Richard McCuistian, ASE Certified Master Automobile Technician

Technical Reviewer at CarParts.com

Richard McCuistian grew up in Alabama learning from his father who ran an automotive repair shop. Richard has worked for nearly 50 years in the automotive field as a professional technician, an instructor, a freelance automotive writer for Motor Age, ACtion magazine, Power Stroke Registry, and others (published every year since May 2000). He has developed training courses and written or edited training material for companies in the U.S. Canada, and the Netherlands, and even Bulgaria. He maintained an “ask a mechanic” website for 10 years answering questions emailed to him from all over the world.

Richard has an instructional automotive YouTube channel “McCuistian” with 13,500 subscribers and over 1,300 videos. Much of his professional work requires photography and videography in shop environments, but Richard also enjoys taking pictures of landscapes, skyscapes, old barns and houses, small towns. He has produced a coffee table book of digital watercolors called “Memories of South Alabama” created from his personal photos, along with a dozen Christian fiction short original novels and a collection of short stories, all available in Kindle or softcover format. Richard has written a 2,500-word Bible study every week for the past 20 years and uses it to teach a small group at his church every Sunday morning.

Credentials:

  • ASE Certified for more than 30 years in 10 categories, including L1 Advanced Engine Performance and Light Vehicle Diesel.

  • Professional Mechanic/Technician for 25 years with experience on diesel and gasoline engines, vehicles and equipment (including hydraulics).

  • Spent 5 years in fleet maintenance, 20 years in independent shops and dealerships (VW, Mazda, Renault, Jeep, Ford, Lincoln), specializing in driveability and electronics for the last 14 years of his career at the same dealership.

  • Senior Contributing Editor at Motor Age Magazine, first published in Motor Age in May of 2000 and every year since. He has won two International Automotive Media Awards for technical articles published in trade magazines.

  • Has attended hundreds of hours of automotive training from OEMs including GM, Volkswagen, Mazda, Renault, Jeep, Chrysler, as well as additional training at events like KC Vision and MACS (Mobile Air Climate Systems Association).

  • Taught college level auto mechanics for 19 years.

  • Has written for automotive training companies (including course development work for training companies in Canada and the Netherlands) and has been hired to teach professional trade show technician courses at multiple training events in Texas and Alabama.

  • While still teaching at the college level, Richard launched a new automotive program in Geneva, Alabama, setting up a dual enrollment department in a new building, organizing the shop and classroom, teaching morning classes to high school students for 2 years while still teaching at the college in the afternoon.

  • Richard’s college program at Lurleen B. Wallace Community College worked at professional shop speed during his tenure to prepare graduates for production level work in the real world.

Why Your Trailer Brakes Are Locked Up

Summary Faulty parts like the power regulator and wiring harnesses can lead to situations where the trailer brakes are locked…

5 months ago

Brake Pedal Stoppers: What Happens When They Break?

Summary A brake pedal stopper is a small part that acts like a cushion for the brake pedal. The stopper…

5 months ago

Motor vs. Engine: Is There A Difference?

Summary While the terms motor and engine are often interchangeable, their automotive terms have significant differences. This interchangeability is partly…

5 months ago

Why Is My Vehicle’s Power Steering Fluid Foaming?

Summary Aeration is the main cause behind foaming power steering fluid. If air gets into the line, the power steering…

5 months ago

Are Three-Cylinder Engines Good?

Summary Three-cylinder engines are just as reliable as any other engine type. Cylinder count doesn’t determine engine reliability. Instead, the…

5 months ago

Why Is My Clutch Pedal Stuck to the Floor?

Summary If your clutch pedal is stuck to the floor, you’re likely dealing with a broken clutch cable, low clutch…

5 months ago

What’s the Better Engine: V6 Or Inline-6?

Summary An inline-6 engine has a single row of 6 cylinders, while a V6 engine has two rows of 3…

5 months ago

Do You Need a Suspension Bush Press?

Summary Most professional mechanics choose to use a hydraulic shop press to remove suspension bushings. The press makes it easier…

5 months ago

What Is a Spark Plug Thread Chaser? How To Use It and Other FAQ

Summary A thread chaser is a small tool specifically designed to clean and reform the threads of a spark plug…

5 months ago

What Are Engine Bearings and Why Are They Important?

