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.

What Are Exhaust Cutouts? How to Install, Maintain, and More

Summary Exhaust cutouts are aftermarket modifications installed in the exhaust system that lets you control the flow of exhaust gases.…

2 months ago

New Spark Plug Turns Black: Causes and Solutions

Summary Spark plugs are responsible for delivering the high voltage spark that will ignite the air-fuel mixture. When a new…

2 months ago

Engine Air Filter vs. Cabin Air Filter: Key Differences Explained

Summary Most modern vehicles have two air filters: the engine air filter and the cabin air filter. They essentially serve…

3 months ago

Acceleration Rattle: Possible Causes

Summary Acceleration rattle can sound like buzzing, humming, or grinding. A soft/failed motor mount is one possible cause. Others include…

3 months ago

How To Stop the Coolant Leaking From the Bottom of Your Car

Summary The common places where coolant leaks from include cracked or loose hoses, worn or broken plastic hose connectors, cooling…

3 months ago

Heating System Parts

Summary The heart of your vehicle’s system is its heater core, and the blower motor is like the lungs. Heater…

3 months ago

How Long Do Starters Last In a Car?

Summary Car starters usually last between 80,000 and 100,000 starts or between 100,000 and 300,000 miles. Some of the most…

3 months ago

How to Break the Bead on a Tire

Summary Breaking the tire bead involves pushing the bead down into the center part of the rim. Breaking a tire…

3 months ago

Tips for Inspecting a Used Car

Summary A seller can hide a lot of flaws behind an online listing. One of the most important reasons you…

3 months ago

Why Does My New Windshield Have an Oily Film on It?

Summary An oily film forms on windshields when it gets hot enough to burn any oily contaminants on their surface.…

3 months ago

Reasons Why Your New Power Steering Pump Is Whining

Summary Cavitation is one of the most common reasons why your new power steering pump could be whining. Topping up…

3 months ago

What Is an LS Swap?

Summary An LS engine swap is the process of replacing a vehicle’s stock engine with any LS engine from General…

3 months ago

How to Compress a Brake Caliper

Summary Corrosion is the main reason why a brake caliper could get stuck. There are different ways to compress a…

3 months ago

A Step-by-Step Guide on Headlight Sealing

Summary Headlight sealants are designed to reseal leaking headlight assemblies to keep moisture out of headlights. The most common headlight…

3 months ago

How to Repair Auto Body Rust Holes Plus Tips for Prevention

Summary Repairing rust holes without welding requires tools, safety gear, and step-by-step preparation, patching, sanding, and painting. Moisture, salt, and…

3 months ago

Hood Struts: What They Are, How To Replace Them, and More

Summary Hood struts, also known as hood lift supports or hood shocks, help keep the car hood open and support…

3 months ago

How Much Horsepower Does a Twin Turbo Add?

Summary A twin turbo is essentially a dual turbocharger setup that aims to improve engine performance and power. Turbo lag…

3 months ago

Auto Body Replacement Panels: When and How to Do It, What to Consider, and FAQs

Summary Some reasons to replace auto body panels include extensive damage and rust. It’s also a good idea if you’ve…

3 months ago

How Do Engine Oil Life Monitoring Systems Work?

Summary First introduced by General Motors in the late ‘80s, the oil life monitoring system alerts drivers whenever their vehicles…

3 months ago

What Problems to Look for When Buying a Used Manual Transmission Vehicle

Summary Some issues to look for when buying a used manual vehicle include transmission leaks, transmission troubles, and gear shifting…

3 months ago

Parts to Keep an Eye on to Extend Engine Lifespan

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

3 months ago

Have Sugar In Your Gas Tank? Here’s What to Do

Summary Sugar won’t dissolve in gasoline. If someone puts it in your vehicle’s fuel tank, it won’t lead to the…

3 months ago

What Are Boots for Spark Plugs?

