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Ron Ananian, The Car Doctor - March 28, 2026 - Hour 1 - A $3 Part, a $5,000 Fix & The Moving Target of Auto Repair

Ron Ananian, The Car Doctor - March 28, 2026 - Hour 1 - A $3 Part, a $5,000 Fix & The Moving Target of Auto Repair

Ron Ananian The Car Doctor Mar 28, 2026 34 min
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About this episode

Ron Ananian kicks off with a shop story about a “freeze-out plug” (really a core plug) on a customer’s van—highlighting how correct crush fit matters and how parts availability has changed. He then contrasts a straightforward Honda EVAP purge-valve repair with the real challenge: verifying the fix using factory-level scan tools/software, since generic scan results can be misleading. Calls follow: one about a Toyota Venza alarm triggering intermittently (likely hood-latch/immobilizer-related, testable via parasitic draw), and another about whether it’s smarter to repair older cars versus buying new amid parts scarcity and rising tech complexity.

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Technical Too Afraid to Ask
Company

eBay

"But on eBay, behind every car and part is a story waiting to be shared. I read about this guy who bought a 2020 Porsche Cayman that was well-loved."

eBay is a website where people sell things to each other. Here, it’s being used as a place to find car parts for repairs and rebuilds.

Term

freeze out plug

"And I said, shouldn't the freeze out plug have 10 to 15,000 crush? ... The freeze out plug, in case you don't know, is that metal disc or puck on the side of the engine block that they push in."

A freeze-out plug is a small metal piece pressed into the side of an engine block. It helps seal a hole in the engine so coolant/oil doesn’t leak out. If it starts leaking, it may be replaced.

Concept

casting sand

"... the idea that they had a core plug, that hole in the side of the block, is to remove the casting sand when they manufacture the block."

When an engine block is made, manufacturers use sand molds to create the inside passages. After the metal is poured and the block is formed, that sand has to be removed, and the holes left behind are sealed with plugs.

Term

screw in

"the core plugs were screw in. I never knew that, that's kinda fascinating, right? He said he's more likely to see a screw in, you know, in the race department that he's in, than a push in."

Instead of being pressed in, some plugs are screwed into the engine block. That can make them easier to service and help them seal properly.

Brand

GM dealer

"I called up my local GM dealer, I've got a great relationship with Dennis."

A GM dealer is an official General Motors service and parts shop. The point here is that the speaker tried to get a specific engine plug through the dealer.

Term

swing an engine

"He said, we would be more inclined to swing an engine [330.1s] than put a freeze out plug in something. [332.3s] And that sort of blew my mind"

“Swing an engine” means the shop plans to replace the whole engine instead of fixing one small part. It’s usually done when the exact repair parts are missing or too hard to source.

Company

Pioneer Automotive

"He says, I would order it from Pioneer Automotive, aha. So now we're getting to the, we look up Pioneer Automotive..."

They’re saying Pioneer Automotive sells the part they need. Instead of relying on a dealership, you can often find the right engine part from specialty aftermarket companies.

Part

oil pan

"I ordered an oil pan. I don't need one, but I just wanted to have one. I ordered a brand new oil pan for a small block Chevy."

The oil pan is the part at the bottom of the engine that holds the engine oil. If it leaks or gets damaged, the engine can lose oil, so it may need replacing.

Term

micrometer

"Freeze out plug came, took it out of the wrapper and measured it. Now, an inch and five eighths freeze out plug, if you measure it with a micrometer, should measure 1.625,"

A micrometer is a tool for measuring very small distances very precisely. Here, it’s used to check the plug size so it will fit and seal correctly.

Concept

damaged in shipping

"And except for the fact that one of the rails had a slight bend to it, it got damaged in shipping, which I can straighten on a block on the vise, on the bench, that'll be no problem."

Sometimes parts get bent or damaged while they’re being shipped. If that happens, the part might not fit correctly on the car, which can cause leaks or other problems. Checking the part before installing it can save a lot of trouble.

Company

snap-on Triton

"I fire up my snap-on Triton, my snap-on scan tool, and I run the test."

Snap-on Triton is a professional computer tool a mechanic plugs into the car. It helps read trouble codes and run tests to see what’s wrong.

Company

Opus

"So I broke out my Opus. Opus scan tool, all right, Opus IVS, as we call it, has the ability to download factory software, and I called up Opus."

Opus is a diagnostic tool the mechanic uses to talk to the car’s computer. In this case, it’s described as being able to access manufacturer software and run official-style tests.

Term

scan tool

"Opus scan tool, all right, Opus IVS, as we call it, has the ability to download factory software, and I called up Opus. I had them install the Honda HDS tool on my scan tool and run the test."

A scan tool is a device that plugs into the car and reads what the computer is seeing. It helps the mechanic confirm what’s wrong and whether the fix actually worked.

Term

key fob

"She bought the batteries and had her mechanics put them in the key fob. So what's happening is the alarm system, when I electronically lock the car, is going off intermittently."

A key fob is the remote you use to lock and unlock your car. If its battery is weak or it’s not working right, the car can think something is wrong and trigger the alarm.

