DAF XF Maintenance Guide: Generations, Engines and Parts Selection
DAF XF truck maintenance guide: generations from the 95XF to the new XF, MX-11 vs MX-13 engines, air brake care and ordering the right part first time.
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
Volvo FH Maintenance Guide: Generations, Engines and Parts Selection
Volvo FH truck maintenance guide: generations from the FH12 to today, D11-D13-D16 engines, I-Shift, VEB engine brake and choosing the right spare parts.
Scania R/S Series Maintenance Guide: Generations, Engines and Parts Selection
Scania R/S truck maintenance guide: PGR and Next Generation cabs, DC09/DC13/DC16 engines, Opticruise, retarder, service intervals and parts selection.
Mercedes-Benz Actros Maintenance Guide: Generations, Engines and Parts Selection
Mercedes-Benz Actros truck maintenance guide: MP1-MP5 generations, engine families and emission classes, service intervals, air brakes and parts selection.
Relay Valve & ABS Relay Valve: Faults, Replacement & Care
Heavy commercial vehicle relay valve and ABS relay valve guide: how it works, fault symptoms, diagnosis, replacement steps, torque values and maintenance tips.
Transmission Shift Cylinders: Failure, Replacement & Care
On a truck gearbox, gears that grind, refuse to engage or jump out often trace to a leaking pneumatic shift cylinder, not the transmission: diagnosis and repair.
Engine Valve Train & Adjustment Shim: Faults, Replacement, Care
Power loss, rough idle or falling compression on a truck diesel often comes down to valve clearance and worn valve-train parts: diagnosis, shims, replacement.
Compressor Valve & Unloader: Fault, Replacement & Care Guide
Low air pressure on a truck, or a compressor that never cuts out, usually means worn intake and discharge reed valves or a stuck unloader: how to fix it.
Compressor Crankshaft & Drive Assembly: Failure & Replacement Guide
Diagnose, replace, and maintain the air compressor crankshaft and drive assembly on heavy commercial vehicles: fault symptoms, torque values, and service tips.
Pressure Limiting Valve: Faults, Replacement & Maintenance
On a truck, a slow-releasing parking brake or overworked suspension bellows often means a drifted pressure limiting valve: set-pressure check and replacement.
Four-Circuit Protection Valve: Faults, Diagnosis & Replacement
A truck losing air with no leak in sight often has a four-circuit protection valve isolating a burst line: how it prioritises brakes, diagnosis, replacement.
ALB Load Sensing Valve: Faults, Replacement & Setting Guide
Rear axles locking when the truck runs empty, or longer stopping distances when loaded, point to the ALB load-sensing valve: diagnosis and setting.
Air Processing Unit (APU/EAC): Faults, Replacement & Care
Air processing unit (APU/EAC) guide for trucks: how it works, fault symptoms, pressure diagnosis, replacement steps, torque values and cartridge maintenance.
Heavy-Duty Truck Gearbox: Faults, Replacement & Maintenance
Heavy-duty truck gearbox guide: fault symptoms, diagnosis, step-by-step replacement, torque values and maintenance intervals from the VADEN technical team.
Oil Cooler: Failure Symptoms, Replacement & Maintenance Guide
Engine and transmission oil cooler guide for heavy trucks: failure symptoms, internal leak diagnosis, pressure test, replacement steps and torque values.
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.
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.
