Yes, you absolutely can use Fluid Film for rustproofing an older car, and it’s often an excellent choice. Its lanolin-based formula penetrates existing rust, halts further corrosion, and provides a protective barrier against moisture and salt, making it ideal for vehicles already showing signs of rust.
Why Fluid Film is a Great Option for Older Cars
Older cars, particularly those driven in areas with harsh winters or coastal climates, are highly susceptible to rust. The original factory rustproofing, if any, has likely degraded over time, leaving the metal vulnerable. Unlike some thicker, sealant-based rustproofing methods, Fluid Film boasts several advantages that make it particularly well-suited for older vehicles:
- Penetration: Fluid Film’s thin, almost oily consistency allows it to seep into tight spaces, cracks, and crevices where rust often begins. This is crucial for treating existing rust and preventing it from spreading.
- Self-Healing: The lanolin base of Fluid Film doesn’t dry out or crack easily. Instead, it remains pliable and self-healing, meaning minor abrasions won’t necessarily compromise the protection.
- Non-Toxic: Compared to some other rustproofing chemicals, Fluid Film is relatively non-toxic and environmentally friendly. This makes it safer to apply and less of a concern for the environment.
- Easy Application: Fluid Film can be easily applied with a spray gun, aerosol can, or even a brush, making it accessible to DIYers.
- Stops Existing Rust: Perhaps the biggest benefit for older vehicles is that Fluid Film actively stops the further progression of existing rust by cutting off the oxygen and moisture supply.
However, it’s important to understand that Fluid Film is a preventative measure and will not magically remove existing rust damage. Cars with significant structural rust may require more extensive repairs before Fluid Film can be effectively used.
Understanding the Limitations
While Fluid Film offers excellent rust protection, it’s not a perfect solution. It requires reapplication, typically annually, especially in areas with heavy road salt use. It also tends to attract dirt and dust, which can be aesthetically unappealing to some. Furthermore, Fluid Film might dissolve or soften some rubber components, so caution is advised when applying it near rubber bushings, seals, or hoses. A light application in these areas is generally okay.
Application Best Practices
Proper application is key to maximizing Fluid Film’s effectiveness. Here are some crucial steps:
- Preparation: Thoroughly clean the undercarriage of your car, removing loose rust, dirt, and debris. A pressure washer can be helpful for this step. Allow the undercarriage to dry completely before application.
- Application Technique: Apply Fluid Film evenly, paying particular attention to areas prone to rust, such as frame rails, rocker panels, wheel wells, and seams. Use a spray gun with a wand attachment to reach difficult-to-access areas. Aerosol cans are suitable for smaller areas or touch-ups.
- Ventilation: Ensure adequate ventilation during application, as Fluid Film has a distinct odor that some may find unpleasant.
- Avoid Certain Areas: Avoid spraying Fluid Film directly onto brakes, exhaust components, or electrical connections.
Fluid Film and the Environment
Fluid Film is considered a more environmentally friendly option compared to many traditional rustproofing chemicals. Its lanolin base is derived from sheep’s wool, making it a renewable resource. However, it’s still essential to dispose of used containers properly and avoid overspray.
FAQs: Addressing Common Concerns
Here are some frequently asked questions to further clarify the use of Fluid Film on older cars:
H3 What is Fluid Film made of?
Fluid Film is primarily made of lanolin, which is a natural wax derived from sheep’s wool. It also contains petroleum oils and corrosion inhibitors to enhance its protective properties.
H3 How often should I reapply Fluid Film?
Typically, annual reapplication is recommended, especially in areas with heavy road salt use. However, you may need to reapply more frequently in areas that experience a lot of abrasion. Inspect the undercarriage regularly and reapply as needed.
H3 Will Fluid Film stop rust that’s already present?
Yes, Fluid Film will halt the progression of existing rust by creating a barrier that prevents oxygen and moisture from reaching the metal. It won’t remove the rust, but it will prevent it from spreading.
H3 Can I apply Fluid Film over existing rustproofing?
It’s generally best to remove loose or flaking existing rustproofing before applying Fluid Film. Fluid Film can be applied over tightly adhering rustproofing, but its penetration might be reduced.
H3 Will Fluid Film damage rubber or plastic components?
Fluid Film can soften or swell some rubber and plastic components if applied excessively. Exercise caution when applying it near rubber bushings, seals, hoses, and wiring. Light applications in these areas are usually fine.
H3 Does Fluid Film attract dirt and dust?
Yes, Fluid Film’s oily consistency can attract dirt and dust. This can be mitigated somewhat by applying it sparingly and avoiding driving on dusty roads immediately after application.
H3 How much Fluid Film do I need for a full application?
The amount of Fluid Film needed will vary depending on the size of your vehicle and the thoroughness of the application. Generally, 1-2 gallons is sufficient for a full-size car or truck.
H3 Can I apply Fluid Film myself, or should I have it professionally done?
You can apply Fluid Film yourself, but proper application is crucial for optimal protection. If you’re not comfortable with the process, consider having it professionally applied.
H3 Is Fluid Film flammable?
Fluid Film is not highly flammable but it is combustible. Avoid using it near open flames or sources of ignition.
H3 Where can I purchase Fluid Film?
Fluid Film is widely available at auto parts stores, online retailers, and some hardware stores.
H3 Does Fluid Film smell?
Fluid Film has a distinct lanolin odor that some people find unpleasant. Ensure adequate ventilation during application. The odor usually dissipates within a few days.
H3 Is Fluid Film safe for the environment?
Fluid Film is considered more environmentally friendly than many traditional rustproofing chemicals because it is lanolin based. However, responsible disposal of containers and avoidance of overspray are still important.
Conclusion: Protecting Your Investment
Fluid Film is a valuable tool for rustproofing an older car, offering a unique combination of penetration, protection, and ease of use. By understanding its benefits and limitations and following proper application techniques, you can significantly extend the life of your vehicle and protect your investment. Regular application and inspection are key to maintaining long-term rust protection and ensuring your older car remains on the road for years to come.