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Shop Owners and Techs MUST Communicate Better | Lucas Underwood

Shop Owners and Techs MUST Communicate Better | Lucas Underwood

The Jaded Mechanic Podcast Feb 24, 2026 86 min
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About this episode

The conversation dives into the critical need for better communication between shop owners and technicians, highlighting challenges with service information accuracy and the complexities of modern vehicle repairs like ADAS calibrations. The discussion emphasizes the importance of humility and collaboration in the industry, the frustrations with incomplete or confusing service data, and the financial pressures shops face balancing costs, technician pay, and subscription fees for multiple OEM information systems. Real-world examples illustrate how miscommunication and reliance on flawed data can impact safety and profitability.

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Technical Too Afraid to Ask
Term

service information

"Yeah, I'm like, motherfer, this friggin' one service information system, dude. ... And he said that according to the service information that we have, it doesn't have to be calibrated. ... Guess what? In the procedure it says remove bumper and reinstall bumper. Doesn't say anything about calibrating anything."

Service information is the official instructions from car makers that tell mechanics how to fix and take care of cars the right way.

Concept

shop coaching

"Bob Cooper started— I, I don't know that he started, but Bob Cooper ran Elite. Okay. And Elite was kind of like one of the original coaching companies with ATI and the others. And they— the Elite was, buddy, back in the heyday— and they— Darren Barney runs it now, it's a really good operation— but back in the heyday, it was like the crème de la crème."

Shop coaching is when experts help car repair shop owners and workers learn how to run their business better and fix cars well.

Concept

static vs dynamic calibration

"And so they're big into like, hey, are we going to have static? Are we going to have dynamic? What is this going to look like? We know it's going to get more advanced, there's no way it's getting less advanced."

Static calibration means fixing the car's safety systems while it's parked, using special tools. Dynamic calibration means fixing them while driving the car to make sure they work right on the road.

Concept

ADAS calibrations

"And when we did the— like, we did a pre-panel meeting on the things that we're going to talk about on the shop owner panel, and we start talking about ADAS calibrations because that's a big thing for them, right? Like, where's the future of this going?"

ADAS calibrations mean fixing and checking the car's safety helpers after fixing the car so they work right. These helpers include things like keeping the car in its lane or helping with braking.

Term

seat weight sensors

"How many times we take a seat out of a car and now with active seat and who, who bothers to calibrate the seat weight sensors again? No one."

Seat weight sensors tell the car if someone is sitting in the seat and how heavy they are. This helps the car decide if airbags should be turned on or off.

Term

power seat circuit

"We're talking about a power seat circuit that doesn't exist in Proton. It would exist in the OE. And I, I said, we hope it would."

The power seat circuit is the electrical system that moves the car seat around when you press buttons. It needs wires and fuses to work properly.

Car

Chevrolet Silverado

"Brian Pollock talked to me about a GM versus a Silverado thing, like a Chevrolet versus a GMC truck and headlight circuits and stuff."

The Chevrolet Silverado is a big truck that people use for work and hauling. It's similar to the GMC Sierra truck.

Car

Volkswagen Bus

"... pro demand not to throw one particular under the bus, but we'll just use the example talking about yes..."

The Volkswagen Bus is a big, box-shaped van that was popular a long time ago. People liked it because it could carry lots of stuff or people and had a fun, easy-to-recognize look. It's famous because many people used it for trips and adventures.

Car

GMC Sierra

"Brian Pollock talked to me about a GM versus a Silverado thing, like a Chevrolet versus a GMC truck and headlight circuits and stuff."

The GMC Sierra is a large truck like the Chevrolet Silverado. They are made by the same company but look a bit different.

Term

VIN

"I learned a long time ago, you put the VIN in. You don't just go 2022 whatever and trim line and guess and all that kind of stuff. I put the VIN in, that should then break it down to me at all the levels that I need."

A VIN is like a car's fingerprint. It helps mechanics know exactly what kind of car they are working on so they can fix it the right way.

Car

Volkswagen Rabbit

"...ower seats instead of one. I went down a complete rabbit hole because I'm trusting the service information..."

The Volkswagen Rabbit is a small car that was sold in the U.S. a long time ago. It was known for being easy to drive and saving gas. People talk about it when they need help fixing or understanding how its parts work.

Part

ECM connector

"I'm telling you, and I got, I got burned on the Cummins a while back. It was an ECM connector."

The ECM connector is like a plug that connects the engine's computer to the rest of the truck, helping it control how the engine runs.

