Keeping your car charged and safe in the summer!
WCCO's Car Care
Keeping your car charged and safe in the summer! WCCO's Car Care · Jun 20, 2026
Keeping your car charged and safe in the summer!

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Keeping your car charged and safe in the summer!
Lincoln Aviator
Term

calipers

Calipers are the brake parts that push the brake pads onto the spinning brake disc. Cleaning and re-lubing them helps them move freely and work correctly.

Term

brake pads

Brake pads are the parts that squeeze against the brake rotor to make the car slow down. When pads are replaced, mechanics often check and clean nearby brake parts too.

2020 Toyota RAV4
Car

2020 Toyota RAV4

They’re talking about a 2020 Toyota RAV4 that’s losing battery charge. The idea is that something in the car’s electronics may still be using power even after you shut it off.

Concept

battery keeps draining

This means the car’s battery is losing charge even when the car is off. That can happen if some electrical system is still using power, or if something is malfunctioning.

Term

meter

They mean an electrical testing tool (a multimeter). It lets the mechanic measure what the battery is doing and help find what’s draining it.

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circuit

A circuit is just a specific electrical “loop” in the car that runs certain parts. They test different circuits to see which one is pulling power when it shouldn’t.

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fuse

A fuse is a protective part that stops electrical flow if something is drawing too much power. Mechanics use fuse locations to figure out which part of the car’s wiring is involved.

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schematic

A schematic is a wiring diagram. It helps the mechanic see what parts are connected to the circuit they suspect is draining the battery.

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airbags

Airbags are safety cushions that deploy during a crash. They’re part of the car’s safety system meant to protect people inside.

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cameras

Cameras in newer cars help the vehicle “see” what’s around it. They can support safety features that warn you or help avoid crashes.

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backup camera

A backup camera is a camera on the back of the car that shows a live video on the screen when you put the car in reverse. It helps you park and avoid hitting things behind you.

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parallel parking

Parallel parking is when you park your car next to the curb between two other cars. It can be tricky because you have to line up your car carefully, and cameras can help you see where you’re going.

2007 GMC Envoy
Car

2007 GMC Envoy

A 2007 GMC Envoy is an SUV. If the headlights randomly shut off, it usually means there’s an electrical problem—like a loose wire or switch—rather than just a fuse that permanently fails.

Term

bad ground

A bad ground means the car’s electrical “return path” isn’t making a good connection. When that happens, lights and other electronics can act weird—turning off and back on unexpectedly.

Term

bad connection

A bad connection is when a wire connection isn’t tight or clean enough to carry electricity reliably. That can cause lights to cut out randomly and then start working again.

Term

wiring diagram

A wiring diagram is like a map of the car’s electrical system. It shows how the wires and switches connect so you can figure out where a problem might be.

Ford F150
Car

Ford F150

This is a 2012 Ford F-150 pickup. The important part is the squeaking happens when backing up, not when driving forward, so the mechanic can focus on what changes in reverse. That can point to things like the parking brake or parts near the wheels.

Term

parking brake

The parking brake is the extra brake used to keep the car from rolling when parked. If a noise shows up in reverse, the parking brake parts might be rubbing or not releasing correctly.

Term

wheel bearing

A wheel bearing is what helps your wheel spin smoothly. If it starts to wear out, it can make loud noises and, in the worst case, can fail and cause the car to get stuck.

2007 Nissan XTERRA
Car

2007 Nissan XTERRA

This is a 2007 Nissan Xterra SUV. The caller says it suddenly started idling very low and shaking when stopped, which usually means the engine isn’t getting the right air/fuel mix at idle.

Part

throttle body

The throttle body is a valve that controls how much air can get into the engine. If it gets dirty with carbon, the engine can idle too low or run rough.

Term

carboned up

“Carboned up” means gunk builds up inside the intake/throttle area. That gunk can block airflow a bit, which can make the engine idle poorly.

