#2626: Rats!
The Best of Car Talk
The Best of Car Talk Mar 31, 2026
#2626: Rats!

#2626: Rats!

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39:13
#2626: Rats!
Company

eBay

eBay is a website where people sell things to each other. Car folks use it to find used parts and sometimes whole cars, but you have to double-check listings carefully.

Brand

Aston Martin

Aston Martin is a luxury/exotic car brand mentioned as an example. Parts for cars like this can be harder to find and more expensive, so online marketplaces can help.

Brand

Toyota

Toyota is a car brand mentioned as an example of what you can find parts for. Because Toyota is so common, parts are often easier to locate.

Concept

conversion units

They’re talking about changing measurements from one unit to another. For cars, this comes up a lot because different places report things differently (like miles vs kilometers or pounds vs kilograms).

Term

spark plug wires

Spark plug wires carry electricity to the spark plugs. If they don’t stay firmly connected, the engine can start misfiring, especially when you accelerate.

Term

spark plugs

Spark plugs are what create the spark that lights the fuel in each cylinder. If they’re not installed right, the engine can run rough or not make power.

Part

gasket

That gasket is a small seal that sits between the spark plug and the engine. If it’s missing or not installed right, the engine can leak gases and run badly.

Part

cracked exhaust manifold

The exhaust manifold is part of the engine’s exhaust system that gathers the exhaust gases. If it cracks, exhaust can leak out, making the car louder and possibly causing heat problems.

85 Chevy Celebrity
Car

85 Chevy Celebrity

This is a Chevrolet Celebrity from 1985. The caller’s car has a cracked part in the exhaust system, and they’re trying to decide whether it’s worth fixing.

Term

steel manifold

Some exhaust manifolds are made of steel. Steel can sometimes be welded, which may be a cheaper repair than replacing the whole part.

Term

cast iron manifold

Some exhaust manifolds are made from cast iron, which is good at handling heat. But it can still crack over time as the engine heats up and cools down.

Term

welded

Welding means melting and joining metal to fix the crack. For exhaust parts, it can work, but the repair has to handle very high heat.

Concept

labor

Labor is what you pay the mechanic for their time. Exhaust work can take longer than you’d expect, so labor can be the biggest part of the bill.

Term

exhaust gases

Cars make exhaust gases when they burn fuel. Normally they go out the tailpipe, but if something leaks, the fumes can get into the area where you breathe.

Term

firewall

The firewall is the wall that separates the engine compartment from the inside of the car. If fumes find a path through openings, they can get into the cabin.

Term

brake pedal

The brake pedal is the driver’s input that starts the hydraulic braking system. If it goes “almost to the floor,” it usually points to air in the system, low fluid, a failing master cylinder, or a problem with hydraulic pressure.

Term

tire balance

Tire balance is the process of matching weights to the wheel/tire assembly so it spins smoothly at speed. If a tire is not balanced (or is balanced incorrectly), it can cause shaking that can excite other components, including the brake rotor and caliper behavior described here.

Term

brake pad

Brake pads are the parts that squeeze onto the spinning disc to slow the car down. If they’re not close enough at first, the pedal can feel like it goes too far before braking happens.

Term

lunge forward

A “lunge forward” means the car jerks as you shift into Park. That usually points to the automatic transmission not locking correctly right away.

Term

front wheel drive

Front-wheel drive means the engine’s power goes to the front wheels. Because of how the drivetrain is laid out, worn engine supports can show up as rocking or jerking more noticeably.

Term

torque strut

A torque strut is a support link that helps hold the engine in place. If the rubber bushing inside gets worn out, the engine can move more than it should, and the car may jerk or rock when you shift or come to a stop.

Term

dog bone

“Dog bone” is a nickname for a shaped engine support link. It’s called that because it looks like a dog bone, and the speaker says mechanics will recognize it by that description.

Term

bushing

A bushing is the soft part inside a mount or link that cushions movement. When it wears out, the part can move too much and you’ll feel jerking or shaking.

Term

push-start

Push-starting means getting the car moving and trying to start it that way. It works much more reliably on manual cars than automatics.

Term

extra virgin olive oil

Olive oil can’t start a car or fix a dead battery. This part is mainly a comedy bit about grabbing the wrong thing.

Term

jumper cables

Jumper cables are thick wires you use to “borrow” battery power from another car. They help you start your car when your battery is dead.

Term

NPR

NPR is a public radio network in the U.S. Here it’s just mentioned because it’s also a set of three letters.

Term

888-CAR-TALK

That’s the show’s phone number. It uses letters on a phone keypad so “CAR-TALK” turns into numbers you can dial.

Term

windows were up

They’re saying the windows were closed, so the rat probably didn’t just crawl in through an open window. It likely got in through some other small opening.

Term

recirculation

Recirculation means the car keeps using the same air inside instead of pulling in new air from outside. That can reduce how much outside air (and anything with it) gets pulled in.

Term

owner's manual

The owner’s manual is the book that comes with the car and explains how to use it and what to do if something goes wrong. It usually doesn’t list weird, rare events like this.

Company

Cars.com

Cars.com is a website where people shop for cars. Here they’re also pointing you to the site for something connected to the show.

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