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Founder and lead mechanic

Warren Holt

Warren ran a independent repair shop for twenty years before deciding that the most useful thing he could do was explain, in plain terms, what he was actually doing and why. He started this site after too many customers arrived having been told the wrong thing by someone who should have known better.

Focus areasEngine and drivetrainBrake systemsScheduled maintenanceWorkshop practice

grid pattern for Service History: What to Look For Buying a Car

Service History: What to Look For

Buyers spend an hour walking around a used car, kicking the tyres and listening to the engine, and five minutes flicking...

Warren HoltSep 14, 20265 min read
grid pattern for Weighing the Odds: Repair or Replace Buying a Car

Weighing the Odds: Repair or Replace

Every ageing car reaches the same fork. Something big fails, the quote lands, and you have to decide whether to spend the money...

Warren HoltSep 13, 20264 min read
Blue constellation pattern suggesting points of inspection on a vehicle Buying a Car

What to Inspect When Buying a Used Car

Most used car disappointment is predictable. Not all of it is avoidable, but a large part of what goes wrong in the first six...

Warren HoltSep 11, 20265 min read
Blue wave pattern suggesting the circulation of coolant through an engine Maintenance

Coolant Flush: When and How to Do It

Coolant gets less attention than oil in home maintenance guides, but it does the same category of work: it prevents a component...

Warren HoltSep 11, 20265 min read