If you don't want to go to school to become a diesel mechanic, or you haven't completed school yet, it is possible to learn on the job. However, you will need to find a shop that it willing to take someone on that doesn't have experience or training. Contact shops in your area and ask whether they are willing to take you on.  Sell yourself and your related experience to your potential employer. If you have knowledge of engines other than diesel engines and you have had classes in high school that were related, tell your employer about them. Many people who want to be diesel mechanics get jobs like this while they are in school. Being enrolled in a diesel mechanic program will show your potential employer that you are serious about learning and becoming a skilled diesel mechanic. Many employers now ask that employees take a drug test before being hired. Make sure you can pass this test before applying for a job. Some employers only require a pre-employment drug test. However, there are also some that reserve the right to do random drug tests throughout your employment. In order to become a great diesel mechanic, even if you have gotten a degree, it will take time and experience. Work hard and learn all the ins and outs of your field while on the job. After a few years, you will become an expert on fixing a wide variety of diesel engines. There are many things you can learn from school but being on the job will force you to think on your feet and to find creative solutions to problems. This kind of on-the-job learning can't be taught in a classroom. An ASE certification shows that you are a skilled and knowledgeable diesel mechanic. This process includes studying for, taking, and passing 2 online qualification tests. Getting this type of certification does not require a degree in diesel mechanics, but you do need at least 3 years of experience on the job and you will need to pay a fee.  There are no laws that state that you must have a certificate to work on diesel engines. Getting certified simply makes you look better to potential employers and will help you move up the ranks in your company by becoming a master technician. Be sure to get re-certified every five years in order to keep your qualifications up to date.

Summary: Seek an employer that is willing to give you on-the-job training. Pass a drug test. Get several years of on-the-job experience. Apply for certification from the National Institute for Automotive Service Excellence (ASE).


Wait 5 minutes after application and then examine the surface a final time for drips. If you find any, use your brush to smooth them out. Before moving on to your final coat, let the first 2 cure completely over a 24 hour period. Make sure the surface is fully dry to the touch before proceeding.
Summary: Check for drips and then let the finish dry for 24 hours.