Doug Kaufman, Author at UnderhoodService - Page 19 of 20
$25 Billion Bounty Puts Hollywood Heists To Shame

The Auto Care Association and IMR Inc. report that in a recent survey, more than 100,000 American households (driving more than 170,000 vehicles) revealed they know that repairs or maintenance need to be performed on their car but have chosen to delay the work.

VIDEO: Determining Turbocharger Failures

When a turbocharger fails, your CSI skills must be put to work. Determining why it fails may be much more difficult than replacing it. Sponsored by MAHLE.

VIDEO: How Turbocharger Efficiency Is Affected By Location

Today’s 4-cylinder engines can generate more torque and horsepower than yesterday’s V-6 engines and turbochargers have made a comeback. Their location under the hood will determine lifespan and efficiency. Doug Kaufman explains why the placement of the turbocharger is so important. Sponsored by MAHLE.

Diagnosing Positive Crankcase Ventilation Leaks

The PCV system prevents crankcase blowby vapors from escaping into the atmosphere by capturing the vapors, separating the oil and directing them into the intake manifold so they can be burned in the engine.

Dumb Thoughts About Smart Cars

Only 2 percent of accidents are due to vehicle component failure of degradation.

VIDEO: Understanding Variable Geometry Turbocharging Technology In Modern Engines

Doug Kaufman explains the concept of performance and efficiency of different engines. Sponsored by MAHLE.

VIDEO: Best Practices For Turbocharger Life

Doug Kaufman discusses some simple things your customers can do to ensure the longest life of their turbochargers. Sponsored by MAHLE.

Why Maintenance Matters

Although Car Care Month is typically celebrated twice a year in April and October, that doesn’t mean you should miss great opportunities to host impromptu car care clinics during the summer.

Doing What We Do

Underhood Service, along with the Brake & Front End and ImportCar brands, is again partnering with WIX Performance to sponsor the 2019 “Driving Performance” Award, to recognize game changers in automotive service.

Spark Plug Evolution

Without the spark plug, there would be no internal combustion engine. The exact date of birth and father of the first real spark plug isn’t known for sure – some credit Edmond Berger with the invention as far back as 1839 but it was unpatented and definitely not designed for a car engine.

VIDEO: Checking Key Fob Signal And Operation

Doug Kaufman discusses how to diagnose key fob issues, from fixing low signal to learning new fobs after they are lost or failed. Sponsored by Blue Streak.

VIDEO: No-Start No-Crank On Vehicles With Transponder Keys

Doug Kaufman discusses no-start and no-crank issues on vehicles, and the different diagnostic processes and tools you can use to find the problem. Sponsored by Blue Streak.