original specs, and the documentation tools ensure I never lose track of my progress. My project went from chaotic guesswork to a well-organized, enjoyable journey."

Clara J., Restoration Hobbyist

Member since Jun'24
Stars - Elements Webflow Library - BRIX Templates

"AutoFame.com isn’t just about data—it’s about community. I run a local car club, and we’ve started using their event listings and forums to keep everyone updated. Our members love how easy it is to share photos, ask questions, and discover new shows. It’s brought our club closer together and boosted our turnout!

Trevor S., Car Club Organizer

Member since Jan'24
Icon - Elements Webflow Library - BRIX Templates
Icon - Elements Webflow Library - BRIX Templates

Classic cars have appreciated 185%

That's just over the last decade according to the night Franks Luxury Investment Index, making it the best-performing asset class of any other type of collectible. AutoFame.com was developed to take your car collection and preservation the extra mile with a growing list of innovative features.

AI-Driven Insights and Narratives

Utilize cutting-edge AI to discover fascinating facts about your car and compose engaging, descriptive narratives that highlight its unique story.

Extensive Data Access

Access vast datasets to populate your car’s specifications, title history, and more, ensuring your records are detailed and accurate.

Comprehensive Documentation

Document key aspects of your car’s history, maintenance, restoration, customization, and performance. Preserve every detail that makes your car special.

Multimedia Cloud Storage

Store photos, videos, and records of awards or special recognition, creating a rich, visual history of your vehicle.

Community Engagement

Join group forums and participate in event postings to connect with fellow car enthusiasts and build a supportive community.

Privacy and Sharing Control

Enjoy complete control over your privacy and sharing settings. Share your car’s legacy through a searchable gallery or on social media platforms with ease.

Mobile-Friendly Platform

Our mobile-friendly platform makes it easy to document and share your car’s legacy anytime, anywhere.

Value Creation

Discover, preserve, and share the legacy of your precious automotive assets to increase their appeal and value.