Condensation in LED headlight Normal?
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Fleet Mechanic
Joined: Apr 2018
Posts: 1,502
Likes: 165
Condensation in LED headlight Normal?
Is this normal? It only was in my right light and did go away - but given what these lights cost I want to keep an eye on anything weird while still under warranty.
This is freshly washed. All haze you see is on the inside.
Lead Driver
Joined: Dec 2016
Posts: 5,650
Likes: 243
From: GA
Nothing to worry about.....completely normal.
Postmaster
Joined: Jan 2005
Posts: 4,424
Likes: 12
From: BC Canada
Damp air when warm, condensation inside when the temp goes down is normal. As long as there are no cracks or breaks, normal. There are rear ward facing breathing holes which allow new warm dryer air to pull away the condensation.
Cargo Master
Joined: Feb 2017
Posts: 2,428
Likes: 728
From: Wisconsin
True, condensation is not normal, if it gets worse it can puddle and really start a mess internally. The vent holes in the rear are for thermal expansion (to let hotter interior air out).
Laughing Gas
Joined: Aug 2017
Posts: 802
Likes: 197
From: Tupelo, MS
Totally normal. The owner's manual discusses this in great detail. The lights both front and rear are vented for this purpose. Now if it becomes full of water and running/streaking down the lights or below them then that is NOT normal.
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Posting Guru
Joined: Jan 2011
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Condensation in the Exterior Front Lamps and Rear Lamps
Exterior front lamps and rear lamps have vents to accommodate normal changes in air pressure.
Condensation can be a natural by-product of this design. When moist air enters the lamp assembly through the vents, there is a possibility that condensation can occur when the temperature is cold. When normal condensation occurs, a fine mist can form on the interior of the lens. The fine mist eventually clears and exits through the vents during normal operation.
Clearing time may take as long as 48 hours under dry weather conditions.
Examples of acceptable condensation are:
Exterior front lamps and rear lamps have vents to accommodate normal changes in air pressure.
Condensation can be a natural by-product of this design. When moist air enters the lamp assembly through the vents, there is a possibility that condensation can occur when the temperature is cold. When normal condensation occurs, a fine mist can form on the interior of the lens. The fine mist eventually clears and exits through the vents during normal operation.
Clearing time may take as long as 48 hours under dry weather conditions.
Examples of acceptable condensation are:
- The presence of a fine mist (no streaks, drip marks or large droplets).
- A fine mist covers less than 50% of the lens.
- A water puddle inside the lamp.
- Streaks, drip marks or large droplets present on the interior of the lens.
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Posting Guru
Joined: Jan 2011
Posts: 1,352
Likes: 4
YES it is!!
Cargo Master
Joined: Feb 2017
Posts: 2,428
Likes: 728
From: Wisconsin
LOL, settle down...........my owners manual also says the 6.7 takes 15 qts. of oil............but its actually 13 qts. And if I saw condensation in my headlights of my $70k truck, I too would be a bit concerned, but since Ford says its normal well then fine..........its normal (lol)
Laughing Gas
Joined: Aug 2017
Posts: 802
Likes: 197
From: Tupelo, MS
Jim I've already seen it in my headlights a couple of times. To be fair I've owned the truck since September and we have had record rainfall since then as well as lots of damp high humidity days which doesn't help either. I was ready to take it in until I found the manual info above. Mine has cleared up after a few hours and I have not detected any degradation of light output either thankfully.
Laughing Gas
Joined: Jun 2018
Posts: 939
Likes: 8
From: DFW
Well no not the amount shown above actually. There may be a small amount of condensation due to temperature differences between the light and ambient especially in high humidity which disappears quickly or Maybe ingression of moisture from a faulty seal. The amount of condensation shown above will cause corrosion of any and all electrical connections as well as leave deposits over time on the inside of the surfaces of the light.
That much moisture is not normal do not let anyone "blow smoke" up your tail pipe.
That much moisture is not normal do not let anyone "blow smoke" up your tail pipe.
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