The difference between hydraulic block and mechatronic unit
Are they the same component? What is the role of each?
At Automatico we offer professional reconditioning for a wide range of hydraulic and mechatronic blocks, using specific technical procedures and specialized equipment, so that the automatic transmission operates at optimal parameters. The mechatronic unit solution is increasingly used by gearbox manufacturers, such as ZF, Mercedes and BorgWarner. Original parts from renowned manufacturers are used in the reconditioning process (e.g. Sonnax, ZF).
Common symptoms of faulty hydraulic / mechatronic blocks
These symptoms can occur in both dual-clutch and classic automatic gearboxes. Accurate diagnosis is the only way to correctly differentiate them and take appropriate measures.
Examples of hydraulic blocks that we recondition:
Automatic Services
Spare parts
Hydraulic blocks and mechatronic units regulate the pressure circuit and gear shift “decisions” depending on driving style, temperature and load. Failures in these components quickly lead to:
Proper reconditioning means restoring internal circuits, checking and replacing worn components and rigorous testing before assembly.
We talk with the driver to understand exactly how the transmission behaves: when the symptoms appear, under what conditions and for how long they have been manifesting. This information is fundamental to correctly guide the next steps.
We connect the tester to the transmission control unit and analyze the error codes, real-time parameters and the adaptations made by the system. This diagnosis shows us whether the hydraulic block or mechatronics is directly involved in the defect.
The block is completely disassembled, professionally cleaned and visually and technically checked. We identify worn or defective components: valves, valves, internal circuits, gaskets.
We replace worn parts, restore hydraulic and mechanical circuits and ensure adjustments according to manufacturer specifications. The process is adapted to each type of block.
The reconditioned block is tested for pressures, reaction times and adaptations. Only after all checks are passed, the unit is considered ready for assembly.
List of reconditioned hydraulic / mechatronic blocks
WARRANTY FOR RECONDITIONING HYDRAULIC OR MECHATRONIC BLOCKS
The warranty for a reconditioned hydraulic block is 1 year or 100,000km.
Automatic Services
Spare parts
for fault diagnosis* * Diagnostics are done by appointment only.
Workshop Bucharest
11 Preciziei Street, Hall 8, Sector 6
Inscut Precinct, Opposite Valrom
MONDAY - FRIDAY 9:00 - 17:30
SATURDAY - SUNDAY closed
Service
Bucharest
Workshop Brașov
Tarlungeni Commune,
16 Zizinului Street
MONDAY - FRIDAY 9:00 - 17:30
SATURDAY - SUNDAY closed
Service
Brașov
Have a question? Here you will find answers to the most frequently asked questions.
What types of hydraulic and mechatronic blocks do you recondition?
Defective hydraulic blocks can manifest themselves through sudden or delayed gear changes, failure to select a gear, jerky shifts, or the appearance of specific error codes during computer diagnostics.
How do you identify if the hydraulic block is faulty?
Defective hydraulic blocks can manifest themselves through sudden or delayed gear changes, failure to select a gear, jerky shifts, or the appearance of specific error codes during computer diagnostics.
Does the refurbished block come with a warranty?
Yes. Hydraulic blocks reconditioned through our service benefit from a 1-year or 100,000 km warranty, which gives you the assurance of correct operation after the intervention.
Our work process, step by step
We offer a wide range of spare parts for automatic gearboxes.
* Price and additional information via the contact form.
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