Term

fault code

A fault code is like a “clue number” the car stores when it senses a problem. It helps you (or a mechanic) know where to look first.

Term

check engine light

The check engine light means the car’s computer noticed something wrong. Often it also stores a code that can help a mechanic figure out what’s causing the rough idle.

Term

scansicle connected

A scan tool plugs into the car to pull codes and live data from the engine computer. It helps figure out why the idle is too low and the engine feels rough.

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Mass air flow sensor

The mass air flow sensor tells the engine computer how much air is getting into the engine. If it’s dirty or inaccurate, the car may add the wrong amount of fuel and idle rough.

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cooling fan

The cooling fan is an electric fan that helps cool the engine by pulling air through the radiator. If it turns on and off repeatedly, it’s usually because the car’s sensors or settings are telling it to.

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temperature sensor

A temperature sensor tells the car how hot the engine coolant is. If it’s reading wrong, the car may think the engine is hotter than it really is and turn the fan on too often.

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compressor

The compressor is the part of the air conditioner that makes the cooling system work. When you turn on A/C, it can make the car run the radiator fan more often because it adds extra heat to manage.

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A/C

A/C is the air conditioning system. When you use it (including defrost), it can make the car’s cooling fan turn on more because the system adds heat.

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tire sensors

Tire sensors are the parts that help the car know how inflated each tire is. Some systems just warn you, while others can show the exact pressure numbers.

Term

dipsticks

A dipstick is the stick you pull out to see how much engine oil is in the engine. Some newer cars don’t have one and instead use sensors to tell you the oil level.

Term

sensors that read the oil level

Some cars use a sensor to measure the engine oil level for you. Instead of checking with a dipstick, the car can warn you if the oil is low.

Term

tire pressure monitoring

Tire pressure monitoring is a system that checks your tire pressure and alerts you if something is off. It helps you avoid driving on tires that are too low.

Concept

walk around your car, look at all four tires

This is a simple habit: before you drive, take a quick look at all four tires. If one looks lower than the others, that’s a sign you may have a problem even if the car hasn’t warned you.

Ford Fusion
Car

Ford Fusion

The Ford Fusion is a mid-size car meant for everyday driving. The podcast brings up a specific example—an older Fusion with a lot of miles—that needed about $1,900 in repairs. That’s a reminder that older cars often require more maintenance as they get higher mileage.

Toyota Camry
Car

Toyota Camry

The Toyota Camry is a regular family car (a sedan) that people use for everyday driving. The podcast mentions it because some owners keep them running for very high mileage. That usually points to the car being built to last when it’s maintained.

Term

all wheel drive

All-wheel drive means the car can send power to both the front and rear wheels. That helps when the road is slippery, but it also means the tires need to be similar so the drivetrain doesn’t have to work against mismatched wheel speeds.

Concept

replace all four tires on an AWD vehicle

For AWD cars, replacing only one tire can cause problems because the tires may end up rolling at slightly different speeds. That mismatch can make the drivetrain work harder than it should.

Term

tread depth

Tread depth is how much pattern is left on the tire. Worn tires don’t grip as well, and on cars like AWD vehicles, worn tires can also end up rolling differently than newer ones.

Term

differential

A differential is part of the drivetrain that lets wheels spin at slightly different speeds, like when you’re turning. If your tires aren’t matched, it can make that system work harder than it should.

Term

transfer case

A transfer case is what sends power to both the front and rear wheels in an AWD/4WD car. If the tires are mismatched, it can cause the front and rear to spin differently, which can stress the system.

Term

clutch packs

Clutch packs are parts that help control how power is sent through the AWD system. If the tires don’t match, the AWD system may have to constantly adjust, which can wear those parts out faster.

Term

owner's manual

Your owner’s manual is the carmaker’s instructions for things like tire sizes and what to do when tires wear out. It’s especially important for AWD cars because the rules can be stricter than on two-wheel-drive cars.