Summary Engine bearings are the main supports for the major moving parts of an engine, reinforcing the operating loads and…

5 months ago

Going Green: What You Should Know About Car Recycling

Summary Approximately 27 million cars are recycled annually. For the average vehicle, about 90% of its parts can be recycled,…

5 months ago

Do Performance Chips Work?

Summary Performance chips adjust and optimize various systems in a vehicle to increase engine output and boost performance. Some benefits…

6 months ago

Common Reasons Why Your Engine Oil Smells Like Gas

Summary Engine oil smells like gas because of engine blow-bys, faulty piston rings, leaks in the fuel injection system, and…

6 months ago

Brake Line Benders: Tips and Tricks

Summary Since brake lines are made from stiff steel tubing (unless you’re replacing them with the nickel/copper alloy, which most…

6 months ago

What Is a Clutch Alignment Tool?

Summary When installing a new clutch assembly, professional mechanics use the clutch alignment tool to align the clutch disc to…

6 months ago

What Is the Acid in Car Batteries?

Summary In most batteries, battery acid consists of sulfuric acid and water. Battery acid produces an electric current that runs…

6 months ago

How Flywheel Resurfacing Works, Cost, and Other FAQ

Summary A flywheel with hot spots on it can cause the clutch to chatter, vibrate, and fail prematurely. It can…

6 months ago

Why Do You Run the Engine When You Check Automatic Transmission Fluid?

Summary The engine drives the torque converter and automatic transmission pump that affect the transmission fluid level. Park your car…

6 months ago

Proper Torque Converter Spacing: Space or No Space?

Summary When the torque converter is bolted to the flex plate, there is no space between the converter and the…

6 months ago

Rebuilt vs. Used Transmission: Which Is Better?

Summary Every vehicle needs a transmission because it prevents the engine from destroying itself. Without a transmission, most engines would…

6 months ago

Engine Oil Coming Out of Exhaust: Causes and Prevention

Summary If oil comes out of your vehicle’s exhaust, you’re likely dealing with bad valve seals, a damaged PCV system,…

6 months ago

What is an Exhaust Cam and Why Is It Important?

Summary Exhaust cams are responsible for controlling when the exhaust valves in the engine open and close. Their operation affects…

6 months ago

Your Guide to Trailer Wiring: How It Works, How to Wire, and More

Summary Trailer wiring is what’s used to power lights and other electrical accessories in trailers. Passenger cars have seven pins,…

6 months ago

Electronic Throttle Control: Functions, How to Restart, and FAQs

Summary The electronic throttle control (ETC) sends electrical signals to the ECU to open the throttle. The benefits of using…

6 months ago

Top 5 Tips to Deal With Rust On Your Car

Summary Wash your car every week and bring it to a professional car cleaner every few months to help prevent…

6 months ago

How To Remove Rubber Grommet Plugs and Other FAQ

Summary Also known as an edging or a bushing, a rubber grommet is a small tube covering a panel hole's…

6 months ago

What Is Clutch Chatter and Should You Watch Out For It?

Summary Clutch chatter is a vibration or shudder that affects the whole vehicle, and it originates from the driveline or…

6 months ago

Are High RPM Bad For Diesel Engines?

Summary Generally, you shouldn’t drive at high RPM in diesel vehicles unless you need high speed, such as during overtaking.…

6 months ago

Air Bag Replacement: Cost, Process, and Other FAQs

Summary Replacing air bags could cost you anywhere between $1,500 and $6,000. The impact sensor, the control module, and the…

6 months ago

Bottle Jack vs Floor Jack: What’s the Difference?

Summary Bottle jacks are compact, bottle-shaped, heavy-duty jacks with a vertical hydraulic piston. Floor jacks are flat and use a…

6 months ago

Cooling System Must-Haves for Better Engine Performance

Summary In some cases, extremely hot temperatures can become too unbearable even for a cooling system that’s been running well…

6 months ago

How to Clean and Organize Your Garage Tools

Summary How to clean a garage tool typically depends on its size, use, and material. Cleaning tools usually require rust…

6 months ago

Does Driving Slower Save Gas?

