How to keep a Dodge Ram from rusting?

Keeping a Dodge Ram from rusting comes down to prevention: regular cleaning, protective coatings, and prompt repair of any paint damage. In practice, that means frequent washing (especially after winter road salt), applying barriers to exposed metal, and addressing chips or scratches before they spread. With attentive care and smart storage, you can significantly extend the life of the truck’s body and frame.

Understanding rust risks for Ram trucks

Rocks, salt, and moisture are the main enemies of any pickup. On Ram models, the most vulnerable areas often include the rocker panels, cab corners, wheel wells, door bottoms, bed rails, and frame cross members. Salt used on roads in winter accelerates corrosion, while humidity and frequent trips through slush and mud can trap moisture in crevices. Protective coatings and timely maintenance are essential to slow or stop rust from taking hold.

Preventive maintenance you can do now

Implementing a proactive routine keeps metal surfaces shielded and minimizes the chance of rust taking hold. The following steps form a practical plan you can start today.

• Regular washing and thorough drying, focusing on undercarriage, wheel wells, rocker panels, door jambs, and bed rails. Prioritize after winter salt exposure and muddy trips; use a gentle soap and avoid high-pressure blasts directly at seals and sensors.


• Protect vulnerable areas with a durable barrier, such as a wax/sealant or a ceramic coating, and consider OEM-approved rust-preventive coatings or a professional undercoating for harsher environments.


• Promptly touch up paint chips and scratches with OEM color-matched paint and a clear coat to seal exposed metal before it oxidizes.


• Consider a factory-approved or professionally applied undercoating or rustproofing treatment, especially if you live in regions with heavy road salt or coastal humidity.


• Use protective liners (fender liners, bed liner) and ensure mud and gravel aren’t collecting against metal edges where chipping can start.


• Keep drainage paths clear—check sills, rocker drains, and door channels so water doesn’t pool around joints or along the frame.


• Store the Ram in a dry, shaded area when possible; if garage storage isn’t available, use a breathable car cover and a desiccant inside the vehicle to reduce humidity.


• In winter, rinse the undercarriage after driving on salted roads and after snow/ice removal to remove salt residues that can persist and corrode metal surfaces.

Following these preventive steps creates a layered defense against rust by reducing moisture exposure, limiting chip exposure, and maintaining protective barriers over metal surfaces.

What to do if you spot rust

Early detection is key. If you notice any corrosion, act promptly to stop it from spreading. The following steps guide you through safe, effective treatment.

1. Assess the scope: determine whether it’s surface rust or perforation (rust-through). If the metal is fully perforated, professional repair is usually required.


2. Remove loose rust and debris with a wire brush or sanding block to expose clean metal.


3. Apply a rust converter on lightly rusted areas to stabilize the rust chemistry and prevent further spread.


4. Prime and repaint the affected area with OEM-compatible paint and clear coat to restore protection and appearance.


5. Reapply a protective coating or wax/ceramic sealant after the paint cures to guard against future moisture exposure.


6. For extensive rust or structural concerns (especially on frame rails or floor pans), seek professional evaluation. Structural rust can compromise safety and may require more involved repairs.


7. Document the condition with photos and review any applicable warranty or recall coverage with your dealer or manufacturer if relevant.


8. After repairing, consider rust-preventive undercoating or coating touch-ups to reduce the chance of recurrence.

Addressing rust early can save substantial repair costs and preserve the vehicle’s value. If perforation or structural rust is present, professional service is often necessary to ensure safety and proper corrosion mitigation.

Warranty and professional options

Understanding your protection options helps you decide when DIY fixes are appropriate and when it’s time to seek professional help. Note that terms vary by model year, region, and trim, so check your warranty documentation and speak with your Ram dealer for specifics.

• Factory corrosion warranty terms: Many Ram models include some form of perforation (rust-through) protection for a defined period or mileage. Confirm the exact coverage for your year and region with your dealer.


