Rust is common on household radiators. If you do not maintain your radiator properly, water may leak or condensation may appear. These wet conditions can cause rust to appear on the metal of the radiator. It is important to clean rust away from the radiator as soon as possible to prevent it from rotting the metal further. This will lead to you needing a replacement. Removing rust also means painting the radiator to cover up any bare metal.
Things You'll Need
- Paint stripper
- Steel wool or 80-grit sandpaper
- Spray primer
- Radiator paint
- Enamel paintbrush
Remove the paint from the radiator using a paint stripper. Pour the paint stripper onto a rag and rub off the paint until the metal is exposed.
Sand the areas where there is rust using steel wool or 80-grit sandpaper. Wipe down the surface of the radiator to remove any rust particles.
Spray the radiator with a red metal primer. Allow the primer to dry.
Brush high heat enamel paint on top of the primer. Use an enamel paintbrush to prevent hairs from coming off into the paint.
- Photo Credit Martin Poole/Lifesize/Getty Images
How to Flush a Radiator
Flushing the radiator of your car can help prevent blockages or leaks that can cause extensive damage to the cooling system. Failing...
How to Remove Lime Deposits in an Auto Radiator
Minerals, heat and time can conspire to create calcium deposits--lime scale and furring--in your automobile radiator and engine block. This buildup can...
How to Clean a Car Radiator
Automotive radiators can become fouled with rust and calcium deposits after just a few years of operation. Left unchecked, this can result...
How to Paint Rusted Baseboard Radiator Covers
Rusty baseboard heater covers are unsightly and dangerous. Little ones crawling on the floor can put their hands on them and get...
How to Remove Rust From Metal
Remove rust by abrading the metal, soaking or washing it with acidic chemicals or painting it with a rust converter.
How to Remove Paint From Radiators
The primary function of radiators is to disperse steam heat that is generated by boilers. The dispersed steam heats up the room....
How to Clean Rust in an Engine Radiator
You should flush out your cooling system on a regular basis; but not everyone does this. Ignoring this maintenance could lead to...
How to Remove Automotive Radiator Rust
The cooling system of your vehicle is critical to the performance of your engine, and if you start to develop rust in...
Rust Removal From a Cooling System
A radiator uses a mixture of distilled water and antifreeze to keep an engine cool. The antifreeze has lubricating components to keep...
How to Remove Paint From a Cast-Iron Radiator
A radiator is part of a type of heating system. The series of pipes that make up the radiator are heated up...
How to Clean Cast Iron Radiators
Old-style cast iron radiators are still used in many homes for heat or as an attractive period feature. Cast iron retains heat...
Do-It-Yourself Radiator Coolant Rust Inhibitor
Rust buildup inside your radiator is an age-old problem that occurs primarily because of the nature of how your coolant system functions,...
Engine Coolant System Rust Removal
Several flush kits are available to clean the cooling system of your vehicle. Along with a mild or strong cleaner solution, a...