Set Up The Truck
First, you need to park your truck on a solid, flat surface. You need to make sure that the parking brake is engaged. Then, you need to raise your truck up by placing jacks under the frame near the front tires. You should also place wood or brick blocks under the rear tires to ensure that your truck does not move. You are going to need to have easy access to the undercarriage.
Remove The Rust
Once …show more content…
Work the stiff brush around all the rusty areas, scrubbing until the rust is gone. This could take a considerable amount of time depending on how much rust you have to remove.
After you have removed all the rust, you can use a high-pressured water hose to clean away the rust. If you choose to do this step, you will have to wait for the undercarriage to dry before proceeding.
Apply Grease And Wax Remover
Once the underside of your truck is dry again, you are going to need to apply a grease and wax remover to a rag. Then, use the rag to work off any remaining rust that is under your truck. If there is any grease or wax under your truck, you should also use the rag to remove that as well.
Apply An Anti-Rust Coating
Now that you have removed all the rust, you need to make sure that more rust does not take its place by applying an anti-rust coating to the undercarriage of your truck. You should use a paint brush to apply a coat of an anti-rust coating to your truck. Make sure that you apply it to all sides and angles of your undercarriage.
Let it dry according to the directions on the package, then get back under your truck and apply a second