• OEM corrosion prevention coatings: Some vehicles come with factory-applied corrosion protection and optional dealer-installed rustproofing packages. These offerings can complement ongoing maintenance.


• Third-party rustproofing and undercoating: If you live in harsh climates, professional rustproofing services (spray-on undercoatings or oil-based treatments) can provide long-term protection, though results vary by product and application quality. Always choose reputable installers and follow product recommendations.


• DIY products: Rust converters, primers, and paints are available for at-home repairs. Use products compatible with your vehicle’s finish and follow safety and curing instructions. For critical areas like the frame, professional repair is often safer and more durable.


• What to avoid: Cheap or incompatible coatings that trap moisture or hide rust behind thin films can worsen problems. Always match coatings to the metal type and climate, and follow manufacturer guidelines.

Warranty terms and professional services offer a safety net for rust problems. When in doubt, a Ram dealer can provide a diagnostic and a recommended treatment plan aligned with factory standards.

Seasonal care and storage tips

Seasonal changes alter rust risk. Implementing a lightweight, year-round routine tailored to winter and warmer months helps keep metal surfaces protected.

Winter care

Winter introduces salt, moisture, and temperature swings that accelerate corrosion. The following practices help mitigate those risks.

• Rinse the undercarriage and wheel wells after snow-related road treatment to remove salt residues.


• Inspect and touch up any chips or scratches promptly to prevent salt-induced corrosion at exposed metal.


• Keep a clean, dry interior and use a desiccant to reduce humidity inside the cab when possible.


• Ensure door seals, weatherstripping, and drain holes remain clear to prevent pooled moisture near the body seams.

Winter-focused care reduces exposure to corrosive agents and helps maintain the Ram’s finish across seasons.

Summer care

Summertime brings heat and humidity, which can exaggerate surface rust in damp climates. Use these practices to protect the finish during warmer months.

• Regular washing to remove dust, pollen, and salt spray near coastal areas or salted roads after summer storms.


• Apply a protective sealant or ceramic coating to maintain a glossy barrier against moisture and UV exposure.


• Check for and repair any rust spots discovered during seasonal washings before they spread.


• Store the Ram in a shaded or covered area whenever possible to reduce heat-related paint aging and keep protective coatings effective longer.

Seasonal vigilance helps sustain protective layers and prevents rust from gaining a foothold during peak vulnerability periods.

Summary

Protecting a Dodge Ram from rust hinges on prevention, prompt action, and smart maintenance. Regular washing (especially after winter), protective coatings, timely paint-chip repair, and proper storage form the core defense. If rust appears, address it early with surface treatments or professional repair, and review warranty options for coverage. By integrating these practices into a routine, you can extend the truck’s life and preserve its value for years to come.

How to prevent rust on Dodge Ram?

Regular washing and waxing play a pivotal role here. Wash your truck every two weeks, paying special attention to the undercarriage and hidden nooks where salt can accumulate. Follow up with a quality wax to add an extra layer of protection against moisture and salt. Anti-rust treatments are your next shield.

How do I stop my truck from rusting?

To stop rust on a truck, you must first remove the rust with abrasion and then seal the area with a primer and paint to prevent further corrosion. For preventive measures, regularly wash your truck, especially the undercarriage, wax the body, and immediately fix any scratches or paint chips. 
This video shows how to stop rust from spreading on your car or truck: 54shoohoohoblinYouTube · May 3, 2020
Step 1: Remove the rust

• Use a wire brush or sandpaper to remove any loose rust flakes. 
• Sand the area until you see bare, shiny metal, and clean the dust with a degreaser or wax remover. 
• For more advanced rust, a rust converter can be used to chemically change the rust into a stable, paintable surface. 

Step 2: Seal the area 

• Apply a rust-inhibiting primer to the bare metal. 
• After the primer dries, apply a matching touch-up paint to the treated area. 
• Finish with a clear coat to protect the paint, especially if you have a metallic color. 

