Hi All, whats the best way to stop head lamps misting up, i have removed the old air breathers as cracked and have sealed over the headlamp breathers with blue tack which works then over time it lets moisture back into head lamps, any ideas or kits still available to stop this issue, any help is great , cheers crossfire gang!

 

The best way to stop it is to not do what you did.

The cavity MUST BE ALLOWED TO VENT. There will be times they will produce condensation, you cannot stop that - what you must do, is allow them to vent. The factory-provided vents allow the cavity to breath, but also filter the vents to keep dust out. Unfortunately, the OEM vent kits are no longer in production (well, that is what I understand.) The kit was Mopar Number: 05174786AA

My car has the above kit on it, the previous owner put it on, so I'm good to go. I see condensation in them once in a while - a day or two later, it is gone. I don't know what we can do, other than invent our own filtered vents.

 

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Mine was all cracked and a couple dropped off. I used foam (like the kind in small engine air filters and high end electronic parts boxes). Just cut a small straight piece about 1/2 inch long and about 1/4 inch square (on its end) and stuff it into the holes. That'll keep the bugs and most of the splashed water out. Catch this moisture as close to when you saw it so it doesn't damage the inside of the lens (it can ruin them even if you use the forum suggestion to flush them out with that chemical I can't remember the name of). When they fog up I take a hair dryer and blow it through the assembly (remove both rubber covers at the bulbs and blow into one, also, a low setting doesn't heat it up too hot and the very dry heat produced gets most the moisture out. Cover them rubber covers immediately back (you know, where the bulbs go) and you should be OK for a while. Works for me!


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Whatever the solution you use you have to realize that the headlamp breathes, air is expelled when the bulbs heat it and air is sucked back in when the headlamp cools.