How is Testing Done in the Automotive Industry?

Testing is a crucial aspect of automotive maintenance and repair, and mechanics in the industry use a variety of expensive equipment and skilled labor to ensure that vehicles are running properly and safely. While diagnostic tools such as scan tools and code readers are commonly used to identify and troubleshoot issues with a vehicle’s systems, there are other types of testing that mechanics may perform that do not rely solely on these diagnostic tools.

Visual Inspection

One type of testing that mechanics commonly perform is a visual inspection. This type of testing involves a thorough examination of the vehicle’s systems and components, including the engine, transmission, suspension, and braking systems, to identify any signs of wear or damage. This may include checking for leaks, worn hoses or belts, and other issues that can impact the vehicle’s performance.

Road Testing

Another type of testing that mechanics may perform is road testing, also known as a road check, during which the mechanic takes the vehicle for a test drive to evaluate its performance and identify any issues that may not be apparent during a visual inspection. This can include things like steering alignment, suspension issues, and transmission performance.

Compression Test

Another type of test that is done on a vehicle is a compression test. this is done by a mechanic by removing the spark plug from the cylinder, then using a compression gauge tool, to check the amount of pressure that is generated when the cylinder is compressed during the engine’s power stroke. This test will identify low compression in one or more cylinders, a common indicator of a mechanical problem like worn engine valves or a damaged piston ring.

Leak-Down Test

A popular test in the industry is a leak-down test. It is done on the engine to identify any leakage or air escaping from the engine in an unplanned manner, which can indicate an issue with engine seals or gaskets. During a leak-down test, compressed air is introduced into the cylinder and the mechanic uses a special gauge to measure the amount of leakage.

Emissions Test

Another important test that a mechanic may perform is an emissions test. This test is used to check that the vehicle is not emitting excessive amounts of pollutants into the air. In order to perform this test, the mechanic will typically use specialized equipment, such as an emissions analyzer, to measure the levels of various pollutants coming from the vehicle’s exhaust system.

Specific Specialized Tests

In addition to these tests, mechanics may also perform other specialized tests, depending on the specific needs of the vehicle. For example, if a vehicle is suspected of having a problem with its transmission, the mechanic may perform a transmission fluid pressure test to check the condition of the transmission and identify any issues. Similarly, if a vehicle is suspected of having a problem with its cooling system, the mechanic may perform a pressure test to check for leaks or other issues.

Expensive Equipment And Highly Skilled Mechanics

All these tests are done by mechanics using specialized tools and equipment, such as compression testers, leak-down testers, and road testing equipment, which can be very expensive. Additionally, mechanics performing these tests are often highly skilled and experienced, and as such, command higher wages and salaries than entry-level technicians.

While diagnostic tools and computer software can be useful in identifying and troubleshooting issues with a vehicle, it’s important to note that these tools alone do not provide a complete picture of a vehicle’s condition. Testing that involves visual inspections, road testing, and specialized equipment is still an essential part of automotive repair and maintenance. It allows mechanics to get a more complete understanding of a vehicle’s condition and identify any issues that may not be detectable through diagnostic tools alone.

Testing plays a crucial role in the automotive industry, and mechanics use a variety of expensive equipment and skilled labor to ensure that vehicles are running properly and safely. These tests done by mechanics include visual inspection, road testing, compression testing, and leak-down testing to identify potential issues with a vehicle’s systems and components. While diagnostic tools can be useful, they alone do not provide a complete picture of a vehicle’s condition, and additional testing is necessary to ensure that vehicles are safe and reliable.

Bring Your Vehicle To Andres Auto Service For Testing Today!

Andres Auto Service provides testing services in Chicago, IL, and the surrounding area. We use state of the art equipment and certified technicians to follow an intense and thorough inspection protocol which covers a wide range of components related to car maintenance. This testing process involves subjecting cars to simulated extended mileage intervals to ensure that everything is functioning properly or can be identified for repair. We use a comprehensive approach to ensure that each of our customers is getting the best service with the safest results. All new parts and vehicles go through a careful analysis, including computerized diagnostics to verify performance. Our technicians are also trained to manually inspect for signs of wear or damage and complete tests designed to determine drivability and quality assurance. In addition, all repairs are quality-checked and checked again before releasing the vehicle back to its owner. This ensures that Andres Auto Service stands by its commitment to your safety and satisfaction.  Andres Auto Service ensures that all tests meet or exceed state requirements and standards, giving customers peace of mind that their vehicles are safe and compliant on the road.