Term

door latch

"[1015.5s] I'm having a problem where I can't find parts. [1017.6s] I need a door latch, but that's a different story. [1019.3s] So I can relate to this problem 100%."

The door latch is what actually holds the door shut. If it’s worn out or not reporting correctly, the car may think the door isn’t closed, and that can trigger the alarm.

Term

immobilizer module

"I want to look in particular at the immobilizer module, which is the anti-theft. All right."

The immobilizer is the car’s anti-theft system. If it doesn’t recognize the key, the car may refuse to start.

Term

fault code

"a B as in Baker 2795, a B as in Baker 2799 fault code stored. I'm looking to see is there's something indicative of which circuit is at fault."

A fault code is like an error message stored in the car. It helps point to what part or system is causing the problem.

Concept

record codes before I disconnect anything

"And I want to record codes before I disconnect anything."

Before unplugging anything, the mechanic writes down the error codes. That way, if unplugging clears the errors, you still have a record of what the car reported first.

Term

alarm will no longer set

"[1088.1s] I want to disconnect the hood latch, [1091.1s] the electrical portion. [1092.8s] The alarm will no longer set."

“Will no longer set” means the alarm won’t turn on. During troubleshooting, that helps confirm which part is connected to the alarm problem.

Term

parasitic draw test

"And then I just want them to do a draw test. [1098.2s] So it's asking them to do a parasitic draw test where he's just going to, you know, [1100.5s] and this is probably an hour's worth of shop time,"

This test checks if your car is secretly using power even when it’s off. If it’s pulling too much current, it can drain the battery.

Term

alarm should no longer go off

"[1131.5s] Well, I'm sorry. [1132.6s] The alarm will no longer arm, [1134.3s] but the alarm should no longer go off. [1137.6s] Okay."

“Go off” means the alarm actually starts screaming or alerting. They’re saying the goal is to stop false alarms, not just to change whether it arms.

Term

hood latch

"you probably have a bad hood latch. ... You know, then we can go and maybe run some tests on that hood latch or find out what current pricing is and perhaps replace it."

The hood latch is the mechanical latch that secures the hood, and many cars also have an electrical switch that tells the alarm/anti-theft system whether the hood is properly closed. If the latch switch or wiring fails, the alarm can behave incorrectly or trigger unexpectedly.

Term

remote start

"as long as remote start still functions, which it should, then, you know, leave it as is."

Remote start lets you start the car without getting in. The speaker is saying that even with the hood latch disconnected, the car should still be able to remote start.

Term

wiring harness

"I felt bad for the guy and I told them, you know, your fault is likely in the wiring harness and I proved why. [1848.3s] Okay."

Think of it like the car’s electrical “cable bundle.” If it’s damaged, parts of the car may act up or stop working until the wiring issue is fixed.

Term

antifreeze

"When I called my Jeep dealer three weeks ago and I ordered antifreeze for the shop because we stocked Chrysler coolant. [1864.7s] We stock a lot of a week fluids and coolants at the shop from various manufacturers."

Antifreeze is part of the car’s cooling system. It keeps the engine from freezing in cold weather and helps protect against corrosion.

Concept

ready availability of parts

"Can we, you know, what's the ready availability of parts that they produce enough of them that you stuff is going to be out there? Is there decent aftermarket replacement for it?"

“Ready availability of parts” means how quickly replacement components can be sourced. When parts are hard to find, repairs take longer and may cost more due to delays, special ordering, or higher pricing.

Company

Poshmark

"Plus, every item over $500 goes through Poshmark's authentication process. So you can shop high-end with total confidence."

Poshmark is a website/app where people sell clothes to each other. They also check certain expensive items to help you feel more confident you’re getting what’s advertised.

Company

KNIX

"That's KNIX. A wireless bra that finally delivers real lift and all-day comfort."

KNIX is the company making the bra they’re recommending. They’re saying it’s wireless and comfortable.

Term

wireless bra

"A wireless bra that finally delivers real lift and all-day comfort. The secret? Molded cups with a built-in foam panel..."

A wireless bra doesn’t have the stiff wire under the cups. The pitch is that it’s more comfortable while still giving support.

Part

checked the oil

"[2334.0s] And you know that we checked the oil, we did the windshields, [2338.2s] and the girls had short skirts, so we rubbed a hole in many windshields."

Checking the oil means making sure your engine has the right amount of clean oil. If it’s low, the engine can wear out faster.

Term

gas shortage

"We loved working during that shortage because after we closed and the lights went out, [2391.7s] we got to fill up our cars."

A gas shortage means there wasn’t enough fuel for everyone. People had to wait longer or find fuel at certain times, and that affected how cars were used and serviced.

Concept

driving instructor

"I really enjoyed his comment about teaching young people to drive. And I thought it was so spot on... if you're teaching young people to drive, hire a driving instructor."

A driving instructor is someone trained to teach people how to drive. The idea here is that parents’ advice doesn’t always get through, but a professional can teach safer habits in a way that actually sticks.

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