#2629: The Babysitter Tells All
The Best of Car Talk
The Best of Car Talk Apr 11, 2026
#2629: The Babysitter Tells All

#2629: The Babysitter Tells All

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#2629: The Babysitter Tells All
Company

Carvana

Carvana is a company that sells cars online. Instead of going to a dealership, you pick the car on their website and they deliver it to you.

Concept

customizable financing

Customizable financing refers to tailoring loan terms—like the down payment, monthly payment target, and loan length—to fit a buyer’s budget. It’s relevant because different terms can change the total amount paid over time, even if the monthly payment looks similar.

Concept

delivery fees

Delivery fees are extra charges for bringing the car to you. They can change the final price, so it’s good to look at them up front.

Brand

Ford Motor Company

Ford Motor Company is a big car manufacturer. In this segment, they’re the ones making the announcement being discussed.

1987 Nissan Stanza
Car

1987 Nissan Stanza

A Nissan Stanza is a regular passenger car from the 1980s. The point here is that even if you change the oil, other scheduled maintenance can still be overdue on a high-mileage car.

Term

timing belt

The timing belt is like a timing “sync” belt inside the engine. If it breaks, the engine’s timing can get thrown off and it can cause major damage.

Part

ball joints

Ball joints are little joints in the suspension that help the wheels move up and down and steer. Some older cars have grease points for them, but many newer cars use sealed parts so you don’t grease them.

Term

grease fittings

Grease fittings are little metal nipples where you attach a grease gun. If your car doesn’t have them, the parts are usually sealed and maintenance doesn’t include greasing.

Term

Zerk fitting

A Zerk fitting is a little grease nipple on some car parts. If you see one, you can use a grease gun to add grease and help the part last longer.

Concept

boot bulge

The boot is the rubber cover that protects the joint. If it starts to bulge a lot while greasing, that can mean you’re putting in too much grease.

Term

automatic door locks

Automatic door locks are the car’s built-in locking system. Here, the problem is that once the doors lock, the driver can’t get back out.

Concept

couldn't reproduce the problem

“Couldn’t reproduce the problem” means the dealer couldn’t trigger the issue during diagnosis. Many intermittent electrical or safety-related faults only happen under certain conditions, so the lack of a repeatable symptom can delay repairs or make the issue harder to validate.

Concept

technical service bulletin

A technical service bulletin is like a manufacturer’s “heads up” to mechanics. It tells them about a common problem and what fix usually works best.

Term

relays

A relay is an electrical switch that helps your car control things like lights or fans. If it goes bad, that part of the car can stop working or act weird.

Term

license plate

A license plate is the number on your car’s front or back. Some services can use it to find your car in their records, but the VIN is the exact ID.

Term

wheels used to be made out of wood

Long ago, some vehicle wheels were made of wood instead of metal. Wood wheels don’t last as well and can wear out or get damaged more easily than modern wheels.

Term

wheels were made out of steel

Steel wheels are stronger and more durable than wood. Today, many cars use metal wheels too—often aluminum—because it can be lighter while still being strong.

Term

aluminum alloy

An aluminum alloy is aluminum plus other metals to make it stronger. Cars use it because it’s lighter than steel and resists rust better.

Term

plastic

Plastic is used a lot in car interiors because it’s lighter and easier to shape. It can also be made tough enough to handle bumps and impacts.

Part

clutches

A clutch is what helps a manual-transmission car change gears smoothly. It lets the engine and the gearbox “disconnect” briefly so you can shift without damage.

Term

steering wheel

The steering wheel is what you use to turn the car. If something gets on it, it can feel slippery or dirty, which makes driving less comfortable and safe.

Concept

Stump the Chumps

This is a part of the show where someone describes a car problem and the hosts try to figure out what’s wrong. It’s like a puzzle, but for car issues.

Term

turn on the heat

They notice the noise happens when the heater is turned on. That usually means the problem is connected to the car’s heating/air system, like the fan or a control that moves air.

Term

air conditioner

Your car’s air conditioner is what cools the inside of the car. Even when you’re trying to defrost the windshield, many cars still turn on the A/C to help dry the air.

Part

serpentine belt

The serpentine belt is the main belt that powers several parts of the engine. If it starts slipping or rubbing, it can get hot and smell like burning rubber.

Concept

check by removing the belt and turning pulleys by hand

A good way to find the problem is to take the belt off and spin the pulleys by hand. If one pulley feels rough or won’t spin freely, it’s likely the failed part causing the belt trouble.

Term

overheating the belt

Belts get too hot when they’re slipping or when a pulley isn’t spinning normally. Heat damages the rubber, making the belt more likely to break.

Term

Coleman fuel

Coleman fuel is the fuel people use for camping stoves and lanterns. It’s very flammable, so carrying it in a car—especially inside the cabin—can be risky if it leaks or fumes build up.

Term

kerosene

Kerosene is a fuel that doesn’t evaporate as easily as gasoline. Because of that, it usually needs more heat to burn.

Term

volatile

Volatile means the liquid turns into vapor easily. Fuels that are more volatile catch fire more easily.

Term

Coleman lantern

A Coleman lantern is a portable camping light designed to run on Coleman fuel. The fuel type matters because it’s formulated to vaporize and burn properly in the lantern’s burner system.

Term

petroleum distillates

Petroleum distillates are fuels made from refined crude oil. If the label says that, it usually means it’s a fuel that behaves a lot like gasoline.

Concept

minivans

A minivan is a family car with sliding doors and lots of room inside. People use them for everyday driving like school drop-offs and road trips.

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