Oil Filter Cap and Housing: Leaks, Cracks and Seal Replacement
Truck engine oil filter cap and housing: why plastic caps crack, O-ring leak causes, bypass valve faults, and correct torque and seal replacement steps.
Engine
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Articles
Piston Rings: Oil Consumption, Compression Loss and Replacement
Ring-related oil consumption and compression loss in truck diesel engines: how rings seal, blow-by and leak-down tests, ring gap and replacement.
Intake Manifold and Intake Pipe: Faults, Diagnosis, Repair
How the intake manifold and charge air pipe work on truck diesel engines, how to spot boost leaks, run a pressure test and fit them leak free.
Rocker Arm & Shaft Set: Faults, Replacement and Maintenance
Learn how a heavy truck rocker arm and shaft set works, how to spot bushing wear, measure valve clearance and replace the assembly step by step.
EGR Valve & EGR Flap: Faults, Replacement and Maintenance
How the EGR valve and EGR flap work on truck diesel engines, how to spot soot-related faults, diagnose them, replace them and extend service life.
Flywheel Housing: Faults, Replacement & Maintenance Guide
Flywheel housing (bell housing) on heavy trucks: failure symptoms, dial indicator runout checks, step-by-step replacement, torque values and maintenance.
Truck Steering Gear Box: Faults, Replacement & Maintenance
Heavy truck steering gear box guide: fault symptoms, pressure testing, replacement steps, torque values and maintenance tips from the VADEN technical team.
Engine Piston & Liner: Faults, Replacement and Maintenance
Piston and liner guide for heavy truck diesel engines: fault symptoms, liner protrusion and shim selection, step-by-step replacement and maintenance.
Engine Oil Filter: Faults, Diagnosis, Replacement Guide
Heavy-duty engine oil filter guide: spin-on vs cartridge types, bypass and anti-drainback valve faults, diagnosis, replacement steps and torque values.
Camshaft: Fault Symptoms, Diagnosis & Replacement Guide
Camshaft faults, symptoms, diagnosis and replacement steps for heavy truck diesel engines, with reference torque and valve clearance values.
Turbocharger: Symptoms, Diagnosis, Replacement & Maintenance
How truck turbochargers work, early failure signs, measuring boost and shaft play, and replacing CHRA units correctly on heavy commercial diesel engines.
Engine Oil Pump: Faults, Diagnosis, Replacement Guide
Engine oil pump symptoms, diagnosis, replacement steps, torque specs and OE-matched VADEN ORIGINAL parts for heavy commercial diesel trucks.
