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In Studio Talking Cars and Car Repairs It's Under The Hood

In Studio Talking Cars and Car Repairs It's Under The Hood

Under The Hood show Dec 14, 2025 47 min
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About this episode

Russ and Shannon dive into a variety of automotive topics, including a class action lawsuit against GM regarding issues with the 6.2-liter engine in newer Silverados and Escalades. They also troubleshoot listener calls, offering insights on problems with a Ram truck's starting issues, a 1995 Blazer's intermittent failures, and a 2017 RAV4's water leaks. The episode features practical advice, including how to diagnose power steering noises and the importance of proper maintenance for classic vehicles. Notable guests from Berkeley One Classics join to discuss collector car insurance.

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Technical Too Afraid to Ask
Company

Berkeley One Classics

"by Berkeley One Classics, your key to collector car insurance"

Berkeley One Classics helps people insure their old or rare cars so they’re protected if something happens to them.

Company

car-part.com

"by car-part.com, over 200 million recycled originally climate use parts ready to ship to you fast"

car-part.com sells used car parts so people can fix their cars without buying brand-new pieces.

Company

roadreadywheels.com

"by roadreadywheels.com, use the code hoody to save even more on your aftermarket OEM look-alike wheels"

roadreadywheels.com sells replacement wheels that look like the original ones on a car, but usually cost less.

Concept

recall

"We're talking about the 6.2 liter recall on the, well, basically-"

A recall means the car company says some cars might have a problem and they want to fix it for free.

Car

Suburban

"22 and newer Silverados and Suburbans"

The Suburban is a big car that can seat many people and carry lots of stuff, made by Chevrolet.

Car

Silverado

"22 and newer Silverados and Suburbans"

The Silverado is a big truck made by Chevrolet that people use for hauling heavy stuff.

Car

Cadillac Escalade

"[105.2s] and Escalades with the 6.2 liter engine. [107.8s] And that's just what we're referring to."

The Escalade is a big luxury SUV made by Cadillac, which is part of GM. It’s popular for its size and comfort.

Car

Dodge C-3000

"And then they put new sensors on each side of the caddy or new sensors and then they found a ground missing from the battery to the chassis"

The Dodge C-3000 is a big van that people use for moving stuff or towing trailers. It’s called the Caddy by many drivers.

Part

catalytic converter

"[292.3s] the sensors on both sides of the Cadillac Converters, [294.6s] is that what you were talking about? [295.9s] Probably the oxygen sensors upstream and downstream?"

A catalytic converter is a part of your car’s exhaust that helps reduce pollution by turning bad gases into cleaner ones. It’s usually located near the engine and is essential for meeting emissions standards.

Part

oxygen sensor

"[294.6s] is that what you were talking about? [295.9s] Probably the oxygen sensors upstream and downstream?"

An oxygen sensor is a small device that checks how much oxygen is in the exhaust gases. The car uses this information to decide how much fuel to add, keeping the engine running efficiently and cleanly.

Part

Cadillac Converter

"[329.7s] You know, the first thing I think of [331.7s] that comes to mind is the Cadillac Converter"

It's a part that helps the car’s engine connect to its gearbox so the car can start and move. Without it, the engine might turn over but the car won’t go anywhere.

Part

spark plug

"just unscrew them like a spark plug, both of them."

A spark plug is a tiny part inside the engine that helps start the car by making a small electric spark. Without it, the engine can’t fire up.

Part

fuel pump

"You can turn the fuel pump on to do some testing,"

The fuel pump is a small device that pushes gasoline from the tank into the engine so it can run. Without it, the car won’t start.

Term

air relief

"That air relief that you give it should be enough to make it start."

It’s like giving the car a little breath of air so it can start running smoothly after you’ve fixed an exhaust problem.

Car

Corvette

"He's got some Corvettes. They wouldn't necessarily be a classic."

A Corvette is a fast American sports car made by Chevrolet. It’s famous for its sharp looks and strong engines.

Car

92 Buick Roadmaster

"[862.0s] Scott from North Carolina has got a 92 Buick Roadmaster."

