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Under The Hood Talking About Car Repair Helping You Save

Under The Hood Talking About Car Repair Helping You Save

Under The Hood show Nov 19, 2025 50 min
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About this episode

This episode dives into various car repair topics, featuring listener calls about specific vehicle issues, including a 2016 Chevy Colorado fuel gauge problem and a 1980 Ford F-250 ignition issue. The hosts provide practical advice on diagnostics, troubleshooting, and potential solutions, such as using scanners for error codes and checking wiring. They also discuss the importance of proper torque settings after repairs and share insights on common automotive problems. The episode is filled with engaging banter and valuable tips for DIY car enthusiasts.

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Technical Too Afraid to Ask
Car

Chevy Colorado

"...I have a 2016 Chevy Colorado and the fuel gauge wasn't showing any fuel and I replaced the fuel pump with the fuel gauge that's attached to it in the tank..."

The Chevy Colorado is a smaller pickup truck that's good for carrying things and driving around town. It's popular because it's easy to handle and can still do tough jobs.

Part

fuel pump

"...I replaced the fuel pump with the fuel gauge that's attached to it in the tank..."

The fuel pump is a part in your car that moves gasoline from the tank to the engine. If it breaks, your car might not start or run well.

Term

fuel gauge

"...the fuel gauge wasn't showing any fuel and I replaced the fuel pump with the fuel gauge that's attached to it in the tank..."

The fuel gauge tells you how much gas is in your car. If it doesn't work, you might not know when you need to fill up.

Term

OBD-II scanner

"Here's your next step. You need to plug a scanner into the vehicle and a lot of them that read just your basic engine codes and data will read fuel percentage on that screen on the PIDs."

An OBD-II scanner is a device that connects to your car to check for problems. It helps you see what's wrong with the engine and can show how much fuel is in the tank.

Part

body control module

"...coming up to the computer and into the vehicle, body control module from that. But if it reads 80 percent, 50, 20, 60, whatever it is that you've got in the tank..."

The body control module is like the brain for many electrical parts of a car, helping them work together. It controls things like lights and power windows.

Part

instrument cluster

"...probably got a bad instrument cluster, got a problem internally in that."

The instrument cluster is the dashboard area where you see things like your speed and how much fuel you have. If it’s broken, it might show wrong information.

Term

jumpstart

"...AAA come out and jumpstart the car and they had left their lights on. So the battery they felt was going to be okay, but their heater controls no longer work..."

Jumpstarting is when you use another car's battery to help start your car if its battery is dead. This usually happens if you left the lights on or something similar.

Car

Ford F-250

"I have a 1980 Ford F-250 with the 460 and it has an Holley 850 double pumper on it."

The Ford F-250 is a strong pickup truck that can carry heavy loads and is often used for work. The 1980 version is one of the older models, known for its toughness.

Term

Holley 850 double pumper

"...it has an Holley 850 double pumper on it."

The Holley 850 double pumper is a special part that helps engines get more fuel and air, making them run better and faster. It's often used in powerful cars and trucks.

Term

carburetor

"...pulled the fuel line off at the carburetor to make sure I had fuel, I did..."

A carburetor is a part of some older cars that mixes fuel and air so the engine can run. It's less common now because most newer cars use a different system called fuel injection.

Part

coil

"...I touched the coil that was hot to touch. I don't ever recall finding a coil that's hot to touch like that..."

An ignition coil is a part of a car's engine that helps start it by creating a spark. It takes the battery's power and makes it strong enough to ignite the fuel in the engine.

Term

starting fluid

"In the end, I did use some starting fluid and I got it to fire for about 10 seconds and then once it burned that up, it wouldn't fire."

Starting fluid is a special spray that helps engines start when they have trouble. It gives the engine an extra boost to get going.

Term

resistor

"They originally had a resistor in the line, the power line going to the coil or they had a resistor coil on it."

A resistor is a small part that helps control the amount of electricity going to other parts of the car. It prevents parts from getting too much power, which can cause them to overheat and break.

Part

float

"...it may be that the float's stuck in not allowing it to get fuel in..."

A float in a carburetor is a part that helps control how much fuel goes into the engine. If it gets stuck, it can stop the fuel from flowing properly, which can cause problems.

Car

Jeep Liberty

"I've got a 2008 Jeep Liberty."

The Jeep Liberty is a small SUV made by Jeep, popular for its ability to drive off-road and its useful features.

Part

struts

"This past weekend I changed the struts, CV axles and axle seals."

