There is nothing worse than a weird clunking sound coming from your car and no idea what it means. Whether you’re trying to describe a hissing engine to a garage owner, or you just want to understand the massive repair bill you’ve just been handed, this guide will help you talk to your mechanic with confidence.
10 On-the-Job Mechanic Words
These are the words you’ll hear a mechanic use every day, in alphabetical order. The three marked Featured appear in the photo at the top of this page.
brake (noun) — a device used to slow down or stop a vehicle.
“He checked the brake pads before giving the car back to the customer.”
diagnose (verb) — to find the exact cause of a problem with a vehicle.
“It took an hour to diagnose the strange noise under the bonnet.”
dipstick (noun) — that metal stick (usually with a yellow or orange loop) that you pull out of the engine and wipe on a paper towel to check your oil levels. · Featured
“He pulled out the dipstick to see if the car needed more oil.”
engine (noun) — the part of a vehicle that produces the power to make it move. · Featured
“Smoke was coming from the engine when the car pulled in.”
gauge (noun) — a tool used to measure something precisely, such as pressure or thickness.
“She used a gauge to check the tyre pressure.”
mechanic (noun) — a person skilled in repairing and maintaining vehicle engines. · Featured
“The mechanic leaned over the engine, checking the oil.”
service (verb) — to check and maintain a vehicle so that it keeps running well.
“The garage services the car every 12,000 miles.”
spanner (noun) — a tool used for gripping and turning nuts and bolts.
“She reached for a spanner to loosen the bolt.”
spark plug (noun) — a small part that ignites the fuel inside an engine.
“A worn spark plug was making the engine misfire.”
tune-up (noun) — a general check and adjustment of a vehicle to keep it running smoothly.
“He booked the car in for a full tune-up before the long drive.”
How to Talk About Being a Mechanic
Beyond the toolbox, here’s vocabulary for talking about the career itself. It’s loud, it’s physically exhausting, and modern mechanics need to know as much about computers as they do about engines.
apprenticeship (noun) — a period of training where someone learns a trade while working, usually under a qualified professional.
“He trained through a three-year motor vehicle apprenticeship.”
client (noun) — a person or business that pays for a professional’s services.
“She explained the repair to the client before starting the work.”
diagnostics (noun) — what happens when the mechanic plugs your car into a laptop to figure out why the dreaded ‘Check Engine’ light is glaring at you.
“Modern garages rely heavily on computer diagnostics.”
hands-on (adjective) — describing work that involves a lot of physical activity and manual skill.
“Being a mechanic is a hands-on job that suits people who don’t mind coming home with grease permanently under their fingernails.“
qualified (adjective) — having the right training, certificate, or experience to do a job.
“Always check that a mechanic is fully qualified before booking a repair.”
roadside assistance (noun) — help given to a driver whose vehicle has broken down away from a garage.
“He works nights doing roadside assistance for a breakdown company.”
specialisation (noun) — a particular area of skill or knowledge that someone focuses on within their job.
“Her specialisation is electric and hybrid vehicles.”
technician (noun) — a person skilled in the practical, technical side of a trade or profession.
“The garage employs six technicians.”
Teacher’s Note: UK vs US English
Mechanics have the biggest UK/US vocabulary divide of any job in this series — you’ll have noticed we already used spanner (not wrench) and bonnet (not hood) above. Here’s why, and what you’ll hear if the American versions come up elsewhere.
- Spanner is the British English word for this tool. In American English, it’s called a wrench.
- Bonnet is the British English word for the front cover over a car’s engine — that’s what “under the bonnet” means in the diagnose example above. In American English, that’s the hood.
- MOT (noun) — short for Ministry of Transport: the mandatory annual safety test that every car in the UK must pass to stay on the road (“The car failed its MOT because of a cracked headlight.”). It’s a uniquely British term with no single American equivalent — the closest is a State Inspection.
Quick Check
For teachers: free printable worksheet
Using this page in class? Download our free mechanic vocabulary worksheet: a word list, matching, a gap fill, talking-about-the-job questions and a role play, with an answer key. Two A4 pages, ready to print.
Download the worksheet (PDF)Get the Free Trades English Teacher Pack
Using this page in class? Get all ten jobs in one free PDF: ten worksheets with answer keys, word lists with labelled photos for all 180 words, and a ready-made lesson plan. Sign up below and we’ll send it straight to your inbox.
Frequently Asked Questions
A dipstick — that metal stick that you pull out and wipe on a paper towel to check your oil levels.
An apprenticeship is a period of training where someone learns vehicle repair while working — usually two to three years, under a qualified technician.
Everyday English classes often skip the words used in real workplaces. If you’re learning English for work, travel, or exams, knowing this kind of vocabulary makes real conversations — booking a repair, describing your own job, understanding a diagnosis — much easier.
More from the Careers Vocabulary Series:
- Carpenter Vocabulary
- Chef Vocabulary
- Dentist Vocabulary
- Electrician Vocabulary
- Farmer Vocabulary
- Hairdresser Vocabulary
- Nurse Vocabulary
- Plumber Vocabulary
- Veterinarian Vocabulary
If you enjoyed this, you might also like our guides to Phrasal Verbs For The Office and Workplace Idioms. Got a mechanic word we missed, or one that’s different where you live? Tell us on X — @EnglishStudy.
