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"What Really Happens When You Skip Oil Changes | A Mechanic Explains"

"What Really Happens When You Skip Oil Changes | A Mechanic Explains"

Car Connection Workshop Dec 27, 2025 40 min
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About this episode

Skipping oil changes can lead to serious engine damage, as discussed by a seasoned mechanic with over 30 years of experience. The episode dives deep into the importance of regular oil changes, especially during the break-in period of a new vehicle. It debunks common myths about factory testing and emphasizes the need for multiple oil changes to remove metal particles that accumulate during initial engine wear. Listeners will gain insights on maintaining their vehicles for longevity and the science behind oil change intervals.

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Technical Too Afraid to Ask
Term

oil change

"...give you a little more depth on oil change services and important and the importance of break in oils when you buy a vehicle brand new..."

An oil change is when you replace the old oil in your car's engine with new oil. It's important for keeping the engine running smoothly and preventing damage.

Term

break-in oil

"...the importance of break in oils when you buy a vehicle brand new what you really need to know the science behind the break in oil..."

Break-in oil is the oil used in a brand new engine to help it settle in. It has special ingredients to protect the engine while it's still getting used to running.

Car

Land Rover Discovery

"... on their logo and connect and book that one hour discovery meeting we call the hour and a coffee thank you ..."

The Land Rover Discovery is a fancy SUV that can drive on tough roads and still be comfortable inside. It’s great for families because it has a lot of space and is designed to handle different kinds of driving conditions.

Term

motor oil

"...it's all about motor oil all about motor oil and you got the right guy doing the job to..."

Motor oil is a liquid that keeps your car's engine running smoothly. It helps prevent wear and tear by reducing friction between moving parts.

Term

owner's manual

"...read your owner's manual or ask your mechanic ignoring oil changes could lead to what we in the biz call catastrophic wallet leakage..."

The owner's manual is a guide that comes with your car. It tells you how to take care of it and what to do if something goes wrong.

Term

catastrophic wallet leakage

"...ignoring oil changes could lead to what we in the biz call catastrophic wallet leakage..."

'Catastrophic wallet leakage' is a funny way to say that not taking care of your car can cost you a lot of money in repairs.

Term

dyno testing

"...they're not dyno testing every single motor no they don't have time for that..."

Dyno testing is when engineers check how powerful an engine is using special machines. They can't test every engine because it takes a lot of time and effort.

Term

break-in period

"...that's how we have to treat that brand new engine so you buy a brand new vehicle just like my..."

The break-in period is the time after you buy a new car when you need to be careful with how you drive it. This helps the engine parts settle in properly and work well together.

Car

2025 Jeep

"...about a 2025 Jeep to replace her your Jeep we don't talk about anymore it brings tears to our eyes..."

The 2025 Jeep is a new car from the Jeep brand that will be available for purchase. Jeep cars are popular for driving off-road and have a tough look.

Term

engine break-in

"how you get started and how you break that engine in properly from brand new is of utmost importance..."

Engine break-in is the time when a new engine needs to be treated carefully to help it work well for a long time. It involves not pushing the engine too hard at first.

Term

hydraulic oil

"...the oil acts like hydraulic oil it needs to be pressurized and it needs to remain pressurized in order for everything to be lubricated..."

Hydraulic oil is a special liquid that helps machines work by transferring power. In engines, it keeps everything moving smoothly by providing lubrication.

Car

Honda Civic DX

"...on our 99 Honda Civic DX two-door hatchback."

The Honda Civic DX is a reliable and fuel-efficient car. The 1999 model is from a popular series of Civics that many people trust.

Car

Toyota Fj

"...own I'm heading for 400,000 kilometers on our 07 Toyota FJ cruiser I'm 312 ish on our 99 Honda Civic DX two-..."

The Toyota FJ Cruiser is a tough-looking SUV that can handle rough roads and off-road adventures. It’s known for being reliable and has a cool, vintage style that many people love.

Term

tuner car

"...we were invited to bring it out to a tuner car show and the kids were just all over it..."

A tuner car is a car that people change to make it faster or look cooler. They often show these cars at special events to compete with others.

Car

Cupra Born

"... but just you know if we didn't know when we were born we'd never know how old we are anyways we gave i..."

The Cupra Born is a new electric car that looks sporty and is designed to be fun to drive. It uses electricity instead of gas, which is better for the environment and can save you money on fuel.

Term

headliner

"...we have some youtube videos up showing you how we did the I changed the headliner in it..."

The headliner is the fabric that hangs from the ceiling inside a car. It helps make the inside look nice and can also help with noise.

Part

sun visors

"...we replaced the sun visors and I also replaced the rear seat belts because they were getting lazy..."

Sun visors are the flaps above the front windows that you can pull down to block the sun. They can get old and might need to be changed if they don't work well anymore.

Part

rear seat belts

"...I also replaced the rear seat belts because they were getting lazy and you know do you have you had one of those vehicles where you take the seat belt off and it's just dangling there..."

Rear seat belts are the straps that keep people safe in the back seats of the car. Sometimes they can get old and not work well, which is why they might need to be replaced.

Term

oil filter

"...is sludge particles that get through the oil filter that are cycling through your motor causing wear and tear that's what you have to understand..."

An oil filter is a part of the engine that cleans the oil by removing dirt and tiny particles. This helps keep the engine running smoothly and prevents damage.

Term

carbon buildup

"...you have carbon build up in the oil and that's what creates a lot a lot of sludges and yeah you armchair warriors..."

Carbon buildup is when black, sticky stuff collects inside the engine. It happens when the fuel doesn't burn completely or when the oil breaks down, and it can make the engine work less well.

Term

synthetic oil

"...with your synthetic it's exactly the same the synthetic oil doesn't tell you through some kind of sensor or met or oil telepathy that there's particles floating around in the oil it's still..."

Synthetic oil is a special kind of engine oil that is made from man-made chemicals. It works better than regular oil but can still get dirty and pick up particles from the engine.

Term

thermal breakdown

"...synthetic oil still breaks down still carries particles still gets carbonated it still gets dirty that's the fact..."

Thermal breakdown is when oil gets too hot and stops working well. This can make it less effective at protecting the engine and can cause damage over time.

Term

conventional oil

"...even semi synthetic quality conventional oil and a top notch oil filter is what you need to do..."

Conventional oil is regular oil made from natural sources. It's the most common type used in cars, but it doesn't perform as well as synthetic oil in extreme conditions.

Term

ash

"...it's ash ash that's created by the engine oil that sludges up the motor even if it's synthetic fellas just saying..."

Ash is what’s left behind when oil burns in the engine. Too much ash can create gunk that makes the engine work poorly.

Car

Honda Crv

"I did put synthetic oil one time and I had a 99 98 honda crv and somebody talked me into doing it"

The Honda CR-V is a small SUV that is popular for being reliable and good for families. The 1998 version is one of the earlier models and is known for being practical.

Part

Wix filters

"no they don't support the channel i've been using wix for a long time i i thoroughly believe in their products and that's all i use for filtration wix filters whether it's air cabin or oil transmission"

Wix filters are a brand of filters used in cars to keep the engine and other parts clean. They help remove dirt and debris from the oil and air, which is important for the car to run well.

Term

maintenance manual

"...the manufacturers maintenance manual that's in your glove box for the maintenance is our only suggestions..."

A maintenance manual is a book that comes with your car, telling you how to take care of it and when to do things like oil changes. It's important to follow these instructions to keep your car running well.

Term

engine oil

"...i change my engine oil and filter every 5000 kilometers..."

Engine oil is a special liquid that keeps the parts of your car's engine moving smoothly and prevents them from getting too hot.

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