Underhood Service Staff Writers
Snap-on Announces Latest Software Release

The latest software includes new coverage and guided component tests and features.

Why A 12-volt Battery is Still Essential in EVs

A device similar to an alternator, called a DC-DC converter, charges the 12-volt battery from the high-voltage battery pack.

Turbocharger Maintenance ft. Rein TechSelect Turbo Kits

Learn about common challenges with turbocharger maintenance and how Rein TechSelect Turbo Kitsmake the repair process easier for technicians.

Honda Electronic Throttle Body Service Tips

Using care and following OEM procedures will help you to avoid unnecessary parts replacement and comebacks.

Elywhere Launches in North America

Elywhere said its chargers can be configured to support power in the 1 MW range, providing solutions for electric fleets.

AACF Launches 65th Anniversary Fundraising Initiative

The campaign aims to raise $65,000 through 1,000 donations of $65 each.

Demand for REE Automotive Full By-Wire EVs Continues to Grow

REE has expanded its authorized dealer network, which now covers 66 locations of sales and service across the U.S. and Canada.

The Standard® Advantage

Standard® knows that what comes out of a repair is directly dependent upon what goes into the box. This video is sponsored by Standard®.

Why Alternators Are Subject To Ripple Voltage

The alternator produces an AC current that must be converted into DC current by way of a rectifier.

ASE Practice Tests Available Online

You can get a good idea of what to expect by adding the official ASE practice tests to your study plans.

TransFix: What Happens When a Transmission Has a Harsh Shift?

Learn about the additives and conditioners that can rejuvenate the seals and eliminate varnish in the passages of the valve body.

AACF Celebrates 65 Years Serving the Aftermarket

AACF will be announcing more details about this commemorative fundraiser April 1st.