Hydraulic control module, removing and installing
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2009 Audi A4, 2008 Audi A4, 2007 Audi A4, 2006 Audi A4, and 2005 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
- Rules of cleanliness for working on automatic transmissions → Rules for cleanliness when working on transmission .
- General repair notes → Repair instructions .
- Always replace hydraulic control assembly if it has collected dirt or if it is defective.
- Remove end cover → End cover, removing and installing .
The corresponding description for removal and installation of the hydraulic control unit can be found in → 38 - AUTOMATIC TRANSMISSION - GEARS, HYDRAULIC CONTROLS .
CAUTION:
The hydraulic control assembly must not under any circumstances be supported on the long pump shaft on the back side or raised up. Otherwise, the blades inside the vane pump will be crushed and the pump damaged.