Uscope - https://www.aeswave.com/uScope-Master-Kit-p9622.html 5V reference circuits cause some of the most confusing “multiple sensor failure” diagnostics in modern vehicles. In this video I break down what 5V reference is, why it’s 5 volts, how the ECM/PCM uses it to...
In this video, I break down how to perform a Relative Compression Test using an oscilloscope. This fast, non-invasive diagnostic method lets you check engine health without removing spark plugs. You’ll learn how to set up the test, connect a current clamp, record the...
Secondary ignition diagnostics are often overlooked in modern vehicles due to coil-on-plug systems—but the waveform still tells a powerful story. In this video, secondary ignition waveforms are captured and analyzed using an oscilloscope to reveal what is actually...
Today we’re rebuilding the rear brake calipers on a DeLorean — a job that solves common issues such as dragging brakes, uneven pad wear, sticking pistons, and handbrake imbalance. The DeLorean’s rear calipers have some unique design quirks, including the integrated...
Learn practical lab-scope workflows you can use today. We reinforce the basics with real-world tests: checking primary ignition current with a low-amp probe, verifying an entire bank of coils via the common power feed, reading fuel-pump current through a fuse-loop...
Everyone’s talking about how bad the automotive industry is right now — low pay, burnout, lack of respect, and technicians leaving the trade. But that’s only half the story. In this video, I talk about what’s really going on in the automotive world — and why it’s not...
Drive Belts Explained – What They Do and When to Replace Them – Belts are cooler than you think
I had way more fun making this video than I thought I would. I still have other things that I could talk about involving this topic. Your car’s drive belt powers essential components like the alternator, power steering, A/C compressor, and water pump. If it breaks, your vehicle can quickly overheat, lose power steering, or shut down completely. In this video, we explain what drive belts do, how to spot wear, and when to replace them.
🔧 You’ll learn:
What a drive belt (serpentine belt or V-belt) does
How to identify worn, cracked, or glazed belts
Symptoms of a failing belt: squealing, slipping, loss of power
Difference between serpentine belts and timing belts
How tensioners and pulleys affect belt performance
When to replace your drive belt (mileage and visual clues)
Why ignoring a belt issue can cause bigger engine problems
How a broken belt can damage the engine or leave you stranded
This is important info for owners of Subaru, Toyota, Ford, Honda, Chevy, Dodge, and more. Replacing a $50 belt now can save thousands later.
⚠️ Don’t wait for a tow truck—check your belt before it fails.
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👍 Like and comment if you’ve ever had a belt fail on you.
Check out Chris’ page – he is the one that made the tool in the video. / @fordtechchris
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