All very well covered here. http://www.taligentx.com/passat/maintenance/atfchange/ VAG made it really easy.......not! Enjoy! manuals have a side plug, fill to the rim... automatics have a dipstick ...check while running in park... late model VW's need a special tool.. ...everyone should have a manual for their vehicle, and the local library should have a Shop manual available to make copies from in the Reference section...good luck:) Answer The information about the automatics having a dipstick is false. At least for the 1.8 TSFI I-4 20V engine. I dont know about the 2.8 V6. For the 1.8's though you will need to raise the vehicle up on four jackstands or with hoist and warm the engine to between 95 and 135 degrees F. the on top of the transaxle will be a plug that needs to be removed. First start the engine and move the gear shifter through all the gears ending in park. once you have done this remove the check/fill plug, if the fluid merely drips out it is fine, if it comes out faster than it is too full allow it to go until it is only dripping. if no fluid comes out then fluid will need to be added.
you don't its a sealed system
Fluid is added down the dipstick tube.
You have to fill the trans fluid through the dipstick tube.
The fluid goes down the dipstick tube.
You fill transmission with fluid through the transmission fluid dipstic tube
You need a scan tool to check the automatic transmission fluid on this car. The scan tool is needed to know the temperature of the fluid which must be close to 40 degrees celsius. At that point you remove the fill plug in the bottom of the transmission pan and fill with fluid until fluid drains back out. Use only genuine VW fluid part number G 052162A2 or you will damage the transmission. If you fill with fluid while tranny is to cool you will over fill and damage the transmission. If you fill with fluid when the tranny is to hot you will underfill and run a slight risk of damaging the transmission. The fill plug and drain plug are next to each other so make sure you are removing the right one.
These transmissions do not have a dipstick, the fluid level is checked by removing a fill plug on the case, similar to a manual transmission.
on an automatic you have to fill through the dipstick tube. on a manual you have to fill through the fill plug on the side of the case.
There is a fill bolt on the transmission assembly under the car. It should be located on near the top of the transmission but it is easily accessable with even a floor jack or ramps.
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You'll need 6 quarts, or 4 quarts if you're not dropping the pan and changing the filter.