Step 3: Prevent future rust

• Wash regularly: Frequently wash your truck, paying special attention to the undercarriage, to remove salt, mud, and other corrosive materials. 
• Wax often: Apply a quality automotive wax to create a protective barrier that repels water. 
• Address scratches immediately: Fix any chips or scratches in the paint as soon as you find them to prevent moisture from reaching the metal underneath. 
• Protect the undercarriage: Use a rubberized undercoating or a rust inhibitor spray on vulnerable areas like the undercarriage and wheel wells. 
• Use a car cover: When possible, park your truck in a garage or use a car cover to protect it from the elements. 

Can I put WD-40 on metal to prevent rust?

Yes, WD-40 protects metal from rust and corrosion by creating a barrier that displaces moisture. While the original formula provides a temporary, short-term protective film, the WD-40 Specialist Corrosion Inhibitor is specifically designed for long-term rust prevention, blocking rust for up to one year outdoors or two years indoors. 
You can watch this video to learn how WD-40 works for rust protection: 34sWD-40 Australia & New ZealandYouTube · Apr 27, 2018
Original WD-40 Multi-Use Product 

• How it works: It protects metal from rust and corrosion by displacing moisture. 
• Best for: Temporary, short-term protection, like after cleaning a tool. 
• Limitations: The protection it offers is temporary and not as long-lasting as dedicated rust inhibitors. 

WD-40 Specialist Corrosion Inhibitor

• How it works: This product provides a long-lasting, non-drying protective film that blocks rust and corrosion. 
• Best for: Long-term storage, extreme environments, and preventative maintenance where metal parts will be exposed to the elements. 
• Protection period: Up to one year outdoors or two years indoors. 

Other related products

• WD-40 Specialist Penetrant: Excellent for freeing rusted and seized parts. 
• WD-40 Specialist Gel Lube: Offers a thick, long-lasting gel coating for enhanced protection on various surfaces. 

Do Ram trucks rust easily?

Whether a Ram truck rusts easily depends on the model year, region, and how well it is maintained, but certain areas are more prone to rust, particularly in harsh climates with road salt. Common rust spots include the rocker panels, cab corners, and the area behind the front tires. 
This video shows a Ram truck with extensive rust on the rocker panels and cab corners: 59sGetty's GarageYouTube · Apr 9, 2022
Factors that contribute to rust

• Road salt: Salt used to de-ice roads is a major cause of corrosion on the undercarriage and body. 
• Moisture: High humidity, rain, and snow increase the likelihood of rust formation when combined with oxygen. 
• Lack of drainage: Some areas, like the bottom of rocker panels, have vent holes that can become clogged with mud and debris, trapping water and causing rust from the inside out. 
• Damage: Scratches, stone chips, and other damage to the paint create areas of exposed metal that can quickly rust. 

Common rust-prone areas

• Rocker panels: The lower body panels near the bottom of the doors are susceptible to stone chips and trapped moisture.
• Cab corners: The area behind the rear doors, on the corners of the cab, can be affected by stone chips from the front tires.
• Wheel wells: The inner and outer wheel wells, especially on the box of the truck, are prone to stone chips from the rear tires.
• Painted bumpers: The painted front bumper is prone to chipping, which can lead to rust. 

How to prevent rust

• Wash frequently: Regularly washing your truck, especially the undercarriage, can remove salt and other corrosive contaminants. 
• Apply wax: Waxing your truck creates a protective barrier on the paint's surface. 
• Consider rustproofing: Applying a rustproofing treatment to the frame and underbody can provide long-term protection. 
• Use mud flaps and fender liners: These can help protect the body and undercarriage from road debris and stone chips. 
• Repair damage immediately: Address any paint chips or scratches as soon as they appear to prevent rust from starting. 
• Store your vehicle properly: Whenever possible, store your truck in a garage or covered area to keep it out of the elements.