Power Window Regulator and Motor Service
Power windows are great as long as they roll up and down when commanded to do so.
Throttle-By-Wire Diagnostics
Throttle-by-wire systems proactively manage the air and fuel going into the combustion chamber.
Acura Turbo Engine Service
It is important to check the operation of the solenoids that control vacuum to the actuators.
Solving Intermittent Overheating
New cooling systems anticipate and influence changes in coolant temperature.
Ignition Systems
The ignition coil is a very simple and robust circuit.
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.
Lifter Deactivation
The area of contact between the lifters and cam lobes is the highest loaded surface inside an engine.
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 not only know the position of the crankshaft, but the position of the camshafts.
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.
