A comprehensive guide to the periodic brake maintenance schedule, brake inspection checklist, brake stroke measurement, and brake lining replacement timing
A comparison of air disc brake and drum brake systems in heavy commercial vehicles in terms of cooling, maintenance, performance, and cost.
Symptoms and causes of a crankshaft seal oil leak, plus the difference between front and rear crankshaft seals. What to do if an engine seal is leaking oil
A comprehensive VADEN ORIGINAL guide to what a crankshaft is, what it does, failure symptoms, the crankshaft position sensor, and maintenance in heavy-duty
What a wheel hub is in heavy commercial vehicles, wheel hub bearing failure symptoms (noise, play, overheating), causes, and the VADEN ORIGINAL quality app
When should brake pads be replaced on heavy commercial vehicles, how long do they last, what are the wear signs, and what happens if they wear out? A VADEN
What a brake chamber (air chamber) is in heavy commercial vehicles, how it works, the difference with spring brake chambers, failure and air leak symptoms,
The function and operating logic of the diesel injection pump and fuel transfer pump, and the symptoms of fuel pump failure in heavy commercial vehicles. A
The function of the timing belt, when it should be replaced, the engine damage caused by a failure, and its relationship with the tensioner bearing. A tech
What is a slack adjuster (automatic slack adjuster) on heavy commercial vehicles, its function, working principle, brake stroke adjustment, failure symptom
What an exhaust manifold is in heavy commercial vehicles, its function, leak and cracking symptoms, causes, gasket replacement, and VADEN ORIGINAL's exhaus
The function of the V-belt in heavy commercial vehicles, the role of the tensioner pulley, noise and failure symptoms, what happens if the belt snaps, and
A guide to ABS sensor failure symptoms in heavy commercial vehicles, the ABS warning lamp, the sensor's function, and step-by-step inspection and cleaning
What an oil cooler is in heavy commercial vehicles, what it does, the symptoms of oil cooler failure and rupture (water in oil / oil in coolant), and a mai
The role of the air filter in heavy commercial vehicles, the effects of a dirty filter on the engine, warning signs and replacement interval. The VADEN ORI
A technical guide to the radiator's function in heavy commercial vehicles, signs of core blockage and coolant leaks, the link to engine overheating, and pr
A comprehensive cooling system guide for heavy commercial vehicles covering the role of antifreeze, the red vs green coolant difference, mixing warnings, a
What valve (rocker arm) clearance adjustment is in heavy commercial diesel engines, why valve clearance is needed, tapping and power-loss symptoms, and whe
What a charging alternator is in heavy commercial vehicles, its function, how it works, and failure symptoms such as battery drain, charge warning light, a
A technical guide to the role of the shock absorber in heavy commercial vehicles, its working principle, shock absorber failure symptoms, the shock absorbe
A comprehensive guide to the brake shoe and drum brake lining in heavy commercial vehicles: their function, the S-cam relationship, wear signs, and when to
What a starter motor is in heavy commercial vehicles, how it works, failure symptoms like no crank or clicking sounds, brush wear, and when brush replaceme
How truck and trailer air brake systems work, a full component glossary and expert fixes for the 10 most common air brake faults. VADEN ORIGINAL technical guide.
Take a detailed look at solenoid valves, a critical component of the ECAS (Electronically Controlled Air Suspension) system in heavy commercial vehicles. This article explains what the valves do, how they work, common faults, symptoms, and why maintenance is important.
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