Summary Driving slower than 60 mph can help you save gas, but driving slower than 30 mph can burn more…

6 months ago

Why Your Brake Pad Is Separating From the Brake Plate

Summary Brake pad delamination is when the friction lining on a disc brake pad separates from the steel backing plate.…

6 months ago

Why Does a Gasoline Engine “Diesels” When You Shut It Off?

Summary Dieseling happens in carbureted spark plug-fired gasoline engines because of a combination of high compression ratio and a heat…

6 months ago

Tips for A/C Compressor Replacement

Summary The A/C compressor circulates and pressurizes the A/C system’s refrigerant. If the compressor is inoperative, your vehicle’s A/C will…

6 months ago

How To Fix Your Car Horn

Summary To fix a faulty car horn, you’ll need to prepare the necessary tools and diagnose the issue first. Check…

6 months ago

Car Oil Pan Gasket Replacement Tips

Summary It's a good idea to replace the oil pan gasket during an oil change. Choose a replacement oil pan…

6 months ago

Tips on How to Recalibrate a Torque Wrench

Summary Torque wrenches are used to tighten fasteners such as bolts, screws, and nuts to a specific torque. You’ll need…

6 months ago

What is an Exhaust Hanger? Replacement and FAQs

Summary Exhaust hangers are used to secure and fasten a vehicle’s exhaust pipe to its undercarriage, preventing it from hanging…

6 months ago

Most Common CVT Transmission Problems

Automakers have always been in pursuit of creating the best vehicles possible, whether it be in the field of engine…

6 months ago

Your Guide to Powder Coating Wheels: Types, Process, Pros, Cons, and More

Summary Powder coating is a dry finishing process that uses powder to give surfaces a decorative and functional finish. Common…

7 months ago

Brake Pads Wearing Down Too Fast: Causes, Effects, and More

Summary New brake pads can wear out early because of bad calipers and pins. Some causes of uneven brake pad…

7 months ago

Mechanic’s Review: Motorcraft Replacement Alternator | 2006 Ford Explorer

Summary You may need a replacement alternator if your existing one is producing a bad ripple pattern viewable on a…

7 months ago

Your Guide to Understanding the Basics of the Crankshaft and Camshaft

Summary The crankshaft and camshaft work together to allow the engine to “breathe.” The engine delivers torque  through the transmission…

7 months ago

Can You Jump a Hybrid Car?

Summary Yes, you can jump-start hybrid cars. Make sure to consult your vehicle owner’s manual because some models have special…

7 months ago

How to Keep Your Vehicle From Being a Target

Summary A total of 1,020,729  vehicles were stolen in 2023, resulting in a staggering 25% increase in vehicle theft rates…

7 months ago

Glazed Brake Pads: Symptoms, Causes, and Fix

Summary Brake pad glazing happens when the brake friction material hardens and crystallizes due to excessive heat. Some symptoms include…

7 months ago

How to Make Your Car’s A/C Colder

Summary Air conditioning systems in vehicles are closed and sealed units wherein a belt-driven compressor circulates refrigerant throughout the system.…

7 months ago

How Long Does a Brake Job Take? Plus FAQs

Summary A complete brake job has an estimated labor time of anywhere between four and six hours, depending on several…

7 months ago

Why Is There a 14-Volt Reading For Your Car Battery?

Summary While your car battery is a 12-volt unit, its voltage readings appear higher for various reasons. Factors like battery…

7 months ago

What Do You Need to Put Your Car in Long Storage?

Summary A battery tender prevents the car battery from getting discharged. Car covers, jack stands, and wheel chocks help prevent…

7 months ago

Should You Use Anti-Seize on Lug Nuts?

Summary Anti-seize compounds are lubricants that mechanics and DIYers place on bolts, fasteners, flanges, and other metals to prevent corrosion,…

7 months ago

What Is a Tone Ring and Can You Fix It in Place?