Summary Spark plug boots insulate the connection where the ignition cable connects to the spark plug. Coil-on-plug boots are the…

3 months ago

What To Do if Engine Coolant Over-Temperature Light Is On

Summary An illuminated engine temperature warning light, sweet odor, and steam from the engine bay are common signs of an…

3 months ago

Tips for Changing a Blower Motor

Summary The blower motor forces air through your vehicle’s heating, ventilation, and air conditioning (HVAC) system. When you adjust your…

3 months ago

How To Replace a Camshaft Cap and Other FAQ

Summary When replacing a camshaft cap, be sure to prepare the necessary tools, carefully remove the camshaft bearing cap bolts,…

3 months ago

Why Your Automatic Car Jerks When Speeding Up At Low Speeds

Summary Some Hyundai vehicles with a gasoline direct injection engine and automatic transmission can jerk when accelerating at lower speeds.…

3 months ago

How to Build Your Own Roadside Emergency Kit

Summary Must-haves for your DIY roadside emergency kit include a lug wrench, tire patch kit, tire pressure gauge, and spare…

3 months ago

Lighter Than Air: Air Suspension Parts for an Effortless Drive

Summary Your air suspension system does a lot of things for you一it enhances your ride comfort, prolongs the lifespan of…

3 months ago

The Best Holiday Presents for the Dedicated DIYer

Gift-giving season is almost here一which also means there’s tons of shopping to do! Delight the car enthusiasts in your life…

3 months ago

5 Rugged Car Accessories to Gift on Veterans Day

Summary Veterans Day is the perfect occasion to show appreciation to former servicemen of the United States Armed Forces. Step…

3 months ago

Ford Diesel Fuel Pump Problems and How to Avoid Them

Summary The fuel pump is an integral part of the fuel system. The pump draws fuel out of the tank,…

3 months ago

Brake Shoes: Function, How to Measure, and FAQs

Summary Brake shoes are a pair of crescent-shaped steel components mounted to a heavy backing plate so that their friction…

3 months ago

Why Your A/C Turns off Due to High Engine Temp

Summary If your car’s A/C shuts off due to high engine temperature, then it might be because of low coolant…

3 months ago

What Happens If You Shift Into Reverse While Driving Your Car?

Summary Shifting into reverse while driving forward won’t stop your car, so don’t use it as a makeshift brake. The…

3 months ago

Tips on How to Test the Camshaft and Crankshaft Position Sensors

Summary If your vehicle has engine-related issues, testing the camshaft and crankshaft position sensors might be necessary to rule them…

3 months ago

What Is Vertical Acceleration in Cars?

Summary Vertical acceleration is acceleration in a vertical, rather than horizontal, direction. To minimize the effects of vertical acceleration on…

3 months ago

How Does a Car Heater Work?

Summary Car heating systems consist of a heater core, blower motor, heater hoses, heater control valve, and HVAC control panel.…

3 months ago

Tips on How to Grease Trailer Wheel Bearings

Summary Trailer bearings are small metal rollers located in a trailer’s wheel hub. Over time, the grease inside a trailer…

3 months ago

Garage Tools 101: Hex Key vs. Allen Wrench

Summary The only difference between an Allen wrench and a hex key is their names. Both names are used to…

3 months ago

Coolant in Oil: Causes, Symptoms, and What To Do

Summary Engine coolant can only mix with oil if your engine or oil cooler has an issue. If you find…

3 months ago

Why Is My Car Losing Power? Troubleshooting Engine Issues

Summary Many issues can cause your vehicle to lose power. Most of the time, these problems will show other symptoms…

3 months ago

Mazda CX-30 Turbo Problems

Summary Reliability ratings for the Mazda CX-30 continue to soar over the years, with the 2024 CX-30 earning a 9.1…

3 months ago

What Are the Pros and Cons of Upgrading to Smart Rearview Mirrors?

Summary Smart rearview mirrors are an advanced form of safety technology that uses cameras and LCDs as opposed to traditional…

3 months ago

Parts to Replace After Reaching the 100,000-Mile Mark

Summary A properly maintained vehicle should have no issues working past the 100,000-mile mark. Some things you need to check…

3 months ago

Safeguard Your Ride From the Elements: Products for Weatherproofing Your Vehicle

Summary Some of the best items for weatherproofing your vehicle include car covers and wiper blades. Other accessories for driving…

3 months ago

Why Is the BMW Gas Only Showing Half Tank? Causes and Fixes

Summary Common causes for your BMW showing only half a tank of fuel include bad fuel gauges, inoperative sending units,…

3 months ago

What Do I Do with Old Car Parts? Options, Proper Disposal, and More

Summary You can do a lot with old car parts that could contribute to the environment and even make you…

3 months ago

Brake Pads Cracking? These Could Be Why

Summary While brake pads do have a predicted lifespan, there might be times when they tend to wear out faster…

