Jerry Petrillo, Author at Jerry Petrillo

Picture of a engine cylinder leak down tester - jerrypetrillo.com

engine cylinder leak down testing: Step-by-step

A drawing of a car engine that has engine misfires - jerrypetrillo.com

Engine Misfires Explained: Causes, Diagnostics, and Fixes

A picture of an old V style engine belt - jerrypetrillo.com

What does the engine belt do? engine Belts Explained

A person pouring coolant into a car after a coolant flush - jerrypetrillo.com

How Often Do You Need a Coolant Flush?

A person plugging a car tire - jerrypetrillo.com

How To Easily Plug a Tire using a Tire Plug Kit

A drawing of a tire and wheel balance - jerrypetrillo.com

what is the difference between an alignment and balancing tires?

A drawing of a line up of car tires on wheels - jerrypetrillo.com

Nitrogen vs. Air: The Hard Truth About Using Nitrogen in Tires

A drawing of a car with a big oil leak - jerrypetrillo.com

10 Engine Oil Leak Culprits And How To Spot Them Early

A man changing a car tire - jerrypetrillo.com

What Do You Need To Change a Tire in an Emergency?

A drawing of a cars chassis representing a wheel alignment - jerrypetrillo.com

What is a Car Alignment? My 25 Years of Alignment Experence