The automotive maintenance services you should never buy
My Car Guru Podcast
My Car Guru Podcast Feb 10, 2026
The automotive maintenance services you should never buy

The automotive maintenance services you should never buy

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The automotive maintenance services you should never buy
Term

fixed operations

Fixed operations are the parts of a car dealership that make money by fixing cars and selling parts, instead of just selling new or used cars. This includes things like oil changes and repairs.

Term

variable operations

Variable operations are the parts of a car dealership that make money by selling cars and financing them. This includes selling new cars, used cars, and helping customers with loans.

Term

cooling system

The cooling system helps keep the engine from getting too hot. It uses a special liquid called coolant to absorb heat and keep everything running smoothly.

Term

oil change

An oil change is when you replace the old oil in your car's engine with new oil. This is important to keep the engine running smoothly and to prevent damage.

Term

engine tolerances

Engine tolerances are the small gaps between parts inside the engine that allow them to move smoothly. When these gaps are very small, the engine can work better and use less fuel.

Term

blow by

Blow by is when gases from the engine's combustion process leak past the piston rings into the oil area. This can make the oil dirty and less effective at lubricating the engine.

Term

engine management

Engine management is like the brain of the car's engine. It helps control how much fuel and air go into the engine to make it run better and cleaner.

Term

full synthetic oil

Full synthetic oil is a specially made oil that helps your car's engine run better and last longer. It's different from regular oil because it's made from man-made materials, which can handle heat and pressure better.

Porsche 911
Car

Porsche 911

The Porsche 911 is a famous sports car that many people love for its speed and style. It's known for being very well-made and fun to drive, making it a favorite among car enthusiasts.

Term

recommended maintenance intervals

Recommended maintenance intervals are the times when you should take your car in for service, like oil changes or checking fluids. Keeping up with these helps your car stay in good shape and avoid big problems later.

Part

brake pads

Brake pads are the parts that help your car stop. They press against the wheels to create friction, but they wear out and need to be changed regularly to keep your brakes working well.

Part

rotors

Rotors are the round metal discs that work with brake pads to stop your car. If they get damaged or worn out, they might need to be fixed or replaced to keep your brakes working properly.

Part

brake caliper

The brake caliper is the part that holds the brake pads and pushes them against the rotor to help stop the car. It's important for making sure your brakes work properly.

Part

cabin air filter

The cabin air filter is like a small air purifier for your car. It makes sure the air you breathe inside is clean and free from dirt and allergens.

Term

fuel system cleaning

Fuel system cleaning is when a mechanic cleans parts of your car's fuel system to help it run better. Some places say you need it, but it might not always be necessary.

Term

fuel injectors

Fuel injectors are parts of the engine that spray fuel into the engine to help it run. Sometimes they can get dirty, which can cause problems with how the car drives.

Term

check engine light

The check engine light is a warning light on your dashboard that tells you something might be wrong with your car's engine. If it comes on, it's a good idea to get it checked out.

Term

fuel economy

Fuel economy is how far your car can go on a certain amount of fuel. If it gets worse, it might mean something is wrong with the car.

Term

alignment recommendations

Alignment recommendations are suggestions on how to adjust your car's wheels so they point in the right direction. This helps your tires last longer and makes your car easier to drive.

Term

front end alignment

Front end alignment is when the front wheels of your car are adjusted to make sure they are straight and not tilted. This helps your car drive better and keeps the tires from wearing out too quickly.

Term

tire inflation

Tire inflation is how much air is in your car's tires. If the tires don't have enough air, they can wear out faster and make your car harder to drive.

Term

alignment rack

An alignment rack is a tool that helps check if a car's wheels are pointing in the right direction. If they're not, adjustments can be made to fix it, which helps the car drive better and makes tires last longer.

Term

toe in

Toe in is when the front of the car's wheels are slightly closer together than the back. This adjustment helps the car drive straight and keeps the tires from wearing out too quickly.

Term

camber

Camber is how the wheels tilt when you look at them from the front of the car. If they lean in or out at the top, it can affect how well the car drives and how the tires wear down.

Term

parts changers

Parts changers are mechanics who just replace parts instead of figuring out what's really wrong with your car. This can sometimes cost you more money because they might change things that don't need to be changed.

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