Summary Also known as the reluctor ring, the tone ring is the part of the wheel speed sensor that sends…

7 months ago

Tips To Remove a Stuck Leaf Spring Bolt

Summary An air chisel or impact hammer is the perfect tool to push the bolt stuck in the leaf spring…

7 months ago

Steering Wheel Locked Up: Causes and How to Fix It

Summary There is a difference between “difficult to steer” and locked up. If your steering wheel locks up when driving,…

7 months ago

Does Running the Air Conditioner Use More Gas?

Summary The fuel-efficient choice between driving with the A/C on and driving with the windows down will depend on several…

7 months ago

Common Types of Mufflers

Summary The common types of mufflers are chambered, straight-through, glasspack, and turbo mufflers. Consider noise reduction, sound adjustment, and space…

7 months ago

Tips for How To Test Brake Lights

Summary Testing your brake lights can be as simple as having a friend or family member stand behind the vehicle…

7 months ago

When Should You Check Your Engine’s Oil Levels?

Summary It’s generally a good idea to check your engine’s oil levels every month or before a long drive. Checking…

7 months ago

Car Temperature Gauges: Mechanical vs. Electric

Summary Your vehicle’s temperature gauge is a part of its emissions control system. The gauge measures engine coolant temperatures, relaying…

7 months ago

Tips on How To Use a Mass Air Flow Sensor Cleaner

Summary To clean your MAF sensor, you’ll need to prepare the necessary tools, let the engine cool down first, and…

7 months ago

Tips on How to Test the Radiator Fan

Summary There are a few ways to test the radiator fan. You can connect the radiator fan to the car…

7 months ago

Can You Skip Gears When Downshifting?

Summary It’s generally safe to skip gears when downshifting as long as you release the clutch when the vehicle has…

7 months ago

Causes of Excessive Play on the Steering Wheel, Explained

Summary Excessive play refers to when the steering wheel feels loose. It typically forces the driver to overcompensate while steering…

7 months ago

A Brief History of Automotive Mirrors

Summary The first rear-view mirror was introduced when part-time racer Ray Harroun installed one on his Marmon Wasp during the…

7 months ago

Handy Tools and Tips for a DIY Oil Change

Summary Regularly changing the oil keeps your engine clean. It also prevents dirt and debris from damaging the engine.Some tools…

7 months ago

Exhaust Coupling Alternatives (No Welding Needed)

Summary Installing an exhaust coupler is a cost-effective way to save a damaged exhaust pipe.You can use U-bolts, band sleeves,…

7 months ago

When to Junk Your Car: Signs to Look Out For

Summary Perhaps the most obvious sign to junk your car is if your repair bills are worth more than the…

7 months ago

Bad Strut Mount Bearing Symptoms: When Should You Replace It?

Summary Common signs a strut mount bearing needs replacement include steering difficulties, uneven tire wear, and squeaking noises when driving.If…

7 months ago

How Does a Steering Wheel Return to Center?

Summary The caster angle and self-aligning torque work together to make the steering wheel return to the center position. If…

7 months ago

Possible Causes of a Hard-Shifting Automatic Transmission

Summary Low transmission fluid, faulty speed sensors, bad shift solenoids, and a damaged valve body are some of the reasons…

7 months ago

Suspension Upgrades for Better Ride Quality

Summary Suspension parts are all about absorbing road impact to give you a smooth and comfortable driving experience. Air suspension…

8 months ago

Tips and Vehicle Upgrades for Better Handling

Summary Handling is always an important factor to consider when in the market for a new or used vehicle. Essentially,…

8 months ago

Automotive Window Glass: A Brief Guide

Summary The common types of automotive window glass are laminated glass and tempered glass.Laminated glass is very tough, deflects outside…

8 months ago

What Exactly Are Suicide Doors on a Car?

Summary Unlike traditional doors that hinge near the front tires, suicide doors are rear-hinged doors on the side of a…

8 months ago

When Should You Replace Your Vehicle’s Weatherstripping?

Summary You can expect your vehicle’s weatherstripping to last anywhere between 5 to 10 years. Once your vehicle reaches this…

8 months ago

Cheapest Car Mods Under $100

Summary There are hundreds of affordable upgrades in the market that won’t cost you thousands of dollars but are enough…

8 months ago

Why Don’t Sedans Have Rear Windshield Wipers?

