Andrew Everett
Master Mechanic
wikiHow's Editorial Process wikiHow partners with over 1000+ experts from a wide range of fields to ensure our content is accurate and based on well-established research and testimony. Content Managers conduct interviews and work closely with each expert to review information, answer reader questions, and add credible advice. Learn more about our editorial process and why millions of readers trust wikiHow.
Co-authored Articles (3)
How to
Clean Your EGR Valve
Since the 1960s, vehicle manufacturers have installed Exhaust Gas Recirculation (EGR) valves to reduce nitrous oxide (NOX) emissions. The EGR valve recirculates a small amount of exhaust into the combustion cycle. The wa...
How to
Fix a Brake Fluid Leak
When your brake light comes on, your brake responsiveness fades or your brake pedal begins to sink toward the floor, you may have a brake fluid leak. Another telltale symptom is a fresh puddle of fluid beneath your car; ...
How to
Diagnose a Slipping Clutch in Your Car
For many drivers, shifting a standard transmission automobile is an essential part of the driving experience. Unfortunately, if you drive in a highly congested area with many stops, you may have developed some bad shifti...