Truck Preventive Maintenance Checklist: PM A, B and C Intervals
How truck maintenance intervals combine mileage, engine hours and the calendar, plus the daily driver check and a system-by-system PM checklist.
Tagstechnical guide
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Articles
ABS Brake System: How It Works, Warning Light and Faults
Learn how the ABS brake system works on heavy trucks, why the warning light comes on, how to diagnose sensor faults, and the correct replacement steps.
Engine Overheating in Heavy-Duty Trucks: Causes & Fixes
Learn why heavy-duty truck engines overheat, how to read the gauge, step-by-step diagnosis, and how coolant, water pump, thermostat, and fan clutch fail.
Brake Caliper Mechanism: Camshaft, Bearings, and Return Spring
Inside the truck air disc brake caliper: how the camshaft, thrust bearings, return spring and automatic adjuster turn push-rod force into pad pressure.
Brake Caliper Rubber Repair Kit: Failure & Replacement Guide
Brake caliper rubber repair kits explained: dust boots, o-rings, seals, pin bushings, failure signs, step-by-step replacement and the right grease to use.
Caliper Tappet & Dust Boot: Function, Failure, Replacement
Caliper tappet and dust boot on truck air disc brakes: what happens when the boot tears, why tappets seize, and how to inspect, measure and replace them.
Brake Pad Wear Sensor: Function, Faults & Replacement Guide
Truck brake pad wear sensors: how the wire or electronic sensor triggers the warning lamp, common wiring faults, and how to measure and replace one.
Tachograph Explained: Driver Cards, Symbols, Rest Times
How tachographs work in trucks and buses: analogue, digital and smart types, driver and company cards, symbols, download rules and roadside checks.
DPF (Diesel Particulate Filter) Guide: Symptoms & Cleaning
Learn what a DPF is, how passive and active regeneration work, warning signs of clogging, and safe cleaning methods for heavy commercial diesel trucks.
ADR Guide: Vehicle & Driver Rules for Dangerous Goods Transport
Learn what ADR means for heavy trucks: hazard classes, required vehicle equipment, driver certification, orange plate labeling, and inspection documents.
Power Steering Hydraulic Line Guide: Leaks & Replacement
Power steering hydraulic lines on trucks and tractor units: pressure, return and suction line symptoms, fitting types, replacement and bleeding.
Fuel Water Separator Filter: Symptoms, Replacement & Care
Truck fuel water separator filter and housing: how it works, water sensor, drain valve, heater, fault symptoms, replacement, bleeding and maintenance.
