The lines have holes in them? Or are they just leaking at the connections? If just the connections, then all you need is two wrenches of the correct size. One on the permanent fixture nut like the radiator or the transmission, and the other wrench goes on the line. After removal, clean the threads, and apply some teflon tape and reassemble. tight is tight, and too tight is broke (stripped).
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This is called the rear main oil seal or the torque converter seal depending on what type of fluid is leaking out. To replace either seal you must remove the transmission from the car. You will need special tools and skills to properly install the seals or they will leak in very short order again. I suggest you have a trusted shop or the dealer do this repair.
hi this sounds like the oil seal that is in the gearbox/transmission is worn, which is oddly called drive shafttransmissionoil seal..there is no special name for it, unless you have the correct tools for the job this can be a bit of a long job, mostlydisconnecting the ball joints from the hub there are special tools to do that, but once you have the drive shaft out, its a simple case of pulling the old one out and tapping in the new one, make sure you have a bucket or something to catch the oil in when the drive shaft comes out, it makes allot of mess..its probably about a 2 to 3 hour job for an armature to do with the right tools...the seal is probably about 10 to 15 bucks may be cheaper...hope this helps
The o rings are built into the connector housing that the trans line fits into. They are not real expensive at a parts store, so you are better off just replacing the fittings themselves if they are leaking. However there is a special tool needed to remove the line from the fitting. without it you will not be able to get them apart. The tool is not expensive either.
VW automatic transmissions require a special filling tool to fill the transmissions using gravity. They also never recommend a fluid or filter replacement unless a problem is evident. (a leak or shifting problem). They also use a special brown synthec oil that i believe is only available at VW. My advice is to go to a Volkswagen dealer. I'll still tell you how it works. To check the level the vehicle transmission must be cold (not driven at least 8-9 hrs). With a scanner plugged to check fluid temperature in the transmission. RFemove the red cap on the little tube. It's clipped. Once the red cap is removed the black cap can be pulled out. This is the fill tube. This is where the fluid is added using the fill tool. Start the car and remove the 5mm allen screw which looks like a drain. Inside this is a little tube that goes upwards like 3 cm in the pan. (when the oil heats up it expands and leaks out here) With the car running in park, if oil runs out of the pan hole before 35 deg. c there is too much. Let it drain. If no oil leaks at 35 deg. c it's because there is not enough and oil has to be added while the temperature is going up. At 35-40 deg. c oil should spill out ,reinstall the 5 mm allen with the seal, reinstall the filler plug and red cap lock. If the oil is over 26 deg. c before starting your better off waiting till it cools off to have time to add or let drain depending. Strange procedure but the right one.
billbohman: Unless GMC has had some change I am not aware of and that has not been published in service manuals for the repair of these units, the procedures are the same as any seal replacement and require no special tool. There are some universal seal installation tools which I would venture the majority of techs don't have because they substitute other tools in their place most of the time. Most techs will have a special tool designed from removing seals. However, the seal can be removed without it.
Just use a little common sense when removing a seal. Don't damage the casing.