Diagnosing the Aftermarket A to Z

Matt Fanslow's Diagnosing the Aftermarket A to Z Podcast is a wide-open perspective on all aspects of the automotive aftermarket from a working diagnosticians' point of view. All topics and issues will be on the table.

  1. What Rob McElhenney Taught Me About Shop Management [E222]

    3 天前

    What Rob McElhenney Taught Me About Shop Management [E222]

    Thanks to our Partners, Pico Technology and Autel Watch Full Video Episode A random YouTube Shorts interview turns into a surprisingly sharp lesson in leadership. Matt shares a story from Rob McElhenney about working with Danny DeVito—and how DeVito’s humility and audience-awareness reveal something shop owners and managers can use immediately: collaboration beats ego, and if you want to reach a demographic (customers or employees), you’d better listen to them. Process matters. Culture matters. And the best people in any field tend to be the most open to input. Matt talks about: Rob McElhenney (It’s Always Sunny in Philadelphia, Wrexham co-owner, Ryan Reynolds connection)Working with Danny DeVito (also Taxi, Twins)The key moment: DeVito asks Rob what to say during an improv gap because:DeVito knows what’s funny to his generationBut Rob knows what’s funny to the target audienceSo DeVito wants direction to serve the project, not his ego The Big Takeaways Process matters more than outcomeThe “how” shapes culture, quality, retention, and long-term success.Great collaboration can be surprising—but it shouldn’t beEven top-tier people can be genuinely curious about your perspective.If you’re targeting a demographic, listen to that demographicMarketing, messaging, shop vibe, even hiring… all improve when you seek input from the group you want to attract.Openness is a leadership signalApproachable leadership reduces fear of dismissal/condescension and increases idea-sharing.Ego-check is good business“What’s best for the shop?” beats “what do I prefer?”Retention + recruiting bonusWhen employees feel heard and respected, they stay—and they tell others. Memorable Lines “You hired me to be the old guy… but you’re not going for my generation.”“Be a leader, not a dictator.”“Lesson number one: pay attention to YouTube Shorts… don’t just mindlessly scroll.” Thanks to our Partner, Pico...

    14 分鐘
  2. Mr. Baseball [E221]

    1月28日

    Mr. Baseball [E221]

    Thanks to our Partner, Pico Technology Watch Full Video Episode Matt uses the movie Mr. Baseball (Tom Selleck as Jack, an aging Yankees player traded to Japan) as an analogy for life in the automotive repair world—especially for veteran mechanical/technical specialists whose bodies start breaking down and whose production (and pay) can drop as a result. The core theme: your role can evolve from “hour-cranker” to leader/mentor, but that requires radical honesty, ego-checking, and intentional changes—from physical maintenance to skill expansion to management systems that properly reward wisdom. Key points & takeaways The “Mr. Baseball” analogy Jack believes he’ll dominate, but reality shows a hole in his swing and a body that’s not keeping up.His old talent used to hide the problem—until it doesn’t.The turnaround begins when he accepts reality, retrains, and recommits. Auto repair parallel: age vs. mileage It’s not always “age”—it’s the mileage, injuries, wear, and accumulated strain.As bodies degrade (knees, backs, shoulders, hips, neck), production drops, and pay plans tied heavily to output can punish experience. Ego check: redefining value When you can’t “crank hours” like you used to, value doesn’t disappear—it changes.Veterans often become natural leaders even if they don’t recognize or accept it.Leadership, mentoring, and stabilizing the team have real economic value—if the organization is willing to see it. Management responsibility Shops can’t afford to “cast blind eyes” to what veterans contribute beyond billed hours.The goal is optimizing the whole organization (the unit), not just individual output.If compensation and structure ignore mentoring/leadership value, the industry risks driving out the people who make everyone else better. Action steps for the veteran specialist Take care of the body: whatever works—massage, chiro, yoga, tai chi, mobility work, sleep/mattress upgrades, recovery habits.Expand skill sets into areas that are less physically taxing but high value (systems, diagnostics, workflow support, training others).Be honest and matter-of-fact about your limitations and your value—ask for role adjustments when needed. Culture shift Checking egos at the door isn’t weakness—it’s how...