Part

plastic splash shield

A plastic splash shield is an under-engine panel that helps protect the underside from road debris and water spray. It can also influence airflow and noise, and in winter it can help reduce how much snow and slush gets into areas where it shouldn’t.

Volkswagen Jetta
Car

Volkswagen Jetta

A VW Jetta is a regular car model, and under the engine there’s usually a plastic cover. If it’s missing on a 2008 Jetta, stuff from the road can hit parts underneath more easily.

Term

oil change

An oil change is when the shop replaces the engine’s oil. The host is saying it’s a good time to have the car checked over, not just the oil swapped.

Term

certified trained people

This means the shop has technicians who are properly trained and qualified. They should be better at spotting problems than someone who only does quick oil changes.

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drain plug

The drain plug is the part that lets old oil come out of the engine during an oil change. The host is saying a good shop should do more than just open that plug.

Term

belts, hoses, steering suspension

Belts and hoses can wear out or start leaking. Steering and suspension parts help the car steer and ride safely, so checking them during service can prevent problems later.

2014 Dodge Ram 1500
Car

2014 Dodge Ram 1500

A 2014 Dodge Ram 1500 is a full-size pickup truck. The caller is talking about weird behavior while driving—like the RPM needle fluttering and the truck shaking—and asking what part could cause it.

Term

eight speed transmission

An eight-speed transmission is the automatic gearbox with eight different gear ratios. More gears can help the truck drive smoothly, but if the transmission isn’t behaving right, you can feel shaking or see RPM changes.

Term

torque converter

A torque converter is a part in an automatic transmission that helps the engine’s power get to the wheels smoothly. If it’s not working right, the RPM can bounce around and the truck can feel like it’s shaking.

Term

shift points

Shift points are when your car decides to change gears. The computer chooses the timing based on things like how hard you’re pressing the gas and how the car is running.

Term

scan tool

A scan tool is a device a mechanic plugs into the car to talk to its computer. It can show live readings and error codes to help figure out what’s wrong.

Term

solenoid

A solenoid is an electrically controlled “switch” that moves a small part inside a valve. In cars, it’s often used to control fluid flow, like in an automatic transmission.

Term

line pressure

Line pressure is the fluid pressure that an automatic transmission uses to do its job. If it’s low, the transmission may not shift smoothly or may feel like it’s slipping.

Term

Ohm's law

Ohm’s law is a simple rule that helps you connect electricity measurements—voltage, current, and resistance. Mechanics use it to figure out whether an electrical circuit is working as it should.

2023 Jeep Wrangler
Car

2023 Jeep Wrangler

The Jeep Wrangler is a tough off-road SUV. If you live where roads get salted in winter, rust protection matters a lot, so people often ask about undercoating or rust-proofing.

Term

rust proofing

Rust proofing means adding a protective treatment to help stop metal from corroding. It’s especially relevant if you drive in areas that use salt on the roads.

Term

undercoating

Undercoating is a protective coating put on the bottom of the car. It helps protect against rust by blocking moisture and road salt.

Concept

washed the vehicle

Washing the car helps remove salt and dirt that can cause rust. It’s a simple habit that can slow corrosion over time.

Term

undercarriage sprayed down

That means cleaning the bottom of the car. It helps wash off salty road dirt that can cause rust over time.

Term

lift kits

A lift kit is a set of parts that raises the car higher off the ground. It can help you clear bumps and rough roads, but it can also affect how the suspension handles, so installation matters.

Chrysler Pacifica
Car

Chrysler Pacifica

The Chrysler Pacifica is a minivan, and some versions are all-wheel drive for better grip. A lift kit would raise it higher off the ground to help with snow, potholes, or uneven roads.

Term

ground clearance

Ground clearance is how much space there is between the road and the bottom of the vehicle. More clearance can help prevent the car from hitting bumps or snow-covered ruts.

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