SOURCE: AC is not blowing cold air. How do I add freon?
What you will be looking for (in your engine compartment) looks almost like a large valve stem that you would see on a tire. It will probably have some kind of plastic cap on it.
It shouldn't be that difficult to find. You may want to search for an engine compartment diagram for your make/model/year vehicle.
SOURCE: how to add trans fluid
Checking the transmission fluid in your Volkswagen isn't as simple as it used to be. To check the transmission fluid level requires your vehicle to be on a lift that it can be set level on. With the engine running and transmission warm, a plug has to be removed from the bottom of the transmission pan. This plug is at the base of a short stand-pipe (tube) inside the transmission oil pan. With the plug removed a small amount of oil should spill out (what is trapped in the stand-pipe) and if the fluid is at the correct it will continue to drip. If that is the case the transmission fluid is at the correct level. If all that comes out is what is trapped in the stand-pipe then the fluid level could be low. To add fluid to the transmission requires removal of the fill plug that is located on the front left upper corner by the oil pan. Oil is added at that point until oil starts running out or dripping from the stand-pipe. When replacing the fill plug you also need a replacement lock for the plug from Volkswagen. Many of today's vehicles are equipped with sealed transmissions that require specialized procedures, equipment and parts to check the transmission fluid level. Sorry for the bad or good news. This way just make sure that the person services the transmission to keep the warranty valid.
SOURCE: How hard is it to add freon to the AC system? My
It's very easy. You can purchase a kit at wal-mart or your local parts store. It will come with a gauge and a can of freon and oil. The system is setup to prevent you hooking up to the high port valve. A lot of people worry about this. You have 2 valves, one small and one little bigger. You want to start the engine and turn on your a/c. Hook the gauge up and see where the gauge needle goes. It's easy to read and will tell you if the system is low or overcharged. If the system is overcharged before you begin it needs to be checked out by a shop. If you need to add, screw the can onto the adapter, with the gauge still hooked up. Once you have the can on tight, screw the t-handle to pierce the can and hold can in up side down position. Make sure when yo pierce the can you screw the t-handle completely down and slowly turn it back open to let the freon in until the gauge reads full, or whatever the gauge may state. After it's full close the valve off at the t-handle and disconnect from your a/c unit.
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