The Buick Roadmaster is a big, comfortable car that was made in the United States. The 1992 version has a roomy inside and looks like older classic cars.

Part

strut

"I think that that strut that holds the glass up has failed"

A strut is like a springy arm that holds up part of the car’s body and helps it stay steady on rough roads. When it breaks, that part can fall or wobble.

Car

1973 Ford Country Squire

"[1071.4s] He loves the wagon, so we wanna keep it on the road [1074.0s] and he grew up in a, we have a 73 Ford country sedan [1079.8s] based on 429 in it that's gonna need to rebuild"

The Ford Country Squire is a big, roomy wagon from the 1970s. It’s popular among collectors because it looks like a classic American car and can be driven on the road today.

Term

agreed value coverage

"and that coverage is agreed value coverage. So there's no disagreement on what your vehicle is covered for."

With this coverage, you and the insurance company decide how much your car is worth. If it gets damaged or stolen, you'll get that exact amount back, not a lower value based on how old it is.

Concept

OEM wheels

"New OEM wheels can be expensive with some wheels that cost 500 or more from the dealer."

OEM wheels are the same ones that were installed on the car when it left the factory. They fit exactly and work with the car’s brakes, tires, and suspension.

Car

1995 Dodge Blazer

"[1512.3s] with a 95 blazer."

The Blazer is a type of SUV that was sold by Dodge in the late 1980s and early 1990s. In 1995, it was basically the same car as a Jeep Cherokee but sold with Dodge branding.

Part

distributor cap

"[1548.1s] wire set, distributor cap, rotor, fuel filter, [1552.5s] manifold pressure sensor."

It’s a small cover that sits on the engine and sends spark to each plug at the right time.

Part

rotor

"[1548.1s] wire set, distributor cap, rotor, fuel filter, [1552.5s] manifold pressure sensor."

It spins inside the distributor and pushes spark to the right plug as the engine turns.

Part

fuel filter

"[1548.1s] wire set, distributor cap, rotor, fuel filter, [1552.5s] manifold pressure sensor."

It’s a small screen that cleans the fuel so nothing dirty gets into the engine.

Part

manifold pressure sensor

"[1552.5s] manifold pressure sensor. [1555.8s] And he also had tested the fuel pump"

It tells the car’s computer how much air is going into the engine so it can mix fuel properly.

Term

spark tester

"you're gonna wanna get a spark tester and any auto parts store is gonna have that"

A spark tester lets you see if your car’s engine is getting the electric spark it needs to start. It plugs into a spark plug and shows if there’s power.

Part

transmission lines

"Transmission lines started leaking"

Think of transmission lines as the tubes that move fluid inside your truck’s gearbox. If they leak, the machine can lose power and get damaged.

Part

heat exchanger

"the heat exchanger on the side of the block where coolant goes in and warms up the transmission"

A heat exchanger is a small component that helps keep your car’s transmission from getting too hot by moving heat from the engine coolant to the transmission fluid. It’s like a tiny radiator inside the car.

Concept

Goose Neck trailer

"I have a Goose Neck trailer and I haul tractors around."

A Goose Neck trailer is a small, simple trailer that you can pull with a truck. It has a short hitch that looks like a goose’s neck, making it easy to turn and park.

Term

trans temp

"And so I have a trans temp on the truck that I can monitor,"

‘Trans temp’ is the temperature inside a car’s transmission. Keeping it from getting too hot helps avoid engine damage.

Part

transmission cooler

"It would have a large transmission cooler mounted out in front of the cooling stack and in front of the radiator there to cool that down."

The transmission cooler is a small device that cools the fluid inside your car’s gearbox, preventing it from getting too hot and breaking down.

Part

radiator cooler

"I would most definitely get a larger cooler on it and put up there. My truck does not have a radiator cooler to warm up the coolant."

A radiator cooler is a part you can add to a car’s cooling system. It helps keep the engine from getting too hot, especially when you’re driving in very warm weather or doing a lot of hard work with the truck.

6 cars featured

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