Car scans and codes, cooling your car, tires in the rain and more!
WCCO's Car Care
Car scans and codes, cooling your car, tires in the rain and more! WCCO's Car Care · Jun 13, 2026
Car scans and codes, cooling your car, tires in the rain and more!

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Car scans and codes, cooling your car, tires in the rain and more!
2019 Nissan Altima
Car

2019 Nissan Altima

This is a Nissan Altima from 2019. The host is talking about a battery that died very quickly, and they’re suggesting the car’s charging system and any “battery drain” while parked should be checked.

Term

charging system

The charging system is what recharges your battery when the car is running. If it’s not charging properly, a battery can fail much sooner than expected.

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alternator

The alternator is the part that makes electricity while the engine is running. If it doesn’t charge the battery correctly, the battery can go dead quickly.

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drain

Battery drain means something in the car keeps using electricity after you turn it off. If that “something” pulls too much power, the battery can die even if it’s new.

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draw test

A draw test checks how much electricity your car is still using when it’s turned off. If it’s using too much, that can explain why a battery dies early.

Concept

gas to hybrid to electric

The host is talking about how car powertrains are changing over time: gas cars, then hybrids, and now fully electric cars. That matters because the parts that can fail—and how you test them—are different.

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hybrid batteries

Hybrid batteries are the batteries in a hybrid car that help the gas engine and run the car’s electric parts. The host says they’ve had to replace hybrid batteries, but not yet full EV batteries.

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EV battery

An EV battery is the big battery in an all-electric car that powers the motor. The host is saying they haven’t had to replace many yet because the cars are still newer, but it should happen more as they get older.

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10 15 year age range

The host is basically saying that battery problems usually show up more after cars have been on the road for about 10 to 15 years. That’s when more replacements and repairs become likely.

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carburetors

A carburetor is an older way of mixing fuel and air for the engine. Newer cars usually use fuel injection because it can control the mixture more accurately.

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fuel injection

Fuel injection is how most modern cars deliver gas to the engine using electronic controls. It helps the car get the right amount of fuel for different driving conditions.

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electronic ignition

Electronic ignition is the system that controls when the spark plugs spark. It’s more precise than older ignition systems and helps the engine run better.

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EV

EV means electric vehicle. Instead of a gas engine doing most of the work, it runs mainly on an electric motor powered by a battery.

Term

hybrids

A hybrid uses both a gas engine and an electric motor. The car manages both together, so it needs different diagnostics than a purely gas car.

Concept

master technician

A master technician is a top-level mechanic certification. It usually means the person has proven they can diagnose and fix complicated issues, and they may need to retest over time.

Term

dry rotting

Tires can age even if they still have tread. The rubber can get hard and crack from heat and time, and that can eventually cause a tire to fail.

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tire compound

A tire is made from rubber, and that rubber has a specific recipe. With age and heat, that rubber can get stiff and crack even if the tread still looks okay.

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flat tire

A flat tire is when the tire goes low on air. If the rubber is cracking from age, it can fail and cause the tire to go flat.

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tread depth

Tread depth is how much pattern is left on the tire. More tread helps the tire grip and push water out, especially on wet roads.

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date code

Tires have a stamped number on the sidewall that shows when they were made. It usually includes the week and year, so you can tell if the tire is getting old.

Concept

visual inspection

A visual inspection is just looking closely at the car parts to spot obvious problems. It’s often the first step before deciding whether something needs replacement or a closer check.

Term

OEM

OEM means the part was made for the car brand to match the car’s original specs. Sometimes OEM is the safest choice, but some aftermarket parts are just as good.

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cabin filter

A cabin filter is a small filter inside your car that cleans the air coming into the cabin. When it gets dirty, it can’t filter as well anymore. How often you replace it depends on things like dust and nearby trees.

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pleating material

Cabin filters use pleated media—folded layers that create more surface area to trap particles. The hosts’ point is that while vacuuming or shaking can remove loose debris, particles embedded in the pleats may not come out, which is why replacement is often the better option. This is especially true once the filter is loaded and airflow is affected.

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aftermarket

Aftermarket parts are made by companies besides the original automaker. They’re sold as alternatives to the factory part. With filters, some aftermarket ones work great and some don’t, so quality can vary.

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fitment

Fitment just means whether a part actually fits your car the way it’s supposed to. With aftermarket parts, the shape or mounting can be slightly off, which can cause leaks or poor performance.

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oil filter

The oil filter cleans the oil as it circulates through the engine. Better filters can trap more dirt, which helps the engine stay protected.

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good quality oil

Engine oil does more than keep things from rubbing—it also helps keep the engine cool and clean. Using the right, high-quality oil helps prevent buildup that can damage the engine.