    21 分鐘
  3. Bubbles Everywhere: Cavitation and the Cooling System [E220]

    1月21日

    Bubbles Everywhere: Cavitation and the Cooling System [E220]

    Thanks to our Partner, Pico Technology Watch Full Video Episode Matt goes down a rabbit hole on the science of bubbles and comes back with something surprisingly practical: cavitation is a major source of cooling-system component damage, especially in and around water pumps. The “bad guy” isn’t the bubble forming—it’s the bubble collapsing, releasing intense localized energy, micro-jetting, and shock waves that pit and erode metal surfaces over time. The takeaway: approach cooling-system maintenance as anti-cavitation prevention, not just “keep it from overheating.” Key topics covered Why cavitation damage is often misattributed to electrolysis (and what’s actually happening) The real destruction mechanism: Bubble collapse → extreme localized heat (doesn’t “cook” the system, but signals energy density)Micro-jet stream through the collapsing bubble “donut” → pitting/erosionShock wave effects (ties into why ultrasonic cleaning works) How bubbles form even in a pressurized cooling system Localized low-pressure zones behind an impeller bladePressure drops along surfaces and restrictions (design or contamination-caused) Why “radiator cap” is a misleading name Better term: degassing capIt maintains system pressure (key to preventing local boiling) and “burps” gas/vapor out Coolant chemistry isn’t just freeze/boil protection The inhibitor package forms a protective barrier on internal surfaces that absorbs cavitation attackOver time that protection depletes → cavitation damage shows up Water quality matters more than most people think Minerals/impurities can create deposits → restrictions → pressure drop zones → bubblesContamination can also become nucleation points for bubble formationDistilled/RO water or properly formulated premix is the safer play “Universal coolant” skepticism Use proper coolant type for the application—chemistry and inhibitor packages matter Practical takeaways for shops Start treating cooling-system service as evidence-based prevention Testing and inspection that should be part of regular maintenance: Degassing cap pressure test (rated pressure matters)Coolant concentration (ideally with a refractometer/hydro refractometer)li...

    20 分鐘
  4. Common Cause and Special Cause [E219]

    1月14日

    Common Cause and Special Cause [E219]

    Thanks to our Partner, Pico Technology Watch Full Video Episode Comebacks. Rechecks. Catastrophic parts failures. The stuff that makes everyone’s stomach drop. Matt makes the case that a big part of management’s day-to-day job is not “policing people,” but acting like an investigator—leading with genuine curiosity to figure out what actually happened and what should change. Using Dr. W. Edwards Deming’s framework, Matt breaks problems into two buckets: Common cause: Variation that’s built into the system (processes, tools, training, information flow, software, vendors, documentation, workflow chaos, etc.). These problems are repeatable—and if you don’t change the system, they’ll happen again.Special cause: A true one-off—rare, hard to predict, not systemic. Sometimes the correct response is support, not a giant policy overhaul. The goal: build trust, reduce fear, and improve the shop over time through “constancy of purpose”—not knee-jerk blame. Key Talking Points & Takeaways 1) Management’s role when things go wrong Be an investigator, not a prosecutor.Start with: What happened? Why did it happen? What made it easier to fail than succeed? 2) Deming’s lens: common cause vs. special cause Most problems are common-cause (system-driven), not “someone screwed up.”Mislabeling causes creates chaos:Treating common-cause problems like special-cause ones = scapegoating, fear, repeated failures.Treating special-cause problems like common-cause ones = overcorrecting, unnecessary rules, wasted effort. 3) Examples of common-cause “system” failures (shop edition) Torque wrench out of calibration.Scan tool software out of date / tooling gaps.No real shop management system (handwritten tickets, misreads, manual re-entry).Process interruptions / constant context switching.Cheap unknown parts sources creating avoidable risk.Lack of SOPs, training, or accessible info. 4) What a real special-cause looks like A normally reliable part fails unexpectedly (the one “bad water pump” out of hundreds).A rare freak mistake by a trusted specialist with no obvious systemic trigger.Response: support the person, document it, monitor trends—don’t build policy off a unicorn. 5) The trust factor li...

