June, 2026 - Webbie's Mechanical

Cold-start trouble on a Mitsi Fuso — what a seized EGR valve actually does

by webbiesmechanical | Jun 29, 2026 | From the Workshop Floor

A Mitsi Fuso, a regular customer, and a hard cold start A regular customer rolled their Mitsubishi Fuso into our Welshpool workshop the other day for its B service. While we were booking it in, he mentioned two things: a few lights out, and that the truck was hard to...

When Your Truck Starts Running Hot — Don’t Ignore It

by webbiesmechanical | Jun 22, 2026 | From the Workshop Floor

At first, it’s subtle. The temperature gauge sits a little higher than normal. Not overheating.Not boiling.Just… warmer. You tell yourself maybe it’s the weather.Maybe the load.Maybe the hills. But then the next day it does it again. And the day after that. That’s...

Air Con Repairs and Regasing

by webbiesmechanical | Jun 17, 2026 | From the Workshop Floor

It’s the colder months, but that doesn’t mean you want your truck’s air conditioning blowing warm air. After all, you’re still spending long days in the cab. And there’s nothing worse than 10–12 hours behind the wheel with warm air...

When “Fixed” Still Leaks

by webbiesmechanical | Jun 15, 2026 | From the Workshop Floor

You get a repair done and expect the problem to be over. That’s the whole point, right? So when this blue Volvo rolled into the workshop with fresh oil underneath it, the driver was understandably frustrated. “Got the front seal done last week,” he said.“Still...

The tiny gap that decides if your engine survives

by webbiesmechanical | Jun 8, 2026 | From the Workshop Floor

A tiny gap at the top of your engine. Get it wrong and the valves can drop into the piston. An overhead set is the job where we adjust the clearance — the valve lash — between the valves and the rockers at the top of your engine. Too much and you’ll hear...

« Older Entries

Cold-start trouble on a Mitsi Fuso — what a seized EGR valve actually does

When Your Truck Starts Running Hot — Don’t Ignore It

Air Con Repairs and Regasing

When “Fixed” Still Leaks

The tiny gap that decides if your engine survives

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