Water Pump: Faults, Replacement & Maintenance Guide
Heavy commercial vehicle Water Pump: fault symptoms, step-by-step replacement and maintenance. VADEN ORIGINAL technical guide.
Cooling System
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Articles
Truck Radiator & Expansion Tank: Faults, Replacement & Care
Diagnose radiator and expansion tank faults on heavy trucks: overheating, coolant loss, pressure caps, correct replacement steps and safe technical values.
Engine Coolant Thermostat: Faults, Replacement & Care
Heavy truck engine coolant thermostat guide: stuck-open vs stuck-closed faults, diagnosis, correct replacement, torque values and maintenance tips.
Viscous Fan Clutch: Fault, Replacement & Maintenance Guide
Heavy-duty viscous fan clutch guide: how it works, fault symptoms, diagnosis, correct replacement steps and safe technical values for trucks and buses.
Thermostat Failure Symptoms: Why Does the Engine Warm Up Slowly or Overheat?
Thermostat failure symptoms in heavy commercial vehicles, the causes of slow engine warm-up and overheating, and a guide to proper maintenance and timely r
Engine Overheating: Causes and Cooling System Failures
Causes of engine overheating in heavy commercial vehicles, warning signs of an overheating engine, and a maintenance guide against cooling system failures.
What Is an Oil Cooler? Failure Symptoms and Rupture
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
What Is a Radiator? Function, Core Blockage and Maintenance
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
What Is Antifreeze/Coolant? Red vs Green Coolant Difference, and When to Change It
A comprehensive cooling system guide for heavy commercial vehicles covering the role of antifreeze, the red vs green coolant difference, mixing warnings, a
