Subaru EJ25 Head Gasket Problems
Most of the EJ head gasket failures occur around the 100,000-mile mark and start as a slow oil or coolant leak.
How Effective Are Non-Competes
NCAs restrict workers, hinder innovation, and impact employment options.
Ignition Systems
The ignition coil is a very simple and robust circuit.
Is Your Shop Being Robbed Right Now?
How prepared are you for the bad guys?
The August Digital Edition Is Available Today
Each issue includes technical content from Underhood Service and other ShopOwner channels.
HV/EV Battery Pack Replacements
It is difficult to say when a battery pack will need to be replaced.
Road Usage Taxes and Right To Repair
The federal gas tax has been around since 1932, and some state fuel taxes even longer.
Diagnosing Crankshaft Position Sensors
Modern engines need to know the position of the crankshaft and camshafts.
Subaru PCV Hose Redesign
Always order the most up-to-date replacement parts based on the specific model.
Coffee, Cars and Casual Conversations
We are looking for professionals to share their knowledge and passion with the industry.
Electronic Throttle Body Service
On most systems, idle speed is completely controlled by the throttle plate angle.
The July Issue Is Now Available For Free Download
Every issue includes technical and marketing information from multiple ShopOwner channels.