    19 分鐘
  5. The Part-Time Performer (And The Full-Time Lesson) [218]

    1月7日

    The Part-Time Performer (And The Full-Time Lesson) [218]

    Thanks to our Partner, Pico Technology Watch Full Video Episode This episode uses professional wrestling’s “part-time performer” phenomenon—stars who leave, come back, and instantly get the spotlight—to explore something that happens in auto repair, too: When a specialist has a reputation that brings cars through the door, the right move is to lean into it—not resent it. Key Talking Points & Takeaways 1) The Seth Rollins Quote Sets the Tone “If you’re not learning, then you’re stagnant… and the business isn’t progressing.”Matt frames growth as a requirement—not a nice-to-have—for both the individual specialist and the shop. 2) Wrestling 101: “Protecting the Business” vs. “Understanding the Draw” Matt revisits early WrestleMania and the idea of kayfabe (protecting the illusion) to explain a bigger concept: The “outsider celebrity” (like Mr. T back then) wasn’t about pride—it was about bringing eyes and money.Selling offense (“selling” = making it look like it hurts) is part of making the other person look legitimate. 3) The Modern Version: The Part-Time Star Problem Matt runs through the familiar cycle: A star goes to Hollywood or appears occasionally (Rock, Cena, Undertaker, Lesnar, Goldberg).They return and get major wins/titles.The full-time grinders feel slighted—until they see the business reason:Those names are draws. Draws bring revenue. 4) The Auto Repair Translation: The Specialist Who Brings Work In Here’s the pivot: In shops, you sometimes have that person:the alignment specialistthe drivability/diagnostics specialistthe transmission/differential rebuilderthe ADAS/calibration personthe accessory/TPMS/trailer/camper personCustomers don’t just ask for the shop… they ask for that specialist by name.Matt’s point: Don’t let ego or envy sabotage something that helps everyone. 5) “Lean Into It” (Instead of Getting Weird About It) Matt argues you should: Promote that specialist more, not less.Treat their reputation as an asset to the entire shop.Recognize what it actually

    22 分鐘
  6. A Lesson from  Parkway Drive: Diamonds That Choose to Stay Coal [217]

    2025/12/31

    A Lesson from Parkway Drive: Diamonds That Choose to Stay Coal [217]

    Thanks to our Partner, NAPA Autotech Training and Pico Technology Watch Full Video Episode Episode summary Matt Fanslow pulls a lesson from an unexpected place: a Parkway Drive studio story involving Killswitch Engage’s Adam D. The band tried to force a new sound—clean vocals mixed with screams—and it just wasn’t working. The fix? Stop trying to be a different band and lean into what already fits. Matt ties that directly into shop life: not every shop needs to work on every vehicle type or take every job, and not every person needs to be great at every kind of work. Whether it’s building around strong mechanical specialists, strong technical specialists, or choosing a narrower service lane, specializing on purpose can be the difference between surviving and thriving. What you’ll hear in this episode Why the “do everything” mindset can quietly punish shops (and people)A real example of pivoting back to core strengths (and winning bigger because of it)The difference between mechanical specialists and technical specialists—and why both are hard to findWhy “I can buy the tools” doesn’t automatically equal “we can do the work well”Checking ego at the door: success doesn’t require being everything to everyoneA nod to “reverse benchmarking”: build your identity around what others don’t do well Key takeaways (shop + career) Specialization isn’t weakness. It can be the most rational way to deliver consistent quality.Tools and information don’t replace capability. They support it—if the people and processes are there.Staffing reality matters. If you don’t have the right mechanical specialist or technical specialist, forcing the work in-house can be painful.You can evolve later. Being “not that shop” today doesn’t mean “never”—it can mean “not yet.”Identity beats imitation. Trying to match someone else’s “genre” can pull you away from what you’re actually great at. Bands / people / references mentioned Parkway Drive (story + recommendation)Killswitch Engage (Matt’s favorite band)Adam D (KSE) and his influence in the studio momentHoward Jones / Jesse Leach (KSE vocalist history)Slipknot (clean vs scream evolution reference)Tour mentions: Summer of Loud (as described), plus bands like The Devil Wears Prada, I Prevail, Beartooth (as mentioned)Sports analogy: Tampa Bay Buccaneers run-heavy approach (and leaning into...

