Underhood Service

09/05/2025

DTCs P0234 for over-boost and P0299 for under-boost conditions are some of the most common codes for turbocharged vehicles.

Here's how to diagnose them: https://bit.ly/4nc9iXQ

08/26/2025

Be sure to check out this month's digital edition of ShopOwner, featuring stories from Underhood Service! You can view the digital edition here (UHS content starts on page 73): https://bit.ly/466P7EJ

08/15/2025

Old-school battery charging methods can damage modern vehicles. ⚡ Learn where to connect clamps without bypassing the BMS. Watch: https://bit.ly/46OwXIO
This video is sponsored by Auto Value and Bumper to Bumper.

One of the first jobs many technicians had at a shop was to charge a battery inside of a vehicle. It was very simple – put the clamps for the charger over th...

08/14/2025

Your car’s owner’s manual isn’t just instructions — it’s the story of your vehicle. 📖 Learn how reading it can save money, prevent breakdowns, and make you the hero of your own maintenance saga. Watch here: https://bit.ly/4mc6s4U
Sponsored by Auto Value and Bumper to Bumper.

Want to build stronger customer relationships and increase trust in your service department? This video explores how service advisors can leverage the owner'...

08/13/2025

When one small issue meets another, problems “stack” — and the real failure might not be where you think. Here’s how tolerance stacking can take down an entire system. Watch here: https://bit.ly/45bc9Kt
Sponsored by Auto Value and Bumper to Bumper.

One of the most challenging diagnostic situations involves “stacking,” particularly the stacking of tolerances.In this video, Andrew Market explains the impo...

08/12/2025

You should probably rethink how you're approaching AC repairs. Here's a hint: it's probably not the refrigerant. https://bit.ly/4fwQVKA

08/01/2025

When GF-6 engine oils launched five years ago, they marked a turning point in oil technology, especially with the introduction of lower viscosity grades like 0W-16. Fast forward to today, and GF-7 is here—not just as an incremental update but as a significant evolution. For technicians, understanding the technical formulation and application of GF-7 oils is essential to ensure performance, reduce emissions and maintain fuel economy in today’s advanced engines.

Fore more, read our story here: https://bit.ly/4lLBAYe

07/30/2025

Like any vehicle, EVs are vulnerable to natural disasters like flooding. However, flooded electric vehicle safety presents unique challenges that differ from gas-powered cars. Watch the video for more: https://bit.ly/479AFwC
Sponsored by Auto Value & Bumper to Bumper.

Handling a flooded electric vehicle safely isn’t just about repairs—it’s about prevention. Technicians must treat each step with care. From de-energizing to ...

07/29/2025

Here are some tips for you to help educate customers and demonstrate the value of regular replacement.
https://bit.ly/4o85qbl
This video is sponsored by Auto Value and Bumper to Bumper.

Despite their presence in nearly every car built in the past two decades, many of your customers are probably unaware of cabin air filters or their significa...

07/28/2025

Misfire and drivability complaints with misfire codes is very common at your shop. But there’s one question that often gets left out. Find out what it is, and why you should ask it, in our video:

Misfire and drivability complaints with misfire codes is very common at your shop. What often gets left out is asking that customer, "how long has that misfi...

07/22/2025

Okay, here’s the situation: Your shop just sold new spark plugs on a vehicle that you’re working on. How do you do the job if the coils are either stuck on the plug or the connector will not release? Watch the video here to see: https://www.youtube.com/watch?v=q7XKwUN2czQ

07/21/2025

CV axle replacements might seem simple, but missing details like the C-clip or reusing an old axle nut can lead to major failures — even differential damage. Always double-check these critical steps to avoid costly comebacks and keep every repair solid.
👉 Watch the full video : https://youtu.be/5ng03pHZuls