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• Place the transmission lever in neutral.
• Set the parking brake.
• Place a memory keeper device in the cigar lighter of the vehicle to retain the engine management settings in the memory of the ECM.
• Using ramps or a lifting device, raise the vehicle to a safe working height.
• To access the fluid filter, the cranking battery has to be removed.
• Using hose clamp pliers, remove the intake air hose and harness to MAF sensor. (Figure 25-1).

• Remove the air filter box. Figure 25-2 shows the air filter box removed in preparation for installation of new filter.

• Remove the negative cable attached to to the battery post. The cable is attached by a spring clamp. The TDI Guy uses a pry bar and large flat-blade screwdriver to remove the negative cable. Figure 25-3 shows the cable being removed from the cranking battery on the 2006 Jetta TDI.

• The positive battery cable is removed by following the above step. Remove the cranking battery and box (Figure 25-4)

• Remove the bolts to the battery tray to access the fluid filter (Figure 25-5). Remove battery and set aside.

• Using a 22mm socket and 1/2-inch square drive ratchet or 12-inch crescent wrench remove the cap to transmission filter housing (Figure 25-6.

• Remove the old filter and discard. Figure 25-7 shows the filter removed from the filter housing.

• Install new fluid filter. Install cap and torque to 18-ftlb.
• Using a 1/2-inch square drive 14mm hex bit socket and 1/2-inch square drive breaker bar, remove the bolt to the transmission pan.
• Drain the dirty transmission fluid in a oil or transmission drain pan.
• The transmission requires six (6) quarts of fluid.
• There are two (2) methods that technician's use to fill the DSG transmission. Fluid can be added to the filter housing. Using this method is time consuming. The fluid is slow in making its way to the sump pan.
• Professional technician's use a special fill hose and adapter to fill the sump pan. It is not available from VW. The adapter screws into the sump pan fill and drain hole (Figure 25-8). The fill hose and adapter can be ordered from World Impex.  

• The opposite end of the fill hose fitting is attached to the new fluid container and inverted.
• Figure 25-9 shows the TDI Guy squeezing an inverted fluid container to refill the transmission. This action pushes the new fluid into the sump pan from the bottom of vehicle.

• Lifting device or ramps
• Chock blocks
• Memory keeper device
• Hose clamp pliers
• Pry bar
• 1/2-inch  square drive breaker bar
• 28mm 1/2-inch square drive socket
• 1/2-inch square drive ratchet
• 12-inch crescent wrench
• Larger flat-blade screwdriver
• 14mm hex bit 3/8-inch square drive socket
• Drain pan
• DSG transmission fill hose and adapter
• DSG transmission fluid filter
• Six (6) quarts of transmission fluid

• Remove adapter and fill hose.
• Reinstall drain plug.
• Remove drain pan from underneath vehicle.
• Remove ramps or lifting device from vehicle.
• Reinstall battery tray that was previously removed.
• Reinstall battery box.
• Reinstall cranking battery.
• Install air filter housing.
• Remove ramps or lifting device.
• Crank engine and check for leaks.
• Test drive vehicle
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