Struts are parts of a car's suspension that help keep the ride smooth by absorbing bumps from the road.

Part

CV axles

"This past weekend I changed the struts, CV axles and axle seals."

CV axles are parts that help connect the engine to the wheels, allowing the car to move while the wheels can still go up and down over bumps.

Part

axle seals

"This past weekend I changed the struts, CV axles and axle seals."

Axle seals are parts that keep oil from leaking out of the car's axles, helping everything run smoothly.

Part

steering knuckle

"...I just wondering about like the, you know, like your steering knuckle and your outer tie rod and stuff like that. They should see because you've got iron on iron,..."

The steering knuckle is a part of the car that helps the wheels turn when you steer. It connects the wheels to the rest of the car's suspension system.

Part

outer tie rod

"...I just wondering about like the, you know, like your steering knuckle and your outer tie rod and stuff like that. They should see because you've got iron on iron,..."

The outer tie rod is a part that connects the steering system to the wheels, helping to turn the car when you steer. It works with other parts to make sure the wheels move in the right direction.

Term

dissimilar metals

"...It's two different dissimilar metals there and you have corrosion buildup in there. So you want to make sure you drive it,..."

Dissimilar metals are different types of metals that can cause problems when they touch each other, like rust or corrosion. This is something to think about when working on cars, especially when connecting parts made of different metals.

Term

corrosion buildup

"...you have corrosion buildup in there. So you want to make sure you drive it,..."

Corrosion buildup happens when metal gets damaged by moisture and other things in the air, causing it to rust or break down. This can be a problem for car parts that are made of different metals and can lead to issues over time.

Car

Buick Park Avenue

"My husband and I have a 2003 Buick Park Avenue and recently it just went start."

The Buick Park Avenue is a large, comfortable car made by Buick. It was designed to be a luxury vehicle, offering a smooth ride and plenty of space inside.

Term

alternator

"They've checked the alternator, they've checked the fuses and he's come to the conclusion that it's just a slow leak."

The alternator is a part of the car that helps keep the battery charged while the engine is running. If it doesn't work, the battery can run out of power, making it hard to start the car.

Part

battery disconnect switch

"They make a little remote control battery disconnect for about 40 bucks. You just disconnect the negative of the battery."

A battery disconnect switch helps you quickly cut off power from the car's battery. It's handy if you need to do repairs or if there's an emergency.

Term

parasitic draw

"if it's not an obvious parasitic draw. And..."

Parasitic draw is when something in your car continues to use battery power even when the car is off. If too much power is used this way, it can make your battery go dead.

Company

Berkeley One Classics

"...we turned to Berkeley One Classics and here's why. Berkeley One Classics has over 50 years experience..."

Berkeley One Classics is a company that offers insurance specifically for classic cars and high-performance vehicles. They help car owners figure out how much insurance coverage they need for their valuable cars.

Car

Toyota Tacoma

"Oh, you have a Tacoma, you should throw it in the river. I had a Tacoma..."

The Toyota Tacoma is a small truck that people often use for carrying things or going off-road. It's known for being tough and lasting a long time, which is why many people like it.

Car

Volkswagen Beetle

"...for my 74 Volkswagen Beetle. And I was wondering if you guys got any recommendations..."

The Volkswagen Beetle is a famous small car with a unique design. The 1974 model is one of the last versions of this classic car.

Car

Mercedes-Benz S55

"It's a 2003 Mercedes S55 5.5 with a rear-wheel drive. It's my grandson's car, and it goes into a limp mode..."

The Mercedes-Benz S55 is a luxury car that is part of the S-Class series. It's designed for comfort and has a strong engine for good performance.

Term

limp mode

"...and it goes into a limp mode when you push the pedal down all the way. It'll kinda cut it down to like 40 miles an hour..."

Limp mode is when a car limits its speed and power to protect itself from damage. It happens when there's a problem that needs fixing.

Car

Nissan Sentra

"Yes, sir. Well, my daughter has an 06 Nissan Sentra. I think it's a 2.5 liter four cylinder."

The Nissan Sentra is a small car that's easy to drive and good on gas. The 2006 version is known for being a reliable choice for getting around town without spending too much money.

Car

General Motors Ev1

"... of who killed the electric car in regards to the EV1 with General Motors back in the day. I've seen th..."

The GM EV1 was an early electric car that people were excited about because it didn't use gas. However, it was taken off the market, which led to a lot of discussions about why electric cars didn't become more popular back then.

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