2023 Edition Archives - Page 5 of 7 - UnderhoodService
Spark Plug Evolution

Spark plugs have changed over the years.

Compressor Oil for R1234yf

Working on R-1234yf systems is not that different from the R-134a variety.

Aftermarket Artificial Intelligence 

Like it or not, you are part of the aftermarket AI engine.

Technician Shortage… Not For Everyone

Consider what your shop can do to combat the technician shortage.

GM No Crank/Start and Key Fob Range Problems

2007-2023 GM vehicles use Radio Frequency (RF) to transmit information.

ECM Damage

Engineers have devised two strategies that can be called the “immune system” for the electrical system.

Ford 2.0L EcoBoost Rattle Noise

To correct the condition, follow the Service Procedure to replace the flexplate, transmission fluid pump & torque converter.

Cabin Air Filters

Don’t overlook the importance of the cabin air filter in your customers’ vehicles.

The June Digital Edition Is Available Today

Each issue includes technical content from Underhood Service and other ShopOwner channels.

Artificially Generated Customer Service

As easy as it is to TALK about customer service, actually offering it is NOT automatic. 

Engine Bay Covers: Cosmetic or Comedic?

Each year, it seems engine bay covers get bigger and more difficult to remove.

GM Diagnostic Tip on Misfires, Noises and DTCs

Determine which description best matches the vehicle you are working on, and perform the suggestions as necessary.