by Jonathan Roth | Oct 2, 2025
Recently, I wrote about how brake cleaner can be hazardous if not used correctly, and how you should take safety precautions when using it. One of our readers had an insightful comment on the piece. Now, I think it’s debatable that carburetor cleaner is more hazardous...
by Shop Press Staff | Sep 30, 2025
The Real Meanings Behind OBD-II Diagnostic Trouble Codes (VIDEO) Description When the check engine light (CEL) pops up and your OBD-II scan tool displays a code, that’s only the start of the diagnostic process. By breaking down the structures used to create DTCs, you...
by Shop Press Staff | Sep 25, 2025
Torque-to-angle, also known as angle-torque or torque-plus-angle, is a fastening method that combines an initial torque application with a subsequent angular rotation to achieve precise bolt or fastener tension. This technique ensures consistent clamping force,...
by Shop Press Staff | Sep 23, 2025
Hybrid A/C Compressor Oil-ASE Practice Question (VIDEO) Description Technician A is working on a hybrid vehicle’s air conditioning system that utilizes a high voltage electrical compressor. Technician B says that only the oil specified by the vehicle manufacturer...
by Peter F Meier | Sep 18, 2025
As the weather warms, more and more of your customers will be switching over their HVAC control settings to “max A/C”. If the system doesn’t respond by blowing that refreshing cool air into their faces, they will show up at your door to find out why. When faced with...
by Peter F Meier | Aug 21, 2025
If you’re like me, you might cringe a little. More often than not, they’re hoping this magical procedure will fix some mysterious issue with their car. But let’s break it down: what is a tune-up, anyway? Most dictionaries describe a tune-up as “a general adjustment to...