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Economy and safety are top priorities when transporting freight. Complex and varied topography, dense traffic, and cost and time constraints push drivers and vehicles to their limits. In this context, not only the engine but also the braking system plays a key role.
An intarder integrated into the transmission is a modern answer to these challenges: it ensures wear-resistant braking without fading, reduces the load on the service brakes by up to 90 percent, thereby reducing maintenance costs and brake dust emissions. This makes the intarder the best choice – not only for long-haul transport but also anywhere heavy loads need to be moved safely and economically.
For safe braking
A truck’s braking system must be at least as powerful as the engine. The retarder integrated into the transmission reduces the load on the service brakes by up to 90 percent.
How do I know if the Intarder (retard) is not working properly?
The following signs of retarder failure may appear due to system failures:
- An Intarder error code is displayed
- The retarder does not work
- The downhill speed support does not work
- The coolant gets hot
- Reduced braking torque
- The Intarder (retard) starts braking when the accelerator pedal is pressed
What could be the causes of the malfunction?
Problems that occur when the DAF retarder malfunctions, even when the The following:
- Speed sensor defective
- CAN bus failure (open or possibly shorted)
- Temperature sensor failure
- Coolant level low
- Cooling fan failure
- Wiring failure
- EST-52 (42) control unit defective
What can you do yourself in this situation?
When the coolant heats up, you should first check that the level is sufficient.
Check the electrical connectors for their condition.
Even if an external inspection yields satisfactory results, to further determine the cause, it is, of course, best to have the inspection and repairs performed by specialists.
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