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“More Play Than a Sock Full of Rocks” – Fixing the Float in This Western Star

by webbiesmechanical | Jul 30, 2025 | From the Workshop Floor

You know something’s not right when your steering feels like it’s guessing. That’s what the driver of this Western Star was dealing with — a front end that floated all over the road, and tyres that were wearing out faster than they should. The truck was towing two...

Why Do We Lube Head Bolts Before Installing Them?

by webbiesmechanical | Jul 28, 2025 | From the Workshop Floor

It’s not just a habit — it’s essential for accuracy and engine health. Lubing head bolts helps to:✅ Ensure even torque – Dry bolts can create friction, giving false torque readings and uneven clamping across the head.✅ Prevent galling or thread damage – Lubrication...

King Pins – The often forgotten about service check

by webbiesmechanical | Jul 25, 2025 | From the Workshop Floor

Lately, we’ve seen a run of worn king pins coming through the workshop — especially on larger prime movers. It’s one of those components that often gets missed during routine services, but plays a massive role in your steering, handling, and tyre wear. When king pins...

Coolant Leaks Can Stop You in Your Tracks 💧🚛

by webbiesmechanical | Jul 24, 2025 | From the Workshop Floor

Coolant leaks don’t just make a mess — they can lead to unexpected shutdowns and serious engine damage if left unchecked. A customer came in with their truck randomly shutting down, especially first thing in the morning. We ran a pressure test and spotted it straight...

The Morning Shutdown Mystery: A Coolant Leak Hidden in Plain Sight

by webbiesmechanical | Jul 23, 2025 | From the Workshop Floor

It’s early morning on the outskirts of Perth. A blue bonneted Kenworth with a Cummins engine is pulled up awkwardly on the side of the road, hazard lights blinking in the dawn light. The driver’s frustrated. This isn’t the first time the truck has shut down out of...
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