Measured on a TÜV-compliant brake tester.
Multi-brand fault diagnosis with Jaltest CV.
Testing, servicing and repair with original equipment.
Valve checks, repair and replacement.
Trucks, tractor units, buses, light commercial vehicles and cars.
Vehicle X-ray
Choose a vehicle type and tap the points.
Tractor front axles are mostly disc-braked.
Brake testingWithout cartridge changes, water reaches the valves.
Valve repairLeaking coupling head seals are common.
Tractor unit brake testPad wear and disc cracks show up here.
Disc or drum?Distributes trailer braking according to load.
ABS / EBS serviceThe first place to look for air leaks.
Brake testing
Left–right imbalance makes the truck pull when braking.
Truck brake testWithout cartridge changes, water collects in the valves.
Valve repairIf one circuit leaks, the others keep working.
Valve repairUndrained water damages the valves.
Pre-inspection checklistThese axles do most of the braking.
Disc or drum?A torn diaphragm means leaks and weak braking.
Brake testing
Checked first at inspection: efficiency and balance.
Bus brake testReplaced in pairs on each axle.
Air spring brandsDelays and leaks usually start here.
Valve repairThe brake circuit has its own tank.
Pre-inspection checklistA leaking bellows upsets brake balance.
Suspension serviceA sensor fault shows as the ABS light.
ABS / EBS service
Red supply, yellow control; a leaking seal delays braking.
Valve repairOnce uncoupled, the parking brake runs on this air.
Pre-inspection checklistAdjusts brake force to the load.
ABS / EBS serviceCheck diaphragms and springs before inspection.
Semi-trailer brake testUneven braking increases the rollover risk.
Disc or drum?
The core of the twice-yearly inspection.
ADR fleet testingADR fleets prefer original parts.
Valve repairA leak delays the tank trailer brakes.
Tractor unit brake testCarries the braking load of a laden tanker.
Brake testingKeeps braking balanced with a surging liquid load.
ABS / EBS serviceEach axle is reported separately at inspection.
ADR fleet testing
A hard pedal or long pedal travel starts here.
Brake testingABS light on? The system needs diagnosing.
ABS serviceVibration comes from the disc, noise from the pads.
Disc or drum?Corrosion and leaks cause problems at inspection.
Pre-inspection checklistLeft–right difference and handbrake are measured here.
Brake testing