Top 5 VSP.com articles of the week: Heat exchangers, seal hunting, and new tariffs

April 4, 2025
These are the most clicked-on articles on VehicleServicePros for the first week of April 2025.

April showers may bring May flowers, but April is also bringing a wave of new tools, techniques, and headlines in its first week. Here are the most-viewed articles that appeared on VehicleServicePros.com for the week of March 31 - April 4, 2025.

5. Mastering Diagnostics #22: Introduction to the Internal Heat Exchanger (IHX)

This episode of Mastering Diagnostics covers the thermodynamics behind a refrigerant loop and explains how technicians can utilize this knowledge to visualize thermal energy transfer.

4. Tool Review: OTC Cone Washer Removal Adapter, No. 5098

Shop foreman Bryan Pollock talks about his experience using OTC's cone washer removal tool and gives his rating on how it performed.

3. Seal Hunting on a 2013 Jeep Wrangler

Seal hunting in the bay is generally frowned upon unless you're hunting for a leak in a vehicle bay. Master technician Brandon Steckler breaks down the data behind a recent (automotive) seal hunt in this edition of The Data Doesn't Lie. See if you can figure out the right answer to this edition's case study.

2. Which auto parts will be affected by the new tariffs?

President Donald Trump issued a speech on new tariffs on American trading partners earlier this week, and the industry is still racing to figure out just what sort of impact the announced plan will have on the global automotive industry. After the announcement, the White House released a list of the automotive components that are due for a 25 percent increase in tariffs by next month.

1. M18 FUEL 1/2" High Torque & 3/8" Mid-Torque Impact Wrench Combo Kit, No. 3010-22

This kit comes with two batteries, a charger, and two impact wrenches offering 1,500 ft-lbs and 600 ft-lbs of nut-busting torque respectively, all packed in a Milwaukee contractor bag. Check out the rest of the details of the kit here.

About the Author

Griffin Matis | Associate Editor | PTEN & Professional Distributor

Griffin Matis is an associate editor for the Vehicle Repair Group. A graduate of the University of Missouri's School of Journalism, Matis works with Professional Tool & Equipment News (PTEN), Professional Distributor, and VehicleServicePros.com. 

Sponsored Recommendations

Not all fuel injectors are created equal. In this WIYB Training Series, we compare Standard® Fuel Injectors against OE, low-cost imports. See why precision engineering and rigorous...
Carrying active OEM subscriptions for all manufacturers is not possible for many shops. However, access to this software is required for certain modern vehicles and repairs, and...
Learn how to properly lubricate your AIRCAT air tools to keep them running at peak performance. Discover essential daily maintenance and storage techniques, along with the right...
Stock up on essential repair kits! Discover how Standard's multipacks simplify repairs and reduce downtime.

Voice Your Opinion!

To join the conversation, and become an exclusive member of Vehicle Service Pros, create an account today!