Concept

split year

"And it was a split year. Now I've worked on those trucks for years. Yup. Right. And it just so happened that I'd never been across this one that was like right here at this bastard year."

Sometimes a car or truck changes a little bit during the year it’s made, so the early ones and later ones can be different even though they have the same year.

Term

shop gross profit

"And so the standard number is the shop has to make 60% gross profit."

It’s the money a repair shop makes after paying for the parts and paying the workers but before paying for things like rent or bills.

Term

shop net profit

"And if the shop makes 60% gross profit, then, you know, ideally you got 20% net profit."

It’s the money a repair shop actually keeps after paying all bills, rent, and other costs.

Concept

P&L (Profit and Loss statement)

"And those are on my P&L, and they go down to the bottom. The last number at the bottom is net profit."

A P&L is a report that shows how much money a business made and spent over time to see if it earned or lost money.

Concept

loan servicing

"Now, everything isn't on that P&L, right? Like, I have loan servicing. Now, interest expense is in there, but on that P&L, it's not saying, hey, you repaid the loan."

Loan servicing means paying back money borrowed, like a loan, which can affect how much money a business really has.

Term

Xentry

"...the OE level script for Mercedes is higher than the one for— yeah, buy that Xentry, baby. No."

Xentry is a special computer program that helps mechanics check and fix Mercedes-Benz cars by talking to the car's computer.

Term

IRA

"You start when you're 17, 18, 19 years old. You open a 401(k) and IRA, or, you know, if you work for a business, a 401(k). If you're on your own, you start a simple IRA and you start putting money back."

An IRA is a special savings account you open yourself to save money for when you stop working. It helps you pay less tax on the money you save.

Term

401(k)

"If you're in the States or Canada, the system is rigged. You're going to have to work really hard to get enough money to retire. And you want to know how you get enough money to retire? You start when you're 17, 18, 19 years old. You open a 401(k) and IRA, or, you know, if you work for a business, a 401(k)."

A 401(k) is a special savings account for retirement that helps you save money without paying taxes on it right away. Many people use it to save money from their jobs.

Term

HSA accounts

"They get smart about tax-advantaged accounts, things like HSA accounts, things like brokerage accounts."

An HSA is a special bank account where you can save money to pay for doctor visits and medicine. It also helps you save money on taxes.

Term

brokerage accounts

"They get smart about tax-advantaged accounts, things like HSA accounts, things like brokerage accounts. They invest, they don't spend money they don't have..."

A brokerage account is a special account where you can buy and sell pieces of companies or other investments to try to make money.

Car

Chevrolet Volt

"...at all I had to take for this say okay, so here's volt drop and here's you know, fuel trims and all this..."

The Chevrolet Volt is a car that uses both electricity and gas to help you drive farther without stopping to refuel often. It starts by running on electricity and switches to gas when the battery runs low. People talk about it because it saves fuel and has special parts that need checking sometimes.

Term

flat rate

""Like, you don't talk about flat rate, you need to talk about this more. And I'm like, I don't talk about flat rate. We're at 200 episodes almost, and it's 195 of them are bitching about flat rate.""

Flat rate means mechanics get paid a set amount for fixing something, no matter how long it actually takes. This way, the price is clear and mechanics can work faster if they want.

Brand

Subaru

""Mr. Subaru for everybody. That's it. Mr. Speeding Ticket now, you know...""

Subaru is a car company from Japan that makes cars with special features to help them drive well in all kinds of weather.

Term

oil leak evaluation service

"So we recommended a $300 oil leak evaluation service to wash the entire engine, and then we recommended a valve cover."

This service checks the engine to find where oil might be leaking and cleans it to see the problem better.

Part

valve cover

"We, um, we had a valve cover on a Toyota that was spraying oil out of it. So we recommended a $300 oil leak evaluation service to wash the entire engine, and then we recommended a valve cover."

The valve cover is a part on top of the engine that keeps oil inside and stops it from leaking out.

Term

crankcase pressure

"Maybe we should take the oil cap out and see if we have excessive crankcase pressure."

Crankcase pressure is the pressure inside the engine where the oil is. If it gets too high, it can cause oil to leak out.

Car

Chevrolet Cruze

"I hope you have a wonderful evening. I love you too. Yeah, it's, it's just doing Chevy Cruze stuff is all it's really— that's it, that's it."

The Chevrolet Cruze is a small car that many people drive because it uses gas well and is easy to drive.

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