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sludge

Sludge is gunky buildup inside the engine that forms when oil gets dirty or breaks down. It can clog oil passages and lead to faster wear.

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camshafts

Camshafts are part of the engine that control when the valves open and close. They need good oil to stay lubricated and avoid wearing out too quickly.

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turbos

A turbocharger boosts the engine by using exhaust gases to spin a turbine. It depends on clean oil flowing correctly, so dirty oil can cause problems.

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lighter weight oils

“Lighter weight” oil is thinner and flows more easily. The worry is that if the oil gets dirty or forms sludge, it can still clog small oil passages and cause trouble.

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5,000 mile interval

This is how often you’re supposed to change your engine oil. If it’s set to every 5,000 miles, going much longer can let the oil get worn out and stop protecting the engine as well.

Concept

longer oil change intervals

If you wait longer than recommended to change the oil, the oil gets dirty and less effective. That can cause extra engine wear and, in bad cases, an engine breakdown.

Term

engine failed

“Engine failed” means the engine stopped working properly, sometimes permanently. In the example they gave, it happened after the oil wasn’t changed for a very long time, so the engine didn’t get the protection it needed.

Concept

maintaining the vehicle is required to keep that warranty intact

Warranties often only pay if you take care of the car the way the manufacturer says. If you skip required maintenance—like oil changes—they may refuse to cover the repair.

Term

oil left

They’re basically asking what the oil looks like after it’s been left too long. If it’s been neglected for a huge number of miles, it can be so worn out and dirty that it no longer protects the engine.

Concept

oil flushing vs loosening buildup

If an engine has a lot of gunk, using strong cleaners can sometimes break that gunk loose all at once. That can clog the oil system, so the safer approach is often to change the oil more frequently instead of dumping in chemicals.

Term

synthetic oil

Synthetic oil is a higher-tech type of engine oil. It tends to last longer and hold up better, which can help if your oil has been getting dirty or breaking down.

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every thousand miles

They’re talking about changing the oil very often—about every 1,000 miles. The idea is that frequent fresh oil helps pull out dirt and sludge over time.

Brand

ASC certified technician

This means the technician has been certified through an automotive training program. It’s a way of saying they’re qualified to work on cars.

Company

Lloyd's

Lloyd’s is the automotive shop the technician works with. They’re the place you can call or visit for help with car-care questions.

Place

982 Grand Avenue

That’s the street address where the shop/show team will be. It’s for people who want to stop in and say hi.

Term

transmission fluid

Transmission fluid is the fluid that keeps your car’s gearbox working smoothly. If it looks dark/discolored or smells burnt, it can be a sign the transmission has been running too hot or isn’t healthy, and it may need service.

Term

flushes

A flush is a more aggressive fluid change where the system is cleaned out more forcefully than a simple drain-and-fill. Some transmissions don’t like that approach, so many shops use drain-and-fill more often now.

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remove the pan replace the filter

On some transmissions, the shop can take off the bottom pan to reach the filter. Then they replace the filter (and usually the gasket) so the transmission fluid can flow through a clean filter again.

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flat spot

A flat spot is when a tire sits in one position long enough that part of the tread gets a little deformed. When you drive again, it can feel like a thump or vibration until the tire warms up and the shape returns.

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tailpipe

The tailpipe is where the car’s exhaust comes out at the back. On a cold start, the exhaust can look like steam because moisture is coming out—after the car warms up, it usually goes away.

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brake rotors

Brake rotors are the round metal parts the brake pads squeeze against. Warming them up helps keep moisture from sitting on them and causing rust.

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tire alignment

Tire alignment is setting the wheels so they’re pointed the right way. If it’s off, your tires can wear unevenly, even if they’re brand new.

Term

abnormally

Here, “abnormally” means the tires are wearing in a weird or uneven way. That usually suggests there’s an underlying problem, not just normal driving wear.

Term

alignment repair

Wheel alignment is how your wheels are aimed. If it’s wrong, your tires can wear unevenly and you may need new tires sooner. Fixing alignment helps tires last longer and keeps the car driving straight.

Term

alignment specifications

Alignment specifications are the exact numbers a shop tries to set your wheels to. Checking them tells you if your car’s wheels are aimed correctly or if they need adjustment to protect your tires.

Term

wiper blades

Wiper blades are the rubber parts that clear your windshield. If they get old, they can start streaking and you won’t see as well in rain or snow.

Concept

clear windshield

A clear windshield means you can see the road clearly through the glass. In rain or snow, worn wipers can blur your view, so replacing them helps you stay safer.

Term

stable

“Stable” is a product you add to gas when you’re storing a vehicle for months. It helps keep the gas from going bad, so the engine is easier to start again in the spring.

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