Our previous blogs are concerned with protecting your car’s exterior from the outside: polishing, waxing and filling in small chips and scratches will protect the paint and help protect against surface rust.

The real battle, however, the one you don’t see, is what’s happening underneath your car, especially in our northern climates: snow and ice along with road salt will find its way into every crevice and cranny, lodging itself between wires and cables, plugging up drain holes, wheel wells, attacking brake lines and so on. When the weather is below zero and your car is outside, the chemical action of rust oxidation slows or stops. But when the car warms up in your garage or in underground garages or during a January thaw, the rust process begins again.

The cure for rust is a body job and at LNER, they’re happy and capable of doing that for you. The prevention, however, is rust-proofing. Having your car professionally rust-proofed is a worthwhile investment.

Don’t confuse undercoating sprays, especially those sold as do-it yourself applications with rustproofing. These products can actually increase the rust because they eventually can crack or separate and then moisture and salts are trapped. Poorer quality products can also destroy rubber parts such as CV boots. The best advice is to stay with a quality rust proofing company that uses a wand to spray an oil-based product into every nook and cranny of your car, drilling holes the first time, where necessary, so as to reach into and in between door panels. The holes are discreet and rubber plugs are inserted.

For several days after the application, your car will drip any excess oil, so protect your driveway and garage or park elsewhere. Speak to your dealer for advice and always check the warranty, but the current wisdom is to have this treatment reapplied every two years. Many also suggest having your car rust-proofed before the rust begins, but these rust-proofers claim that their products can slow down the rusting process in cars already afflicted and while no one has done scientific studies, it certainly can’t hurt and it might help.

If you have any questions about rust proofing, feel free to LNER Automotive at 905-953-0052 or you can look them up at www.lnerautomotive.

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