Summary Sedans generally don’t have windshield wipers on their rear windshields. Some of the reasons for not putting a rear…

8 months ago

Flat, Ball, and Acorn Lug Nuts: Seating Styles Explained

Summary The seat is the part of the lug nut that sits flush against the wheel surface. Different wheels have…

8 months ago

Is a Tire Pressure Monitoring System Sensor Battery Replacement Possible?

Summary TPMS sensor batteries aren’t designed to be replaced. A layer of potting material seals the battery and other electronic…

8 months ago

How To Drain a Torque Converter

Summary Some believe that torque converters don’t need flushing. They claim that dirty transmission fluid actually improves the transmission’s grip…

8 months ago

Refrigerant Leak Detector vs. UV Refrigerant Dye

Summary UV leak detection injects refrigerant dye into the A/C to locate refrigerant leaks. Electronic leak detection uses a sniffer…

8 months ago

What To Do When Metal Is Showing In Your Tire

Summary When a tire starts to show its wire bead, it’s either been damaged or driven past its expected lifespan.…

8 months ago

Do Diesel Cars Need To Be Started Daily?

Summary You don’t have to run your diesel car every day. Most modern diesel vehicles are equipped with common rail…

8 months ago

What Is a Transfer Case Range Position Sensor?

Summary The transfer case position sensor is a component that communicates the transfer case’s position to the vehicle’s computer. Your…

8 months ago

Overfilled Coolant Reservoir: Consequences, Causes, and Solutions

Summary You shouldn’t overfill your coolant reservoir. Doing so will cause the cooling system to push the coolant out of…

8 months ago

How To Use Fuel Injector Cleaner and Other FAQ

Summary Fuel injector cleaners remove carbon buildup and other debris from fuel injectors.Buying the correct fuel injector cleaner, taking the…

8 months ago

EMI Vs. RFI: A Quick Guide

Summary EMI stands for electromagnetic interference, and RFI stands for radio frequency interference.EMI and RFI can interfere with electrical parts…

8 months ago

Tips and Tricks for Routing a Wiring Harness

Summary Routing a wiring harness can be a complicated task because there can be up to 5,000 feet of wires…

8 months ago

What Is a Mild Hybrid?

Summary Mild hybrid systems rely on a battery-powered, low-output electric motor to start, brake, and slow the vehicle. The motor…

8 months ago

Does Battery Reconditioning Really Work?

Summary Also known as battery refurbishing, battery reconditioning is the process of cleaning sulfate crystals from the battery plates and…

8 months ago

Can Electric Cars Drive Through Shallow Water Safely?

Summary EVs can handle shallow bodies of water just like gasoline and diesel vehicles.Electric cars have features like a robust…

8 months ago

How Do Headers Improve Engine Performance?

Summary An exhaust header gives an engine longer and wider pipes. These pipes reduce engine back pressure and create a…

8 months ago

How To Inspect Car Coolant Hoses

Summary To inspect your coolant hoses, let your engine warm first. Then, you can perform a squeeze test and visually…

8 months ago

Power Seat Switch Replacement Tips

Summary You need a trim removal tool, a pry tool, and a screwdriver to replace a faulty power seat switch.The…

8 months ago

Is Your A/C Stuck On Defrost Mode? Possible Causes and Fixes

Summary Over time, the defrost door actuator in your car’s air conditioning system can fail. If the actuator is electric,…

8 months ago

Refurbished Car Batteries: What You Need To Know

Summary As a battery ages, it begins to discharge in a chemical process called sulfation. A discharged battery takes longer…

8 months ago

Brake Light Wiring 101: How It Works and Fixing Common Issues

Summary While the exact design can vary depending on your car’s year, make, and model, most brake lights are red…

8 months ago

Hydraulic Brake Conversion FAQ

Summary Hydraulic brake conversion replaces mechanical brakes with more modern and efficient hydraulic brakes.You’ll need a hydraulic brake conversion kit…

8 months ago