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[OmegaAnglesey]

One of my headlamps has what looks to be a bad case of condensation under the lamp lense which has just happened all of a sudden one morning. Just wondering what's the best option replace it or clean it / try dry it out ? I've no idea how this could have happened  .... in case it helps it's a 2002 GLS 2.2i 16v Petrol Auto and the problem lamp is the Passenger side lamp ... any advice would be great as I'm not sure what to do. Was thinking if the dampness got on the bulbs when driving at night etc.. ( I'll also try and upload a pic of the lamp in question ) Thanks 

[pauls]

Hello, I had this last year and was told to just run around with the lights on for a day and it will go away. It did and has not come back so far.

[05omegav6]

Was going to write an essay based on the title but having read the post, I'll say this...

What he said

[OmegaAnglesey]

Hello, I had this last year and was told to just run around with the lights on for a day and it will go away. It did and has not come back so far.

will give that a try ( one question did you have main bean on during the day or just dip ? )
 Thanks 

[pauls]

Main beam

[OmegaAnglesey]

Here's 2 picture's after a few miles with main beam on.




As you can see below the indicator part of the lamp is the worst area where the main beam doesn't heat up 

[OmegaAnglesey]

I should have taken a picture before to show the difference     

[05omegav6]

Ok, back to the essay

There's 3 bolts to undo, all 8mm, two on top and one underneath. The underneath one is accessed by removing the trim below the light unit... plastic rivet at the radiator end then swing outward and lift away

If xenon, undo the battery, wait half hour then remove and unplug, if not just unplug as you lift the unit out

Overnight in the airing cupboard should do it. Just make sure that all the covers are fitted right on the back of the unit, (indicator included).

HTH, Al

[OmegaAnglesey]

Ok, back to the essay

There's 3 bolts to undo, all 8mm, two on top and one underneath. The underneath one is accessed by removing the trim below the light unit... plastic rivet at the radiator end then swing outward and lift away

If xenon, undo the battery, wait half hour then remove and unplug, if not just unplug as you lift the unit out

Overnight in the airing cupboard should do it. Just make sure that all the covers are fitted right on the back of the unit, (indicator included).

HTH, Al

Thanks Al   
They are just the standard lamps not the xenon so will dig right in asap. Might use a hair dryer once off
( Please Note: the hair dryer isn't mine    )

[duggs]

Hair dryer doesn't work...I tried and failed. In truth it made the condensation a lot worse.

No !   Between your original post and the pictures seems to have been a matter of hours.

You'll need to drive with your lights on for a day or so to eradicate the condensation completely.

Dipped beam most of the time obviously and full beam when you don't run the risk of blinding the heck out of oncoming traffic.

Give it a day or so and it will go...unlikely to return.

Had the same problem...did the above and it hasn't come back in well over a year.

[freecall666]

mine did that cause the vent in the head light got blocked up just tuck the rubber seal of the back of the light bulb fitting and left facing the sun did the job, the vent is at the bottom of the light  in engine bay bottom  right on pas side and left on drivers side, found a few leave blocking up mine but easy cleand out by hand.