3 months ago

Tips on How To Remove an Intake Manifold

Summary Because it's part of the engine, your vehicle’s intake manifold isn't easy to replace for beginners. We recommend taking…

3 months ago

How To Use a Dial Bore Gauge

Summary A dial bore gauge is a type of bore gauge that measures an engine’s cylinder bore, or the diameter…

3 months ago

Electronic Limited Slip Differential: A Brief Guide

Summary eLSD refers to a limited slip differential with electronic controls. The electronic limited slip differential automatically restricts the difference…

3 months ago

How To Adjust Air Brakes

Summary The exact procedure of air brake adjustment can vary depending on the type and size of the brake chamber,…

3 months ago

Should Automakers Bring Back Buttons Over Touchscreens?

Summary The first car to have a touchscreen was the 1986 Buick Riviera, which had a "Graphic Control Center" with…

3 months ago

Brake Parts Upgrades for Maximum Stopping Power

Summary Many drivers get by without upgrading auto parts, mainly because they stick to their vehicle’s preventive maintenance schedule. Still,…

4 months ago

Add to Cart! Aftermarket Upgrades to Boost Fuel Economy

Summary Performance tuners, cat-back exhausts, and cold air intakes are some upgrades that can boost your vehicle’s fuel economy. When…

4 months ago

Leaf Springs: A Quick Guide

Summary A leaf spring suspension uses one or more curved metal plates connected to the chassis and both ends of…

4 months ago

The W12 Engine: A Brief Guide

Summary The W12 engine is a W-shaped engine with 12 cylinders and a common crankshaft. Volkswagen manufactures the WR12 engine,…

4 months ago

What Are Handheld Tire Inflators? Do They Work?

Summary A handheld tire inflator is a great tool to have because you can keep your vehicle at its optimum…

4 months ago

Why Did Your Vehicle’s Serpentine Belt Snap?

Summary If your vehicle’s serpentine belt snaps, it might become difficult to control and may lose electrical power Things that…

4 months ago

Is It Safe To Drive With a Dead Cylinder?

Summary We don’t recommend driving around with a dead cylinder. One dead cylinder will likely lead to another, causing your…

4 months ago

Fuel Cleaners: Do They Actually Work?

Summary The fuel cleaner removes contaminants in the fuel system and engine. Fuel system cleaners work, but you have to…

4 months ago

How to Unseize Rusted Pistons

Summary The best solution when it comes to removing rust and unseizing pistons is vinegar. Pour white vinegar into the…

4 months ago

What Is a Radiator Fan Shroud?

Summary A radiator shroud is a piece of metal or plastic that fits over the radiator fan to draw air…

4 months ago

Why Should You Replace the Timing Belt and Water Pump Together?

Summary On vehicles where the timing belt drives the water pump, it only makes sense to replace the timing belt…

4 months ago

Understanding the Different Types of Hybrid Cars

Summary There are four different types of hybrid cars: plug-in, series, parallel, and series-parallel hybrids. Hybrid vehicles can be classified…

4 months ago

Avoid These Driving Habits That May Ruin Your Brakes

Summary Braking downhill and slamming the brakes are bad habits that can potentially destroy your vehicle’s brakes. Inspect your brakes…

4 months ago

How to Tell if the Turbo Is Bad

Summary The turbocharger increases a vehicle’s overall performance by boosting horsepower and fuel efficiency. Some signs of a bad turbocharger…

4 months ago

How to Sync a Key Fob: Types, Common Problems, and More

Summary To sync or program a keyfob, you'll have to insert the key into the ignition and switch it on…

4 months ago

Step-By-Step Guide on How to Use Jack Stands Safely

Summary Jack stands support a vehicle after it's been lifted by a jack. Place the jack stands underneath the car…

4 months ago

What Is a Radiator Cap? Functions, Symptoms, Replacement, and More

A car's cooling system keeps the engine running at a safe temperature to prevent overheating. One component that aids in…

4 months ago

Car Door Vapor/Moisture Moisture Barrier: a Quick Guide

Summary A car door vapor/moisture barrier is the protective plastic sheet you see when you remove a car door panel.…

4 months ago

What Happens When Your Vehicle’s Timing Belt Breaks?

Summary If your timing belt breaks, you’ll know immediately because your engine will stall and your vehicle will grind to…

4 months ago

Do EVs Have Radiators?

