Originally Posted by
diagnosticator
I have tried baking the housings apart, the only success I had was destroying the housing.
May I ask how you went about it? There's a lot of how-to's running around on the internet ranging from pre-heat to 300 and then turn it off, to 215 and bake for 10+ minutes. Either way, sorry you didn't have as much luck in the area.
I personally had zero issues myself setting the oven to 225, leaving it on, and putting the headlight in for about 6 minutes. It can be a bit of a struggle getting an initial lip to pry on but after that it came apart *relatively* easily. Other things I would suggest to others as well is put the headlight in the oven with the housing facing away from the primary source of heat-ish (I have a gas stove, the softer plastic housing was facing towards the door). I can't verify if this helped me or not, but given I've had to take my headlights back apart 4 separate times and have done it this way, I would say it works pretty well.
On the other hand, I can also verify how stubborn German headlights can be. I attempted to do the retro into an 08 Jetta and it didn't matter how long we baked the lights at almost any temperature, they would not come apart. In all, the housings and all were still 100% fine though.
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