I changed the headlight bulbs a while ago but now the headlights go out but if I get out of the car and press on the headlight assembly and it comes back on. then a few days later it goes out again. I press on it and it comes back on.
I have this same issue. I don't have a solution, however, I will say this. In the headlight assembly, there are two things that you must do to release the entire assembly for it to slide out. First is a little hex stud that is just inside the hood. You turn it one way to unlock it, and the assembly slides out a bit. Then you have to press on a lever, and pull out the entire assembly. When the whole thing goes back in (after replacing the bulb) the assembly is pushed into the wiring harness. In order to keep the assembly in good contact with the wiring harness, you have to lock the hex stud. However, it is VERY tricky to get the hex stud re-locked. If you turn the opposite way, you can go too far and it will unlock again. If you shine a light into that area, you will see below the assembly there is a little metal piece that gets pushed out when you turn the hex stud. Keep playing with the hex stud until it's in the correct position, and that should keep the assembly from sliding forward. If it doesn't stay (ie you get it to lock but it giggles free), you might have to have the assembly replaced (~$300). One of my headlights is really temperamental, the other is better behaved. Unfortunately, I'm probably looking at replacing the headlight assembly. After a year of battling it!!! :(
Check for condensation around the wiring and also check for loose or brittle wires. Also check to make sure there are no fingerprints on the bulb. That can cause a problem sometimes. If all else fails replace the bulb.
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Turn the headlight switch on and inspect the headlights. Make sure to check both low- and high-beam lights, and then note the position of the bulb in the headlight assembly. Low-beams are in the top cavity of the assembly and high-beams are in the lower cavity.
2Turn off the headlight switch and then remove the keys from the ignition.
Open the hood and locate the seam to the headlight assembly and the side fender. Locate the headlight assembly release lever and push in on it slightly to unlock it and then pull it all the way up until it stops.
4Place a blanket or pillow on the ground in front of the headlight assembly. Push the assembly outward from behind with one hand while being ready to catch the assembly with the other. The New Beetles use an adhesive sealant to protect the back of the headlights from exposure to moisture, so you'll have to give the assembly a push from behind.
5Pull the wire harness plugs off from both the high- and low-beam blades of the respective bulbs.
6Place the assembly on the blanket or pillow. Release the wire clip to the faulty headlight and then remove the headlight bulb.
7Open the package of the new H1 bulb replacement without touching the glass portion of the bulb with your bare skin. Oils in human skin will damage the bulb. Handle it only by the metal base of the bulb insert.
8Insert the new bulb in the appropriate headlight-assembly cavity and reattach the bulb retaining clip to lock the bulb in place.
9Lift the assembly up and plug the wire harness plugs back into the respective blades of the bulbs.
10Push the headlight assembly into its cavity, but before locking it in place, check the lights by turning on the headlight switch.
At the fuse panel, the left headlight low beam is protected by 10A fuse 21 and the high beam is protected by 10A fuse 19. The right headlight low beam is protected by 10A fuse 20 and the high beam is protected by 5A fuse 3.
This is based on my 2001 Beetle, so hopefully they didn't make it any more complicated by the 2006 model year.
Open the hood and look at the inside of the headlight housing. Going from the back of the housing toward the front, there's a metal clip, then a plastic lever, then a little rectangular button with dots on it. These are all right next to each other. Pop off the metal clip, press down on the little rectangular button, then pull up on the plastic lever. It's kind of like a childproof pill bottle cap, I guess. Once you've done all those maneuvers, the headlight housing should slide out the front. Then you can unplug the wires and replace the whole unit, or open up the unit and replace just the bulb.
Since you're working on the driver's side, you'll also have the added joy of trying to work around the battery compartment. You may have to take the battery cover off to get enough room.
the ring that holds the headlight bulb in gets twisted to align the tabs so the bulb can be pulled out. the ring should stay on the headlight but if it comes off just line it back up and twist it back on with the new bulb