Summary No, EVs don’t have radiators like those in traditional combustion vehicles, but they do use heat exchangers that are…

4 months ago

Understanding Pinion Angle

Summary Pinion angle is the angle of the differential pinion in relation to the driveshaft. The pinion angle should be…

4 months ago

Recommended Car Cleaning Components: a Quick Guide

Summary Always have some car wash soap and car wax to clean your vehicle and keep it that way for…

4 months ago

Why You Shouldn’t Overfill Your Engine Oil

Summary Overfilling your engine with oil may result in engine damage caused by foaming in the crankshaft, increased oil pressure,…

4 months ago

What Is a Lighting Control Module? Benefits, How to Reset, and More

Summary While most vehicles use the BCM to control the lights, some vehicles are equipped with a lighting control module…

4 months ago

How To Find a GPS Tracker in Your Car

Summary There are two GPS tracker types: real-time GPS trackers (active) and GPS data loggers (passive). To locate a GPS…

5 months ago

How Do Hydrogen Engines Work?

Summary As its name suggests, a hydrogen engine is a type of engine that uses hydrogen as a clean fuel…

5 months ago

What Does Your Car’s Auto A/C Button Do?

Summary The auto button activates the HVAC system’s auto setting, which optimizes various HVAC settings such as the blower’s fan…

5 months ago

OBD Code Readers and Other Diagnostic Tools for Cars

Summary Diagnostic trouble codes (DTCs) can point you in the right direction if you or your mechanic is looking to…

5 months ago

Why Do Some Radiators Have Transmission Lines?

Summary Also known as the transmission cooling line, the transmission cooler line is a type of hose that helps regulate…

5 months ago

Accidentally Put Power Steering Fluid In Brake Fluid Reservoir? How to Fix

Summary If you put power steering fluid in the brake reservoir, you should be quite concerned. Power steering fluid and…

5 months ago

Your Car Maintenance Checklist for Long-Lasting Performance

Summary Long-term check-ups are inspections you should do at least once a year. Some of them include checking the transmission…

5 months ago

The Oil Lubrication System: What It Is, How It Works, and More

Summary The engine lubrication system stores, splashes, and pumps oil inside the engine to keep moving parts lubricated. Some of…

5 months ago

Warning: These Car Parts Could Cost You Thousands to Repair or Replace

Summary The engine assembly is among the most expensive parts to repair and replace. It can cost you $16,400 or…

5 months ago

What Is An Injection Control Pressure Sensor or Fuel Rail Pressure Sensor Used For?

Summary Injection control pressure sensors (ICP) are responsible for monitoring the pressure levels of the fuel in the rail feeding…

5 months ago

Essential Tools and Equipment for Undercarriage Maintenance

Summary If you plan on doing maintenance on the undercarriage of your vehicle, you can make the process much easier…

5 months ago

Your Short-Term Car Maintenance Checklist for Long-Lasting Performance

Summary Cars naturally exhibit various types of wear over time. Some easy short-term check-ups you can do yourself include checking…

5 months ago

Defogging the Windshield: Causes and Prevention

Summary Humidity, condensation, and surface tension all cause fogging on the windshield. Some tips for defogging a windshield include activating…

5 months ago

Mechanic’s Review: Denso Replacement Oxygen Sensor | 2006 Ford Explorer

Summary You may need a replacement oxygen sensor if your existing O2 sensor’s pattern on a scan tool appears ragged…

5 months ago

Tips for How To Brake While Towing

Summary Towing a trailer or any sort of heavy weight behind your vehicle affects braking distance, meaning it’s more difficult…

5 months ago

Does Your Diesel Engine Have Power Loss When It’s Under Load?

Summary Blockages in your vehicle’s exhaust system like a clogged catalytic converter or diesel particulate filter can cause increased backpressure,…

5 months ago

Should You Install an Inline Transmission Filter?

Summary An inline transmission filter protects your vehicle’s transmission system by filtering contaminants like dirt and debris from your vehicle’s…

5 months ago

How Long Do Coil Packs Last?

Summary Manufacturers typically design ignition coils to last the vehicle's lifetime, so you don’t need to change them as often…

5 months ago

Bidirectional Charging and the Future: V2H Charging Explained

Summary Bidirectional charging is a two-way process that lets EV chargers flow energy into and out of a vehicle. Vehicle-to-house…

5 months ago

Mean Machines: Understanding Turbocharged Diesel Engines

Summary While a lot of diesel engines come with turbochargers nowadays, there are still a handful of them that are…

5 months ago

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