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Transmission accumulator repair kit 0AM DQ200 (in case of getting your old accumulator housing the price is 100$)

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  • Brand: MAKTRANS
  • Product Code: 0AM32506FF
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  • Sold: 214
  • Weight (kg): 1.1
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  • Availability: 211
$120.00
Main Specifications
Condition (used, new): Used and inspected
If you order more than 39 pcs - shipping time will be longer at few days
Stock Place: Availability: Price: Qty:
Poland 14 pcs. $120.00
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Slovakia 25 pcs. $120.00
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Ukraine 172 pcs. $120.00
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  • Product overview
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  • Questions - Answers (1)
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Transmission acccumulator cylinder repair of DSG 7 0AM (DQ200).

DSG DQ200 - 7-step robotic transmission, designed to transmit torque up to 250 Н*м. This model of automatic transmission is widely represented in the range of  concern VAG cars with an engine capacity of up to 2 liters::

  • - Audi A1, A3, Q3
  • - Seat Altea, Ibiza, Leon
  • - Skoda Fabia, Octavia, Superb
  • - VW Beetle, Golf, Jetta, Polo, Passat, Scirocco, Tiguan, Touran

The robotised transmission is controlled by  electrohydraulic unit - mechatronics. A feature of this automatic transmission model is the high value of the hydraulic fluid pressure on the actuators. Unlike valve bodies of conventional automatic transmissions, mechatronics has its own oil circuit separate from the lubrication circuit of the mechanical part of the transmission and this lets to avoid  contamination of the hydraulic fluid. For transmission of control forces mechatronics uses a small amount of oil - only 1.1 liters, while the control pressure reaches 60 Bar (approximately 60 Atmosphere). In a working car, such pressure is created by the oil pump, but after the ignition is turned off, the pressure is released. To quickly create pressure after turning on the ignition in mechatronics, a special unit is used - the pressure accumulator. The battery is made in the form of a gas cylinder, inside which the pressure is 50 Bar. Thus, after the ignition is switched on, the battery shows the initial pressure in the hydraulic system, after which the oil pump adjusts the required value depending on the ambient temperature.

Structurally, the pressure accumulator is installed in the mechatronics housing through a threaded connection and sealed with a rubber ring.

In case of a battery failure, it can be replaced with a new one.

High pressure in the system, cyclic loads and fatigue of the mechatronic body material eventually lead to the destruction of the pressure accumulator seat. In the beginning, this manifests itself in the form of a long "pumping" of the mechatronics hydraulic system after the ignition is switched on, as a result of the non-standard bleeding of the pressure through the microcracks in the housing. Further operation leads to errors due to oil pressure in mechatronics. At the same time, an external inspection does not always make it possible to determine the presence of a defect.

Over time, microcracks grow in size and lead to the destruction of the mechatronics seat, which, in combination with high pressure in the battery, resembles an explosion. The consequences of such destruction can be the cause of the failure of the entire mechatronics due to contamination of the oil circuit channels by the fragments of the housing parts.

To solve the problem  of microcracks enlarging and to prevent the consequences of global destruction of mechatronics, the specialists of Maktrans company developed a technology to strengthen the battery seat by using materials of increased strength. The battery seat is prepared for the installation of a reinforced glass by milling it on a numerically controlled machine, which provides the required level of precision in machining the surfaces of the workpiece.

The reinforced glass is made of steel and is stronger than the standard seat in the mechatronics housing (mechatronics housing material - aluminum alloy) by strength characteristics. The dimensions of the glass exactly repeat the original dimensions of the battery seat: the thread pitch, the diameter, the size of the holes for fixing and feeding the oil.

A reinforced glass is installed on the previously prepared place in the mechatronics housing, the design does not differ from the original  appearance.

The further assembly takes place in the normal mode using bolted connections according to the technological scheme of the mechatronics service.

After the repair, the mechatronic is connected to the mechanical part of the transmission and the car passes the test drive starting from ignition on and checking the initial pressure in the mechatronics and ending with the automatic transmission test in all operating modes.
The occurrence of pressure errors in mechatronics and a long start after switching on the ignition, accompanied by the sound of the oil pump, are the most common signs of problems with the pressure accumulator. Timely diagnosis and repair can prevent the development of a malfunction and significantly save on its elimination.

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Questions - Answers (1)
Shigekazu

Hello. I have a question about the product below. ①Product code: 0AM32506FF Is this item priced at $120 in the condition shown in the photo? ②Product code: STL-HS-0AM is $60, but do I need to purchase it separately? Is it 180 dollars for ①+②? Please answer. Car Support Kawase Co., Ltd. AT person Kawase

MAKTRANS MAKTRANS

Hello, 0AM32506FF contains steel accumulator housing, like on photo.