Truck Oil Pan Group: Faults, Replacement & Maintenance Guide
Heavy-duty truck oil pan guide: leak diagnosis, gasket and drain plug faults, step-by-step replacement, torque values, capacities and maintenance tips.
Heavy-Duty Truck Technical Blog: Air Brakes, Compressors, Parts & Maintenance
Expert resources for heavy-duty professionals: technical guides on air brake systems, compressors, transmission and engine parts, failure symptoms, maintenance intervals and OE cross-reference charts.
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Recent Posts
Bendix Cross Reference: VADEN Equivalent Part Numbers
BENDIX truck cross reference: the 48 most-searched BENDIX part numbers matched to VADEN ORIGINAL compressor, valve, air dryer and caliper equivalents.
DOT Air Brake Inspection Checklist: Pass CVSA Brake Safety Week 2026
CVSA Brake Safety Week 2026 checklist for trucks: leak-test limits, pushrod stroke, governor cut-in and cut-out, drums and rotors, plus common violations.
WABCO Cross Reference: VADEN Equivalent Part Numbers
WABCO truck cross reference: 290 of the most-searched WABCO part numbers matched to VADEN ORIGINAL equivalents in compressors, valves, dryers and calipers.
KNORR-BREMSE Cross Reference: VADEN Equivalent Part Numbers
Cross-reference chart matching 283 of the most-searched KNORR-BREMSE truck part numbers to VADEN ORIGINAL equivalents, the same families sold as BENDIX in the US.
MERCEDES BENZ Cross Reference: VADEN Equivalent Part Numbers
Cross-reference chart matching 280 of the most-searched MERCEDES-BENZ truck part numbers to VADEN ORIGINAL equivalents, linked to the Actros service guide.
MAN Cross Reference: VADEN Equivalent Part Numbers
MAN truck cross reference: 282 of the most-searched MAN part numbers matched to VADEN ORIGINAL equivalents in compressors, valves, air dryers and calipers.
DAF Cross Reference: VADEN Equivalent Part Numbers
DAF truck cross reference: 288 of the most-searched DAF part numbers matched to VADEN ORIGINAL equivalents in compressors, valves, air dryers and calipers.
VOLVO Cross Reference: VADEN Equivalent Part Numbers
VOLVO truck cross reference: 274 of the most-searched VOLVO part numbers matched to VADEN ORIGINAL equivalents in compressors, valves, dryers and calipers.
SCANIA Cross Reference: VADEN Equivalent Part Numbers
Cross-reference chart matching 282 of the most-searched SCANIA truck brake, dryer and compressor part numbers to VADEN ORIGINAL equivalents, plus an R-series link.
IVECO Cross Reference: VADEN Equivalent Part Numbers
IVECO truck cross reference: 284 of the most-searched IVECO part numbers matched to VADEN ORIGINAL equivalents in compressors, valves, dryers and calipers.
HALDEX Cross Reference: VADEN Equivalent Part Numbers
HALDEX cross reference for trucks: the 7 most-searched HALDEX part numbers matched to VADEN ORIGINAL compressor, valve, air dryer and caliper equivalents.
MERITOR Cross Reference: VADEN Equivalent Part Numbers
Cross-reference chart converting 269 of the most-searched MERITOR truck air disc brake caliper numbers into their VADEN ORIGINAL manufactured equivalents.
Brake Caliper Overhaul Kit: Guide Pins, Boots & Adjuster
Truck brake caliper overhaul: guide pin seizure, torn boots and locked adjusters — symptoms, diagnosis, fitting steps, torque values and kit selection.
Truck Air Compressor Overhaul Kit: Head, Valve Plate, Gasket
Compressor overhaul guide for heavy trucks: when to renew the cylinder head, valve plate and gaskets, fault diagnosis, torque values and fitting steps.
Exhaust / Engine Brake: Faults, Replacement & Maintenance Guide
Diagnose, replace and maintain the heavy truck exhaust/engine brake (cylinder, flap, valve). Symptoms, torque values, back-pressure and step-by-step fixes.
Compressor Piston-Ring & Connecting Rod: Repair Guide
Diagnose, replace and maintain the heavy truck compressor piston, rings and connecting rod. VADEN technical guide: symptoms, torque, clearances and fixes.
Clutch Central Unit (Lower/Upper Servo): Faults & Replacement
Diagnose, replace and maintain the heavy commercial vehicle clutch central unit (clutch booster & master cylinder): symptoms, torque values and field tips.
Engine Cylinder Head Group: Faults, Replacement & Maintenance
On a truck diesel a blown gasket, cracked head or coolant mixing into the oil starts here: how the cylinder head group works, diagnosis, replacement and care.
Air Brake Compressor: Faults, Replacement & Maintenance Guide
On a truck, a slow-filling reservoir or oil in the dryer often starts at the compressor's cut-in/cut-out cycle, not the compressor body: diagnosis and care.
Air Dryer: Faults, Replacement & Maintenance Guide
How a truck air dryer's charge and purge cycle keeps moisture and oil out of the brake system, and what a hissing purge valve or water in the tanks means.
Air Disc Brake Caliper: Faults, Replacement & Maintenance Guide
On truck and trailer axles a seized caliper, uneven pad wear or pulling to one side traces to the guide pins or cam mechanism: diagnosis, repair or replacement.
Brake Chamber: Faults, Replacement & Maintenance Guide
Service and spring brake chambers on trucks and trailers: diaphragm-leak and stroke diagnosis, why caging is mandatory before removal, and safe replacement.
Water Pump: Faults, Replacement & Maintenance Guide
How the heavy-duty water pump keeps engine temperature in check, what fluid colour at the weep hole reveals about a failing seal, and safe replacement.