    15 分鐘
  7. What is the Most Misunderstood Concept in Auto Repair? And More: December 2025 Mailbag [E216]

    2025/12/24

    What is the Most Misunderstood Concept in Auto Repair? And More: December 2025 Mailbag [E216]

    Thanks to our Partner, NAPA Autotech Training and Pico Technology Watch Full Video Episode Matt digs into listener-submitted questions—starting with a deceptively simple one that “freaks him out”: what’s the most misunderstood concept in auto repair? From there, the episode becomes a guided tour through the gray area between knowing what’s true and knowing what’s useful. He revisits a frequent offender in the misinformation world: catalytic converter diagnostics, particularly the old “switch rate” concept, and why it’s fundamentally flawed, even when it appears convincing on a scan tool. From there, Matt zooms out into bigger “how-the-universe-works” territory—magnetism, electric fields, and why some of the most fascinating truths about energy flow will probably never help you fix a car (but are still worth thinking about). The back half of the episode shifts into personal updates (family health), a few fun holiday questions (favorite Christmas movies), an unexpectedly intense movie rant (Thor’s Endgame arc), and a grounded-but-honest take on the future of EVs and hybrids. Topics Covered The hardest balance in teaching and learning: accuracy vs. applicabilityWhy most misinformation in training/resources is usually unintentionalCatalytic converter misconceptions:Why “post-cat O2 switch rate” is a bad diagnostic foundationWhy scan tool graphs can mislead you even when they “look right”What really matters before condemning a converter (fuel control, exhaust leaks, sensor accuracy, updates, airflow modeling inputs)Why OEM catalyst monitoring relies on oxygen storage capacity (OSC)—and why it’s not the same as true conversion efficiencyA brief detour into physics for the curious:Magnetism as an effect tied to moving charge (and why special relativity can explain part of it)The “energy comes from the field” idea—and why it’s fascinating even if it doesn’t help bay workEGR follow-up: throttling losses, flame speed, and thermal efficiencyPersonal Q&A: updates on Matt’s dad’s recovery and implanted defibrillator; Danielle’s long recovery arcHoliday lightning round: favorite Christmas moviesMovie plot that frustrates Matt most: Thor from Ragnarok → Endgame (and why “Fat Thor” was mishandled)EV future: energy density limits, why hybrids may remain the practical middle ground, and where hydrogen might fit Key Takeaways “What looks true” on a scan tool isn’t always what the monitor is actually judging.Catalyst diagnostics are more systems-based...

    33 分鐘
  8. Shop Local [E215]

    2025/12/17

    Shop Local [E215]

    Thanks to our Partner, NAPA Autotech Training and Pico Technology Watch Full Video Episode In this episode, Matt shares a post he wrote after seeing yet another wave of “Who’s the most affordable?” questions in a local community group. He breaks down the hidden cost of chasing the lowest price, explains the local multiplier effect, and uses behavioral economics and game theory to show why short-term savings can create long-term pain—especially in auto repair. Matt also makes the case for educating employees on how small businesses really work, why ethical profit matters, and how small choices can preserve local options for your future self. Key themes Why “most affordable” has become the default question in local recommendation threadsThe idea that every purchase has two prices: the invoice amount and the impact on the local systemLocal businesses as a “local multiplier”: wages, suppliers, sponsorships, taxes, and reinvestment staying nearbyThe trap of short-term savings: hyperbolic discounting, loss leaders, and loss aversionAuto repair reality check: low prices can shift costs into warranty travel, time loss, and future headachesGame theory framing: a repeated prisoner’s dilemma—individual “defections” (price-chasing) add up to fewer local optionsThe skilled-trade value problem: cars depreciate while homes/buildings appreciate, shaping perceived worth of the work“Profits aren’t evil”: ethical profit as doing what you said you’d do, for what you said you’d do it forThe case for educating employees on business economics so they understand pricing, margins, and sustainabilityPractical compassion: offering to cover card swipe fees and understanding why local goods can cost more Memorable lines “Every purchase has two prices: the number on the invoice, and the impact on the system you live inside.”“The long-term consequences are invisible… until they’re painful and hard to reverse.”“Time—by far our most valuable asset.”“Residents and local businesses behave a lot like a repeated prisoner’s dilemma.”“Profits aren’t evil. I believe in ethical profit.” Audience takeaway If you always optimize for the cheapest option, you may “win” today but collectively lose tomorrow: fewer trusted local providers, fewer skilled jobs, and less community resilience—especially in specialized services like auto repair. Thanks to our Partner, NAPA Autotech Training NAPA Autotech’s team of ASE Master Certified Instructors are conducting over 1,200 classes

    20 分鐘
4.8
(滿分 5 顆星)
17 則評分

簡介

Matt Fanslow's Diagnosing the Aftermarket A to Z Podcast is a wide-open perspective on all aspects of the automotive aftermarket from a working diagnosticians' point of view. All topics and issues will be on the table.

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