How To Identify and Cure Automotive Paint Corrosion Problems

Tags: Paint Defects · Rust Repair

http://www.howtopaintcars.com/wp-content/gallery/paint-defects/corrosion.jpg?i=330921372Rust on cars is nothing new and it happens to every vehicle eventually but sometimes when you are refinishing a vehicle you can introduce problems that cause immediate or early corrosion problems.

A relatively new problem that many technicians are dealing with is corrosion on aluminum parts. Many hybrids and high MPG vehicles are using aluminum for exterior skins and structural parts. Additionally most drive trains have been using aluminum for decades so if you are repairing parts of this type you need to understand how to prepare them and what paints are appropriate for refinishing.
Common …

How To Identify and Cure Automotive Paint Color Mismatch Defects

Tags: Enamel · Paint Defects · Urethane

http://www.howtopaintcars.com/wp-content/gallery/paint-defects/color-mismatch.jpg?i=1429150739Paint Color Mismatch is a problem that many technicians have to deal with and the problem can be both formulation and technique used while applying paint.

When performing a spot repair it is to be understood that any formulation of paint mixed by the technician will not be an exact match to the color that is on the vehicle. This is true if you are picking colors from a chip book or using a analyzer that inspects the vehicle’s paint for color matching and mixing suggestions.

For this reason it is appropriate to blend colors across panels …

How to Paint an Engine Compartment that has been previously spray painted

Tags: Enamel · Engine

http://www.howtopaintcars.com/wp-content/gallery/engine-parts/nova-350-engine-bay.jpg?i=1845724759Engine Compartments are often the most abused areas in our vehicles. If you work on your vehicle a lot then you are likely to get chemicals on your paint, scratches from removing and installing parts and because its not an area that everyone else sees it often gets neglected.

Over the time that we or other people have owned the vehicle there may have been a number of color changes and touchups. Often the paint is rattle can dollar store paint that just hides previous attempts to make it look nice but at some point we …

How To Identify and Cure Automotive Clearcoat Yellowing Defects

Tags: Clearcoat · Paint Defects

http://www.howtopaintcars.com/wp-content/gallery/paint-defects/clearcoat-yellowing.jpg?i=1199329548Although Clearcoat may discolor over many years there is another problem when the paint you apply is an off color or yellow in comparison to the rest of the vehicle.

You will be left with a mismatch job that looks tinted when compared to the adjacent panel and yellow in hue.

The reason that this happens is due to either contaminated or improperly mixed clearcoat or technician error.

If the problem is the mixture of the paint it could be due to contaminated products or the wrong hardener or activator.

If the problem is due to technician error it …

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